Class 9th

Assertion-reason based questions:

Q1 Assertion (A): After the Forest Act was enacted in 1865, it was amended twice, once in 1878 and then in 1927. 

Reason (R): The 1878 Act divided forests into three categories: reserved, protected and village forests.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans A. Both A and R are true and R is the correct explanation of A.

Q2 Assertion (A): The Forest Act meant severe hardship for villagers across the country. 

Reason (R): After the Act, all their everyday practices – cutting wood for their houses, grazing their cattle, collecting fruits and roots, hunting and fishing – became legal.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans C. A is true but R is false. 

Q3 Assertion (A): In shifting cultivation, the whole forest was cut and burnt in rotation. 

Reason (R): Seeds are sown in the ashes after the first monsoon rains, and the crop is harvested by October-November.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans D. A is false but R is true.

Q4 Assertion (A): When a forest was burnt, there was the added danger of the flames spreading and burning valuable timber. 

Reason (R): Shifting cultivation also made it easier for the government to calculate taxes.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans C. A is true but R is false.

Q5 Assertion (A): In India, hunting of tigers and other animals had been part of the culture of the court and nobility for centuries. 

Reason (R): But under colonial rule the scale of hunting decreased to such an extent that various species became almost extinct.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans C. A is true but R is false.

Q6 Assertion (A): The Forest Department made new laws and rules to protect the new forests it was planting. 

Reason (R): Through these rules, it tried to ensure that the old forests did not vanish completely but were cut more carefully.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans A. Both A and R are true and R is the correct explanation of A.

In the questions given below, there are two Statements marked as Assertion (A) and Reason (R). Read the Statements and Choose the correct option: Options are:
(A) Both (A) and (R) are true and (R) is the correct explanation of (A).
(B) Both (A) and (R) are true but (R) is not the correct explanation of (A).
(C) (A) is correct but (R) is wrong.
(D) (A) is wrong but (R) is correct.

Q.7. Assertion (A): In 1890s, Surontiko Samin a Teak Forest Villager began questioning state ownership of the forest.
Reason (R): He agreed that the state had created the wind, water, earth and wood, so it could own it.

➤ Show AnswerAnswer: (C)

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Q.8. Assertion (A): The spread of Railway from the 1850s created a new demand.
Reason (R): Railway were essential for Colonial trade and for the Movement of Imperial troops.

➤ Show AnswerAnswer: (A)

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Q.9. Assertion (A): The Colonial Power in Indonesia were the British.
Reason (R): Like the British, the Dutch Wanted timber from Java to build ships.

➤ Show AnswerAnswer: (D)

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Q.10. Assertion (A): Forest Management had a great impact on shifting cultivators.
Reason (R): This type of cultivation also made difficult for the government to calculate taxes.

➤ Show AnswerAnswer: (B)

In the questions given below, there are two Statements marked as Assertion (A) and Reason (R). Read the Statements and Choose the correct option: Options are:
(A) Both (A) and (R) are true and (R) is the correct explanation of (A).
(B) Both (A) and (R) are true but (R) is not the correct explanation of (A).
(C) (A) is correct but (R) is wrong.
(D) (A) is wrong but (R) is correct.

Q.1. Assertion (A): Many saw the World through Nazi eyes, and spoke their mind in Nazi language.
Reason (R): But not every German was a Nazi

.➤ Show AnswerAnswer: (B)

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Q.2. Assertion (A): Nazism was not one or two isolated acts.
Reason (R): It was a system, a structure of ideas about the world and Politics.

➤ Show AnswerAnswer: (A)

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Q.3. Assertion (A): On 3rd March, 1933 the famous Enabling Act was passed.
Reason (R): This Act established Democracy in Germany.

➤ Show AnswerAnswer: (C)

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Q.4. Assertion (A): In June 1943, Germany surrendered to the Allies.
Reason (R): Hitler his Propaganda Minister Goebbels and his entire family committed suicide collectively in his Berlin Bunker in April.

➤ Show AnswerAnswer: (D)

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Assertion-reason based questions:

Q1 Assertion (A): Nazism became a mass movement only after the Great Depression. 

Reason (R): The Great Depression created heavy discontent among the people.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans A. Both A and R are true and R is the correct explanation of A. 

The onset of the Great Economic Depression of 1929 helped the Nazi party to mobilise popular support. After the deep crisis of the Great Depression, the party promised to improve the economic conditions of Germany. The people who were dissatisfied with the Weimar Republic then laid their faith in the promises made by the Nazi party.

Q2 Assertion (A): 17-18 million Jews were brutally murdered by the Nazis. 

Reason (R): The Nazis were led by Adolf Hitler who propagated anti-semitism and was on a mission of ‘ethnic cleansing’.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans A. Both A and R are true and R is the correct explanation of A. 

Hitler came to power with the ideology of anti-semitism. He had a pseudo-scientific view of constructing an ‘Aryan nation’. The Jews were the worst sufferers in Hitler’s regime. Hitler stereotyped them as the killers of Christ and usurers. They were pushed to live in marked areas called Ghettos. The Nazis dehumanised Jews by comparing them to vermins, parasites, pests, lice, and rats. The Nazis also propagated that the ethnic cleansing of Jews would liberate Germany. Hitler brutally committed mass killings through various techniques such as putting the Jews in gas chambers and disinfection areas.

Q3 Assertion (A): Nazi ideas were spread only through newspapers. 

Reason (R): The Nazis made equal efforts to appeal to all the different sections of the population.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans D. A is false but R is true.

Q4 Assertion (A): Hitler pulled out of League of Nations in 1943, reoccupied the Rhineland in 1944. 

Reason (R): Schacht had advised Hitler against investing hugely in rearmament as the state will run on deficit financing.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans D. A is false but R is true.

Q5 Assertion (A): The First World War a deep imprint on European society and polity. 

Reason (R): Soldiers were placed below the civilians.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans C. A is true but R is false. 

Directions : In the following questions, a statement of Assertion (A) is followed by a statement of
Reason (R). Mark the correct choice as :
(a) Both (A) and (R) are true, and (R) is the correct explanation of (A).
(b) Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(c) (A) is true, but (R) is false.
(d) (A) is false, but (R) is true.

Q.1. Assertion (A) : Capitalist were against private property, and saw it as the root of all social ills of the time.
Reason (R) : Individuals owned the property that gave employment but the propertied were concerned only with personal gain and not with the welfare of those who made the property productive.

AnswerAnswer: (d) Socialists were against private property, and saw it as the root of all social ills of the time.

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Q.2. Assertion (A) : Those who resisted Collectivisation were severely punished. Many were deported and exiled.
Reason (R) : Stalin’s government allowed some independent cultivation, but treated such cultivators sympathetically.

AnswerAnswer: (c) Those who resisted Collectivisation were severely punished. Many were deported and exiled. As they resisted Collectivisation, peasants argued that they were not rich and they were not against Socialism. They merely did not want to work in collective farms for a variety of reasons. Stalin’s government allowed some independent cultivation, but treated such cultivators unsympathetically.

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Q.3. Assertion (A) : Marx believed that to free themselves from Capitalist exploitation, workers had to construct a radically Socialist society where all property was socially controlled.
Reason (R) : He was convinced that workers would triumph in their conflict with capitalists. A communist society was the natural society of the future.

AnswerAnswer: (a)

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Q.4. Assertion (A) : At the beginning of the twentieth century, the vast majority of Russia’s people were industrialist.
Reason (R) : Industry was found in pockets. Prominent industrial areas were St Petersburg and Moscow. Craftsmen undertook much of theproduction, but large factories existed alongside craft workshop.

AnswerAnswer: (d) At the beginning of the twentieth century, the vast majority of Russia’s people were agriculturists. About 85 per cent of the Russian empire’s population earned their living from agriculture.

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Q.5. Assertion (A) : Liberals and Radicals themselves were often property owners and employers.
Reason (R) : Opposed to the privileges the old Aristocracy had by birth, they firmly believed in the value of individual effort, labour and enterprise.

AnswerAnswer: (a) Industrialization brought men, women, and children to factories. There were many issues like long working hours, unemployment, housing, and sanitation, etc. These problems were common since towns were growing rapidly. Liberals and Radicals searched for solutions to these issues. Almost all industries were the property of individuals. Liberals and Radicals themselves were often property owners and employers. Having made their wealth through trade or industrial ventures, they felt that such effort should be encouraged. Opposed to the privileges the old Aristocracy had by birth, they firmly believed in the value of individual effort, labour and enterprise.

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Q.6. Assertion (A) : 22 February came to be called the International Women’s Day.
Reason (R) : On 22 February, a lockout took place at a factory on the right bank. The next day, workers in fifty factories called a strike in sympathy. In many factories, women led the way to strikes

AnswerAnswer: (a)

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Q.7. Assertion (A): The Tsar dismissed the first Duma with 25 days and re-elected the second Duma within two months.
Reason (R): Liberals and revolutionaries were kept out.

➤ Show AnswerAnswer: (D)

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Q.8. Assertion (A): Industrialisation brought men, women and children to factories.
Reason (R): Working hours were often long and wages were poor.

➤ Show AnswerAnswer: (B)

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Q.9. Assertion (A): The Liberals wanted to Safeguard the rights of individuals against government.
Reason (R): They wanted a nation in which government was based on the majority of a country’s population.

➤ Show AnswerAnswer: (C)

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Q.10. Assertion (A): Industry was found in Pockets in Russia.
Reason (R): Most Industry were the Private Property of Industrialists

.➤ Show AnswerAnswer: (A)

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Assertion-reason based questions:

Q1 Assertion (A): In many ways, the French Revolution was a very significant event in the history of the world. 

Reason (R): The French Revolution not only inspired French citizens to take action, but it inspired many philosophers and leaders across the globe. 

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true. 

Ans A. Both A and R are true and R is the correct explanation of A. 

The French Revolution is called “The Dawn of Modern Era”. It ended a medieval society dominated by kings, priests, and nobles, signalling the beginning of a new era – The Modern Era. It also inspired nationalist leaders like Tipu Sultan and Rammohan Roy, and philosophers like Karl Marx.

Q2 Assertion (A): The formation of the National Assembly was one of the most important events in late 18th century France. 

Reason (R): Ever since the National Assembly was formed, people started gathering outside the Palace of Versailles where leaders like Mirabeau gave some very powerful speeches.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true. 

Ans B. Both A and R are true but R is not the correct explanation of A. 

Ever since the National Assembly was formed, the tennis court of the Versailles was significant among the French. The formation of the National Assembly was one of the most important events in the 18th Century in France. It marked the beginning of a shift in power from the king to the legislative entities. The members started working on drafting a Constitution for the people of France.

Q3 Assertion (A): The Constitution of 1791 improved the condition of women in France. 

Reason (R): Education was made compulsory to women and divorce was made legal.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true. 

Ans B. A is false but R is true. 

The Constitution of 1791 was unsupportive of women in France. It considered them as ‘passive’ citizens. But the revolutionary government gave women the freedom to pursue education, and divorce was made legal. Women were able to enjoy better opportunities and had better job prospects.

Q4 Assertion (A): Tithe was a tax levied by the Church. 

Reason (R): It comprised one tenth of the agricultural produce. 

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true. 

Ans A. Both A and R are true and R is the correct explanation of A. 

Tithe was a tax to religious contribution and it was collected by the church. It was a tax in which one tenth portion of agricultural produce was paid to the church, collected by clergy.

Q5 Assertion (A): Soldiers of the French Army were known as Jacobians. 

Reason (R): Jacobians were the trained soldiers of King Louis.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true. 

Ans D. A is false but R is true.

Jacobians were the members of the Jacobian club formed by the people of France to discuss government policies. The members of the Jacobin club belonged mainly to the less prosperous sections of society. They included small shopkeepers, artisans such as shoemakers, pastry cooks, watch-makers, printers, as well as servants and daily-wage workers.

Q6 Assertion (A): The National Assembly completed the draft of the Constitution in 1791. 

Reason (R): The main objective of this constitution was to increase the powers of the monarch.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true. 

Ans C. A is true but R is false. 

The main objective of the constitution was to limit the powers of the monarch. These powers instead of being concentrated in the hands of one person, were now separated and assigned to different institutions i.e. the legislature, executive and judiciary. This made France a constitutional monarchy.

Q7 Assertion (A): During the eighteenth century France witnessed the emergence of the middle class. 

Reason (R): The emergence of the middle class happened on the account of royal patronage.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans C. A is true but R is false.

About 90% of the population belonged to the third estate and had no political rights while having the absolute burden of taxation. First and second estates were exempted from paying tax, owned the land, and enjoyed many privileges and luxuries. During these social conditions, the renaissance and the period of enlightenment together brought the ideas of equality, liberty, and fraternity and along with it a new class with wealth grew within the third estate which worked for money rather than inheriting it. The middle class became the flag bearer of the French Revolution that eventually led to the downfall of the monarchy and feudal system and brought the concept of modem democracy. Hence during the eighteenth century, France witnessed the emergence of the middle class but it didn’t happen on the account of royal patronage.

Q8 Assertion (A): On 21st September, 1792 the monarchy was abolished and France was declared as a republic. 

Reason (R): A republic is a form of government where the people elect the government including the head of the government.

Options: 

1. Both A and R are true and R is the correct explanation of A. 
2. Both A and R are true but R is not the correct explanation of A 
3. A is true but R is false. 
4. A is false but R is true.

Ans A. Both A and R are true and R is the correct explanation of A.

1) Assertion-Our natural resources are damaged due to human activities.

Reason-due to the revolution natural resources are getting used more intensively.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

2) Assertion-Our natural resources are damaged due to human activities.

Reason-Our natural resources damaged by global warming.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

3) Assertion- Our natural resources are damaged due to human activities.

Reason- Our natural resources damaged by green house effect.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

4) Assertion-Our natural resources are damaged due to photosynthesis of plant.

Reason- Our natural resources damaged by green house effect.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

5) Assertion-Different type of crops required different photoperiods.

Reason- photoperiods means duration of sunlight.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

6) Assertion-Different type of crops required different photoperiods.

Reason- Growth of plants and flowering are important functions which always depending on sunlight.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

7) Assertion-Different type of crops required different kinds of fertilizers.

Reason- harmful chemicals plays vital role in plant growth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

8) Assertion-harmful chemicals plays vital role in plant growth.

Reason- Different type of crops required different kinds of fertilizers.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

9) Assertion-green gram is a kharif crop.

Reason- Green gram completely grown in the month of June to October.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

10) Assertion-green gram is a kharif crop.

Reason- Green gram completely grown in the month of September to October.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

11) Assertion- green gram is a kharif crop.

Reason- Green gram completely grown in the month of November to April.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

12) Assertion-wheat is a rabbi crop.

Reason- Wheat completely grown in the month of November to April.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

13) Assertion-wheat is a rabbi crop.

Reason- Wheat completely grown in the month of September to December.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

14) Assertion-wheat is a rabbi crop.

Reason- Wheat completely grown in the month of June to October.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

15) Assertion-Green gram is a rabbi crop.

Reason – Green gram completely grown in the month of September to October.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

16) Assertion-Wheat is the kharif crop.

Reason- wheat is completely grown in the month of June to October.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

17) Assertion-fertilizers and manure enhances crop production.

Reason-fertilizers and manure can increase nutrient which needed for enhances crop production.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

18) Assertion-fertilizers and manure enhances crop production.

Reason-fertilizers and manure produces chemical which enhances soil fertility.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

19) Assertion-fertilizers and manure enhances crop production.

Reason-fertilizers and manure produces microorganisms which enhances soil fertility.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

20) Assertion-fungicides and Pesticides enhances crop production.

Reason-fertilizers and manure produces chemical which enhances soil fertility.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

21) Assertion-fungicides and Pesticides enhances crop production.

Reason-fungicides and pesticides produces chemical which enhances soil fertility.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

22) Assertion-fungicides and pesticides produces chemical which enhances soil fertility.

Reason- fungicides and Pesticides enhances crop production.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

23) Assertion-fertilizers and manure enhances crop production.

Reason-fertilizers and manure can decrease nutrient which very important for crops.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

24) Assertion-Manure helps for enhancing soil nutrition.

Reason- Manure is a made up of organic matter, it is vital factor for crop production.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

25) Assertion-Manure helps for enhancing soil nutrition.

Reason- Manure is a made up of organic matter, it is vital factor for crop erosion.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

26) Assertion-Manure helps for enhancing soil nutrition.

Reason- Manure is a made up of inorganic matter, it is vital factor for crop erosion.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

27) Assertion-fertilizers helps for enhancing soil nutrition.

Reason-Fertilizers are made up of inorganic matter, it is vital factor for crop erosion.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

28) Assertion-Fertilizers are made up of inorganic matter, it is vital factor for crop erosion.

Reason- fertilizers are responsible for soil erosion.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

29) Assertion-fertilizers are responsible for soil erosion.

Reason- Fertilizers are made up of inorganic matter, it is vital factor for crop erosion.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

30) Assertion-manure maintain fertility of soil.

Reason-Manure is made up of organic bio-waste matter.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

31) Assertion-manure maintain fertility of soil.

Reason-Manure is made up of inorganic matter.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

32) Assertion-Excessive fertilizers are responsible for water pollution.

Reason-Fertilizers get washed away due to excessive irrigation.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

33) Assertion-Excessive fertilizers are responsible for water pollution.

Reason- Fertilizers are shows very harmful effects on crop by releasing chemicals.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

34) Assertion- Excessive fertilizers are responsible for water pollution.

Reason- Fertilizers give nitrogen, phosphorus, and potassium to crop for good growth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

35) Assertion-Excessive fertilizers are responsible for water pollution.

Reason-Microorganisms are generally feed on fertilizers

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

36) Assertion-Excessive fertilizers are responsible for water pollution.

Reason- microorganisms are generally killed by fertilizers and manure.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

37) Assertion-Excessive fertilizers are responsible for air pollution

Reason- microorganisms are generally killed in presence of fertilizer and manure.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

38) Assertion-microorganisms are generally killed in presence of fertilizer and manure.

Reason-Excessive fertilizers are responsible for air pollution

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

39) Assertion-Organic farming is very essential for crop.

Reason- Organic farming Is a framing system where we use minimal or no use of chemicals.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

40) Assertion-Organic farming is very essential for crop.

Reason- Organic farming Is a framing system where we use minimal or no use of manure.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

41) Assertion-Organic farming is very essential for crop.

Reason- Organic farming Is a framing system where we use minimal or no use of manure for avoiding air pollution.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

42) Assertion-Inorganic farming is very essential for crop.

Reason- Inorganic farming Is a framing system where we use minimal or no use of manure for avoiding air pollution.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

43) Assertion-Inorganic farming Is a framing system where we use minimal or no use of manure for avoiding air pollution.

Reason- Inorganic farming is very essential for crop.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

44) Assertion-Removal of weeds from cultivated fields during the early stages of crop growth is essential for good harvest.

Reason-weeds takes nutrients from soil and reduces the growth of crop.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

45) Assertion-Removal of weeds from cultivated fields during the early stages of crop growth is essential for good harvest.

Reason-weeds generates chemicals inside the crop hence it is necessary to cultivate them.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

46) Assertion-Removal of weeds from cultivated fields during the early stages of crop growth is essential for good harvest.

Reason-weeds are very harmful for crop growth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

47) Assertion-Growth of weeds in the crop is very essential for good yield.

Reason- weeds generates chemicals inside the crop hence it is necessary to cultivate them.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

48) Assertion-weeds generates chemicals inside the crop hence it is necessary to cultivate them

Reason- Growth of weeds in the crop is very essential for good yield.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

49) Assertion-when local and foreign breed of cattle crossed with each other then we get desired qualities in them with more milk production.

Reason- local breeds of cattle shows excellent resistance against Diseases and foreign breed have good lactation period.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Reason-Both Assertion and Reason are correct, and reason is the correct explanation for assertion

50) Assertion-local breeds of cattle shows excellent resistance against Diseases and foreign breed have good lactation period.

Reason-when local and foreign breed of cattle crossed with each other then we get desired qualities in them with more milk production.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

51) Assertion-when local and foreign breed of cattle crossed with each other then we get desired qualities in them with more milk production

Reason-genetically crossed breeds always give good result in milk production.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

52) Assertion- When local and foreign breed of cattle crossed with each other then we get desired qualities in them with more milk production

Reason- Milk is very important for new-born child.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

53) Assertion-Cleaning, sanitation and spraying are very important process for poultry farm.

Reason- poultry fowl suffer from numbers of disease which comes with the different kinds of microorganisms.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

54) Assertion-poultry fowl suffer from numbers of disease which comes with the different kinds of microorganisms.

Reason- Cleaning, sanitation and spraying are very important process for poultry farm.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

55) Assertion-Cleaning, sanitation and spraying are very important process for poultry farm.

Reason- broiler chickens are our primary food to get protein.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

56) Assertion- Cleaning, sanitation and spraying are very important process for paultry farm.

Reason- broiler chickens are our primary energy source of body.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

57) Assertion-Cleaning, sanitation and spraying are very important process for poultry farm.

Reason- broiler Chicken contains all types of vitamins.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

58) Assertion-Cleaning, sanitation and spraying are not necessary for poultry farm.

Reason-broiler chickens are our primary energy source of body.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

59) Assertion-broiler chickens are our primary energy source of body.

Reason-Cleaning, sanitation and spraying are not necessary for poultry farm.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

60) Assertion- by giving hormonal stimulation to fish breed we easily did fish farming inside the pond.

Reason- by mixing wild fish seeds with the ordinary fish seeds we did not get good quality of seeds also we found low availability.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

61) Assertion- by giving hormonal stimulation to fish breed we easily did fish farming inside the pond.

Reason- hormonal stimulation is the advance technique for fish farming.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

62) Assertion-by giving anti-hormonal stimulation to fish breed we easily did fish farming inside the pond.

Reason- anti-hormonal stimulation is the advance technique for fish farming.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

63) Assertion-anti-hormonal stimulation is the advance technique for fish farming.

Reason -by giving anti-hormonal stimulation to fish breed we easily did fish farming inside the pond.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

64) Assertion-bee keeping is done to get honey and wax.

Reason – honey is the most nutritional food

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

1) Assertion-Earth’s large area covered with the different forms of water

Reason- more amount of water present on earth surface as well it also found in the form of ice.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans -Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

2) Assertion-Earth’s large area covered with the different forms of water

Reason- All plants need water hence water quantity is high on earth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

3) Assertion-Earth’s large area covered with the different forms of water

Reason- water is the universal solvent.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

4) Assertion-Only 25% water found on earth

Reason-Ethanol is the universal solvent.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

5) Assertion-Ethanol is the universal solvent.

Reason- Only 25% water found on earth

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

6) Assertion-water is the universal solvent.

Reason- Earth’s large area covered with the different forms of water

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

7) Assertion-life is not existed on Venus and mars.

Reason- Mars and Venus are closest planets to earth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion

8) Assertion-life is not existed on Venus and mars.

Reason- Mars and Venus are made up of different kinds of gaseous.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

9) Assertion-life is not existed on Venus and mars.

Reason- Mars and Venus are made up of warm water.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

10) Assertion-life is not existed on Venus and mars.

Reason- Mars and Venus are made up of warm rocks.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

11) Assertion-all kinds of biodiversity lived in planets Mars and Venus.

Reason-Mars and Venus are made up of warm water.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Both Assertion and Reason are false.

12) Assertion-Mars and Venus are made up of warm water.

Reason- all kinds of biodiversity lived in planets Mars and Venus.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

13) Assertion-life is not existed on Venus and mars.

Reason- air, water, soil are major parameters which responsible for life.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

14) Assertion-life is not existed on Venus and mars.

Reason- Environment of Venus and Mars are not familiar to the birth of life.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

15) Assertion-Environment of Venus and Mars are not familiar to the birth of life.

Reason- life is not exist on Venus and mars.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

16) Assertion-Eukaryotic cells and many prokaryotic cells needs oxygen for break down of glucose molecule.

Reason- Glucose molecule gives energy to the eukaryotic as well prokaryotic cells.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

17) Assertion-Eukaryotic cells and many prokaryotic cells needs oxygen for breakdown of glucose molecule.

Reason- Oxygen breaks glucose molecule in simplest form which get easily absorb by eukaryote and prokaryotic cells.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

18) Assertion-Eukaryotic cells and many prokaryotic cells needs oxygen for break down of glucose molecule.

Reason-Oxygen is intermediate molecule of glucose.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

19) Assertion-Oxygen breaks glucose molecule in simplest form which get easily absorb by eukaryote and prokaryotic cells.

Reason- Eukaryotic cells and many prokaryotic cells needs oxygen for breakdown of glucose molecule.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

20) Assertion-Eukaryotic cells and many prokaryotic cells needs oxygen for breakdown of glucose molecule.

Reason- Glucose is the soft molecule hence it wants oxygen for breakdown.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

21) Assertion-Eukaryotic cells and many prokaryotic cells needs nitrogen for breakdown of glucose molecule.

Reason- Glucose is the soft molecule hence it wants oxygen for breakdown.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

22) Assertion-Many marine animals need calcium carbonate for their body building.

Reason- Marine organisms makes their kidney part from calcium carbonate.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

23) Assertion-Many marine animals need calcium carbonate for their body building.

Reason- Marine organisms makes their bones part from calcium carbonate.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

24) Assertion-Many marine animals need calcium carbonate for their body building.

Reason- Marine organisms makes their shells with the help of calcium carbonate.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

25) Assertion-acid rain is very dangerous to health.

Reason- Nitrogen oxide and sulphoxide are produces by burning fuels which responsible for many health issues.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

26) Assertion-Nitrogen oxide and sulphoxide are produces by burning fuels which responsible for many health issues.

Reason-acid rain is very dangerous to health.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

27) Assertion-acid rain is very dangerous to health.

Reason- Acid rain spreads corona virus hence it dangerous to health.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

28) Assertion-acid rain is very dangerous to health.

Reason- Acid rain makes soil infertile.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

29) Assertion-acid rain is very dangerous to health.

Reason- Acid rain responsible for body pain.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

30) Assertion-Some aquatic organisms do breathe inside the water.

Reason-Aquatic organisms have good moisty skin.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

31) Assertion-Some aquatic organisms do breathe inside the water.

Reason- Aquatic organisms have different kind of nasal system to do respiration.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

32) Assertion-After many years big rocks get converts into small pieces in the presence of sunlight.

Reason-Sun gives ultraviolet rays through the ozone layer.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

33) Assertion-After many years big rocks get converts into small pieces in the presence of sunlight.

Reason- Sun is main energy source of our life.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

34) Assertion-After many years big rocks get converts into small pieces in the presence of sunlight.

Reason- Sun produces very warm radiations on rocks results soil formation.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

35) Assertion-After many years big rocks get converts into small pieces in the presence of sunlight.

Reason- Sun heats rocks during the day so that they expand at night, and contract when they cool. So, the rate of contraction and expansion are mismatch results big rock converts into small piece.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

36) Assertion-Soil formation is the natural process.

Reason- Sun, water, wind and living organism are the major factors which responsible for soil formation.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

37) Assertion-Sun, water, wind and living organism are the major factors which responsible for soil formation.

Reason- Soil formation is the natural process.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

38) Assertion-Soil formation is the man-made process.

Reason-Air water and shelter are the major factors which responsible for soil formation.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

39) Assertion-Air water and shelter are the major factors which responsible for soil formation.

Reason-Soil formation is the man-made process.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

40) Assertion-Pesticides makes soil infertile.

Reason- Pesticides destroy the soil structure by killing the soil microorganisms that recycle nutrients in the soil.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

41) Assertion-Pesticides makes soil infertile.

Reason- Pesticides releases chemicals inside the organism’s body.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

42) Assertion-Fertilizers makes soil infertile.

Reason- fertilizers releases chemicals inside the organism’s body.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

43) Assertion-Fertilizers and pesticides makes soil infertile.

Reason-Pesticides and fertilizers destroy humus present in the soil.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

44) Assertion-Manure makes soil infertile.

Reason- Manure releases chemicals inside the organism’s body.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

45) Assertion-Manure releases chemicals inside the organism’s body.

Reason- Manure makes soil infertile.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Reason-Both Assertion and Reason are false.

46) Assertion-Deforestation leads soil erosion.

Reason- Roots of plants holds soil tightly hence prevent soil erosion.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

47) Assertion-Deforestation leads soil erosion.

Reason-Roots of plants holds water tightly hence soil erosion get prevented.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

48) Assertion-Deforestation leads soil erosion.

Reason- Roots of plants minerals tightly results soil pollution.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

49) Assertion-degradation leads soil erosion.

Reason- Roots of plants minerals tightly results soil pollution.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

50) Assertion-Roots of plants minerals tightly results soil pollution.

Reason-degradation leads soil erosion.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

51) Assertion-The percentage of carbon dioxide in atmosphere is more as compared to other molecule.

Reason-water is made up of carbon dioxide hence it is present in large quantity on earth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

52) Assertion-The percentage of carbon dioxide in atmosphere is more as compared to other molecule.

Reason- Industrialization getting increasing day to day life hence requirement of fossil fuels also increases which produces more no. Of carbon dioxide molecule.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

53) Assertion-The percentage of carbon dioxide in atmosphere is more as compared to other molecule.

Reason- plants and animals need calcium carbonate for breathing purpose.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

54) Assertion-The percentage of carbon dioxide in atmosphere is more as compared to another molecule.

Reason- Carbon dioxide enhances soil fertility.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

55) Assertion-the percentage of uranium in atmosphere is more as compared to another molecule.

Reason- Carbon dioxide enhances soil fertility.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

56) Assertion-Carbon dioxide enhances soil fertility.

Reason-the percentage of uranium in atmosphere is more as compared to another molecule.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

57) Assertion-our biodiversity needs large amount of energy source which they take from sun.

Reason- biodiversity is made by two components abiotic and biotic.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

58) Assertion-our biodiversity needs large amount of energy source which they take from sun.

Reason- flora and fauna needs oxygen for body functioning.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

59) Assertion-our biodiversity needs enough amount of oxygen for body functioning.

Reason- excessive oxygen is responsible for forest fire.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

60) Assertion-our biodiversity needs enough amount of oxygen for body functioning.

Reason- excessive under water present in forest cause forest fire.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

61) Assertion-our biodiversity needs enough amount of oxygen for body functioning.

Reason- excessive soil present in forest cause forest fire.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

62) Assertion- water is made up of biotic and abiotic factor.

Reason-excessive under water present in forest cause forest fire.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

63) Assertion-excessive under water present in forest cause forest fire.

Reason-water is made up of biotic and abiotic factor.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

64) Assertion-we get oxygen from plants.

Reason- photosynthesis is the food making process of plants where they releases oxygen molecule into atmosphere.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

65) Assertion- Elemental oxygen does not found in the monoatomic form.

Reason- Elemental oxygen always lived in the diatomic form.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

66) Assertion-Elemental oxygen does not find in the monoatomic form.

Reason- Oxygen is one of the major elements present in the water

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

67) Assertion-Elemental oxygen does not find in the monoatomic form.

Reason- Elemental oxygen formed molecule with the hydrogen results ammonia.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

68) Assertion-Elemental oxygen does not find in the monoatomic form.

Reason- Elemental oxygen takes part of formation to make ozone

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

69) Assertion-Elemental oxygen takes part of formation to make ozone

Reason- Elemental oxygen does not found in the monoatomic form.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

70) Assertion-Ozone layer is made up of oxygen molecule.

Reason- Oxygen molecule when combines with the elemental oxygen gives Ozone molecule.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

71) Assertion-Ozone layer is made up of oxygen molecule.

Reason- Oxygen molecule is universal molecule.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

72) Assertion-Ozone layer is made up of oxygen molecule.

Reason-Ozone layer protects us from ultraviolet radiation.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

1) Assertion-cell plays vital role in the body.

Reason-cell is the basic unit of body structure.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

2) Assertion-cell plays vital role in the body.

Reason-cell is the basic unit of wall making.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans -Assertion is true but Reason is false.

3) Assertion- cell plays vital role in bacteria.

Reason-cell is the basic unit of wall making.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

4) Assertion-cell plays vital role in the body.

 Reason- cells are made up of a variety of chemicals substances -proteins, carbohydrates, fats or lipids.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

5) Assertion-Food is necessary for cell and tissue functions.

Reason-Food give energy in the form of proteins, vitamins, minerals to the cell and tissue functions.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans -Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

6) Assertion-Food is necessary for cell and tissue functions.

Reason-cell is always depending on environment to grow.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

7) Assertion-Food is necessary for cell and tissue functions.

Reason-cell is the basic unit of wall making.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans -Assertion is true but Reason is false.

8) Assertion-Open drainage water is responsible for causing health issues.

Reason- Open drainage water is clean water which responsible for health issues.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans -Assertion is true but Reason is false.

9) Assertion-Open drainage water is responsible for causing health issues.

Reason- All wastewater get collects into the drainage water.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans -Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

10) Assertion- Open drainage water is responsible for good health.

Reason- Open drainage water is clean water which responsible for health issues.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans -Both Assertion and Reason are false.

11) Assertion-Open drainage water is clean water which responsible for health issues.

Reason- bacteria and microorganisms are easily grow in clean drainage water.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

12) Assertion-water treatment is very necessary.

Reason- to avoid water pollution we need to do water treatment.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

13) Assertion-water treatment is very necessary.

Reason- to avoid water pollution we must store water in tankers.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

14) Assertion-water treatment is very necessary.

Reason- to protect water source we need to treat and store water safely.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

15) Assertion-we should wash hands before preparing and taking food.

Reason- our hands are very uncleaned hence it is very necessary to wash them.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

16) Assertion-we should wash hands before preparing and taking food.

Reason- to protect ourselves from all infection we need to wash hands.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

17) Assertion-we should clean vegetables and fruits before use them.

Reason- to protect ourselves from all infection we need to wash hands.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

18) Assertion-we should clean vegetables and fruits before use them.

Reason- to protect ourselves from all infection we need to wash our hairs daily.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

19) Assertion-we should clean hair and legs before going to playground.

Reason- to protect ourselves from all infection we need to wash our hairs and legs daily.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

20) Assertion-Tuberculosis is the acute disease.

Reason- acute disease have very drastic long-term effect on people health

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Both Assertion and Reason are false.

21) Assertion-to protect ourselves from all infection we need to wash our hairs and legs daily.

Reason- we should clean hair and legs before going to playground.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

22) Assertion-Tuberculosis is the acute disease.

Reason- acute disease have very drastic long-term effect on plant health.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

23) Assertion-Tuberculosis is the chronic disease.

Reason- chronic disease have very drastic long term effects on people’s health.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

24) Assertion-acute disease have very drastic long term effect on plant health.

Reason-Tuberculosis is the acute disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

25) Assertion-chronic disease have very drastic long term effects on people’s health.

Reason-Tuberculosis is the chronic disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

26) Assertion-Turner syndrome is genetic disorder.

Reason- genetic disorder mainly happened due to mutation.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

27) Assertion-Turner syndrome is genetic disorder.

Reason- genetic disorder mainly happened due to decreasing quantity of white blood cells.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

28) Assertion-Turner syndrome is genetic disorder.

Reason- genetic disorder mainly happened due to decreasing quantity of red blood cells.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

29) Assertion- COVID-19 is the infectious disease.

Reason- infectious agents are responsible for spreading infectious disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

30) Assertion-COVID-19 is the infectious disease.

Reason- corona virus is the infectious agent which spread through air or any kind of contact.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

31) Assertion-AIDS, influenza, cold cough is the infectious disease.

Reason- acute diseases are long term disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

32) Assertion-AIDS, influenza, cold cough is the infectious disease.

Reason-chronic diseases are long term disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

33) Assertion-AIDS, influenza, cold cough is non-infectious disease.

Reason- acute diseases are long term disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans -Both Assertion and Reason are false.

34) Assertion-AIDS, influenza, cold cough is the infectious disease.

Reason- virus is the infectious agent which is responsible for AIDS, influenza, cold and cough.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

35) Assertion-Typhoid fever, cholera, tuberculosis is the infectious disease.

Reason- chronic diseases are long term disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

36) Assertion-Typhoid fever, cholera, tuberculosis is the infectious disease.

Reason-acute diseases are long term disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

37) Assertion-Typhoid fever, cholera, tuberculosis is the infectious disease.

Reason-Typhoid fever, cholera, tuberculosis is spread due to plasmodium.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

38) Assertion- Typhoid fever, cholera, tuberculosis is the Non-infectious disease.

Reason-Typhoid fever, cholera, tuberculosis is spread due to plasmodium.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

39) Assertion-Typhoid fever, cholera, tuberculosis is the infectious disease.

Reason- bacteria is responsible for Typhoid fever, cholera, tuberculosis.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

40) Assertion-bacteria is responsible for Typhoid fever, cholera, tuberculosis.

Reason- Typhoid fever, cholera, tuberculosis is the infectious disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

41) Assertion-Syphilis is the infectious disease.

Reason- syphilis is passed from one generation to next generation that the reason it called infectious disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

42) Assertion-Syphilis is the infectious disease.

Reason- syphilis is passed from one generation to next generation that the reason it called non- infectious disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

43) Assertion-Syphilis is the infectious disease.

Reason-Syphilis is passed from one to other person by sexual contact hence it called non-infectious disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

44) Assertion-Syphilis is the infectious disease.

Reason-Syphilis is passed from one to other person by sexual contact hence it called infectious disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

45) Assertion-Syphilis is the non-infectious disease.

Reason-Syphilis is passed from one to other person by sexual contact hence it called non-infectious disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

46) Assertion-Mosquitoes feed on many warm-blooded animals.

Reason-Reproduction of mosquitoes are depending on other microorganisms which are warm blooded organisms.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans -Assertion is true but Reason is false.

47) Assertion-Mosquitoes feed on many warm-blooded animals.

Reason-female mosquitoes lay eggs on the male body surface.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

48) Assertion-Mosquitoes feed on many cold-blooded animals.

Reason-female mosquitoes lay eggs on the male body surface.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

49) Assertion-Mosquitoes feed on many cold-blooded animals.

Reason-Reproduction of mosquitoes are depending on other microorganisms which are warm blooded organisms.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

50) Assertion-Reproduction of mosquitoes are depending on other microorganisms which are warm blooded organisms.

Reason- Mosquitoes feed on many cold-blooded animals.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

51) Assertion-Whenever we suffer from disease that time, we generally take medicine.

Reason- medicine is the haunted thing which responsible for disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

52) Assertion-Whenever we suffer from disease that time, we generally take medicine.

Reason- Medicines are generally differentiated in two parts Ayurveda and chemical based.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

53) Assertion-Medicines are generally differentiated in two parts Ayurveda and chemical based.

Reason- Whenever we suffer from disease that time, we generally take medicine.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

54) Assertion-Medicines are generally made up of chemicals to kill disease.

Reason- drugs are made up of many harmful chemicals.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

55) Assertion-drugs are made up of many harmful chemicals.

Reason-Medicines are generally made up of chemicals to kill disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

56) Assertion-Medicinal drugs are made up of many chemicals.

Reason- Diseases are cause due to Biochemical happens in the body by microorganisms and those get killed by medicinal drugs.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

57) Assertion-Diseases are cause due to Biochemical happens in the body by microorganisms And those get killed by medicinal drugs.

Reason-Medicinal drugs are made up of many chemicals.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

58) Assertion-protozoa is a microorganism which responsible for malaria disease.

Reason- protozoa does not get contacted with the human body directly.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

59) Assertion-protozoa does not get contacted with the human body directly.

Reason- protozoa is a microorganism which responsible for malaria disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

60) Assertion-Mosquitoes are not responsible for spreading malaria.

Reasons-protozoa does not get contacted with the human body directly.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

61) Assertion-Mosquitoes are not responsible for spreading malaria.

Reason- protozoa is a microorganism which responsible for malaria disease.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

62) Assertion-Mosquitoes are not responsible for spreading malaria.

Reason- protozoa are presents inside the gut of malaria.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

63) Assertion-protozoa are presents inside the gut of malaria.

Reason-Mosquitoes are not responsible for spreading malaria.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

64) Assertion-Antiviral medicines are harder than antibacterial medicines.

Reason- viruses have own biochemical mechanism where they enter into our cells that time they interrupt our cell body function.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

65) Assertion-viruses have own biochemical mechanism where they enter into our cells that time they interrupt our cell body function.

Reason-Antiviral medicines are harder than antibacterial medicines.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

66) Assertion-Antiviral medicines are harder than antibacterial medicines.

Reason- viruses are very dangerous than bacteria.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

67) Assertion-Antiviral medicines are harder than antibacterial medicines.

Reason-viruses carries harmful RNA.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

68) Assertion-Antiviral medicines are harder than antibacterial medicines.

Reason-viruses carries harmful DNA.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

69) Assertion-Anti-bacterial medicines are harder than anti-viral medicines.

Reason-viruses carries harmful DNA.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

70) Assertion-Anti-bacterial medicines are harder than anti-viral medicines.

Reason-viruses carries harmful DNA.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

71) Assertion-viruses carries harmful DNA.

Reason- virus is the microorganism have not specific body structure hence they carries DNA

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

1) Assertion-When any objects vibrates that time it produces sound.

Reason-Vibration means a kind of rapid to and from motion of an object.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

2) Assertion-When any objects vibrates that time it produces sound.

Reason-vibration is the process in which two objects strikes on each other.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and reason is the correct explanation for assertion.

3) Assertion-When any objects vibrates that time it produces sound.

Reason- vibrations of vocal cords creates sound

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

4) Assertion-vibrations of vocal cords creates sound

Reason-When any objects vibrates that time it produces sound.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

5) Assertion-When any objects vibrates that time it produces sound.

Reason- vibrations Of vocal cords leads painting in the throat.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans– Assertion is true but Reason is false.

6) Assertion-When any objects vibrates that time it produces acceleration.

Reason- vibrations Of vocal cords leads painting in the throat.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are false.

7) Assertion-stretched rubber bands always produces sound.

Reason-when we releases stretch rubber bands it get vibrates, results produces sound.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.

8) Assertion-stretched rubber bands always produces sound.

Reason- when we releases stretched rubber bands it get cut into two half’s.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

9) Assertion-Stretched rubber bands always produces sound.

Reason- vibrations create sound.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

10) Assertion-Steady rubber bands always produces sound.

Reason- when we releases stretched rubber bands it get cut into two half’s.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are false.

11) Assertion-when we releases stretched rubber bands it get cut into two half’s.

Reason- Steady rubber bands always produces sound.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are false.

12) Assertion-The matter or substances through which sound is transmitted is called medium.

Reason- the particles which present in the medium takes part to make sound wave by vibrating each other.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.

13) Assertion-The matter or substances through which sound is transmitted is called medium.

Reason-Solid, liquid, gas the medium through which sound get passed.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

14) Assertion-The matter or substances through which sound is transmitted is called medium.

Reason-Vacuum is the only medium through which sound get creates.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

15) Assertion-The matter or substances through which velocity is transmitted is called medium.

Reason- Vacuum is the only medium through which sound get creates.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-  Assertion and Reason are false.

16) Assertion-Vacuum is the only medium through which sound get creates.

Reason-The matter or substances through which velocity is transmitted is called medium.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are false.

17) Assertion- A wave is disturbance that moves through a medium when particles of the medium get neighbouring particles into motion.

Reason- Solid, liquid, gas the medium through which sound get passed.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.

18) Assertion- A wave is disturbance that moves through a medium when particles of the medium get neighbouring particles into motion.

Reason-The particles of medium move forward themselves with the help of hydrogen bonding.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

19) Assertion- A wave is disturbance that moves through a medium when particles of the medium get neighbouring particles into motion.

Reason-The particles of medium move forward themselves with the help of wander wall force.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

20) Assertion-sound waves are characterized by the motion of particles in the medium which we generally called mechanical wave.

Reason-A wave is disturbance that moves through a medium when particles of the medium get neighbouring particles into motion.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

21) Assertion- Sound waves are characterized by the motion of particles in the medium which we generally called mechanical wave.

Reason- Mechanical waves is the strongest wave through which sound get produces.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

22) Assertion-Bell do not produces sound inside the vaccum.

Reason- sound is produces only in air, water, and solid medium not in vaccum.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-

23) Assertion-Bell do not produces sound inside the vaccum.

Reason-Sound is generated by the process of vibration.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

24) Assertion-Bell do not produces sound inside the vaccum.

Reason-Sound is generated due to acceleration process.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are false.

25) Assertion-sound is produces only in air, water, and solid medium not in vaccum.

Reason-Bell do not produces sound inside the vaccum.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

26) Assertion—Bell do not produces sound inside the vaccum.

Reason -Sound is generated due to acceleration process.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

27) Assertion-Amplitude is represented by the letter A.

Reason- disturbance in the medium on another side of the mean value is called amplitude of the wave.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

28) Assertion- if we strikes by any object to a table we can easily hear a sound.

Reason- disturbance in the medium on another side of the mean value is called amplitude of the wave.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

29) Assertion-if we strikes by any object to a table we can easily hear a sound.

Reason-Amplitude is depends on force which we exert on object.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

30) Assertion-if we strikes by any object to a table we can easily hear a sound.

Reason- Amplitude is depend on the object through which we get sound.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

31) Assertion- if we strikes by any object to a table we can easily hear a sound.

Reason- Due to the less force exert on table, it can produces sound wave of less amplitude.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.

32) Assertion-loudspeaker sound can travel large distance.

Reason-Sound of loudspeaker have very high energy hence it travels large distance.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.

33) Assertion-loudspeaker sound can travel large distance.

Reason-Sound of loudspeaker is generally placed in open space hence that sound travels large distance.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

34) Assertion- loudspeaker sound can travel large distance.

Reason- loudspeaker has special function through which it generates sound.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

35) Assertion-‘ Loudness ‘ and intensity are not the same

Term.

Reason- ‘ Loudness ‘ is measure of response of ear to the sound.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

36) Assertion-‘ Loudness ‘ and intensity are the same terms.

Reason- ‘ Loudness ‘ is measure of response of ear to the sound.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are false.

37) Assertion-‘ Loudness ‘ is measure of response of ear to the sound.

Reason- ‘ Loudness ‘ and intensity are the same terms.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are false.

38) Assertion-‘Loudness ‘ and intensity are not the same

Term.

Reason-Intensity is measure of the response of ear to the sound.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

39) Assertion-travelling period of sound is more in water as compare to the ice.

Reason- generation of sound and travelling Of sound needs medium.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

40) Assertion-travelling period of sound is more in water as compare to the ice.

Reason- The speed of sound increases when we go from solid to gaseous state.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

41) Assertion-travelling period of sound is more in water as compare to the ice

Reason- The speed of sound decreases when we go from solid to gaseous state.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

42) Assertion-The auditoriums are generally covered with sound-absorbent materials like compressed fiber board, rough plaster

Reason-In an auditorium, excessive reverberation is highly undesirable hence to reduce reverberation. We use sound-absorbent material on roof.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.

43) Assertion-The auditoriums are generally covered with sound-absorbent materials like compressed fiber board, rough plaster

Reason- sound absorbent material absorbs sound from outer environment of the auditorium.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

44) Assertion-In an auditorium, excessive reverberation is highly undesirable hence to reduce reverberation. We use sound-absorbent material on roof.

Reason-The speed of sound increases when we go from solid to gaseous state.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

45) Assertion-Stethoscope is medical instrument used for listening to sound produced within body.

Reason- In stethoscopes the sound of patients heartbeat reaches the doctors ears by multiple reflection of sound.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and reason is the correct explanation for assertion.

46) Assertion-Stethoscope is medical instrument used for listening to sound produced within body.

Reason- the matter or substance through which sound is transmitted is called medium.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

47) Assertion -Stethoscope is medical instrument used for listening to sound produced within body.

Reason-Stethoscope is the instrument which shows us intestinal movement.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

48) Assertion-Stethoscope is medical instrument used for listening to sound produced within body.

Reason-Stethoscope is the instrument which shows us brain beating.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

49) Assertion-it is observed that some animals get disturbed before earthquakes.

Reason- Earthquakes produces low frequency infrasound before the main shock waves begins which possibly alert the animals.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.

50) Assertion-it is observed that some animals get disturbed before earthquakes.

Reason- Animals feel vibrations before earthquake get happens.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

51) Assertion-it is observed that some animals get disturbed before earthquakes.

Reason- Animals are born with 7sense from which they detects earthquake.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

52) Assertion-it is observed that some animals get disturbed before gun shot.

Reason- Animals are born with 7 sense from which they detects earthquake.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are false.

53) Assertion -Moths are easily detects bats hence they easily escape form them.

Reason- bats produces ultrasound Which easily detected by moths hence they sense that bats are nearby

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and reason is the correct explanation for assertion.

54) Assertion-Moths are easily detects bats hence they easily escape form them.

Reason- bats produces Infrasound which easily detected by moths hence they senses that bats are nearby.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

55) Assertion-Moths are easily detects bats hence they easily escape form them.

Reason- Bats produces some poisonous Chemicals which is very harmful for moths.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

56) Assertion-Bats produces some poisonous Chemicals which is very harmful for moths.

Reason- Animals are born with 7 sense from which they detects earthquake.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are false.

57) Assertion- Animals are born with 7 sense from which they detects earthquake.

Reason- Bats produces some poisonous Chemicals which is very harmful for moths.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are false.

1) Assertion-the unit of work is Nm

Reason-Nm is the SI unit of work where N is used for No. Of atoms.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans -Assertion is true but Reason is false.

2) Assertion-the unit of work is Nm

Reason-Nm is the SI unit of work where N is used for Newton.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

3) Assertion-the unit of work is Nm

Reason- Nm is the SI unit of work where m is used for meter.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

4) Assertion- The baby has exerted a force in the direction of displacement of the car that time work done by force which is under positive sign.

Reason-work is only happen when force get multiply by displacement.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

5) Assertion-The baby has exerted a force in the direction of displacement of the car that time work done by force which is under positive sign.

Reason-baby does her work by applying force.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans -Assertion is true but Reason is false.

6) Assertion-The baby has exerted a force in the direction of displacement of the car that time work done by force which is under positive sign.

Reason-work done is only happen in the presence of velocity.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans -Assertion is true but Reason is false.

7) Assertion-The baby has exerted a force in the direction of displacement of the car that time work done by force which is under positive sign.

Reason-work done is only happen in the opposite direction of displacement.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion is true but Reason is false.

8) Assertion-The baby has exerted a force in  opposite direction of displacement of the car that time work done by force which is under positive sign.

Reason-baby does her work by applying force.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion and Reason are false.

9) Assertion- The baby has exerted a force in the direction of displacement of the car that time work done by force which is under positive sign.

Reason-Baby does her work which exerts force in the direction of displacement of a car.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion and Reason are correct, and reason is the correct explanation for assertion.

10) Assertion- The object which is in motion posses energy which we generally called kinetic energy.

Reason- Kinetic energy Is the only source of body.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

11) Assertion-The object which is in motion posses energy which we generally called kinetic energy.

Reason- A moving object always does work.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans -Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

12) Assertion-A moving object always does work.

Reason-The object which is in motion posses energy which we generally called kinetic energy.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans –Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

13) Assertion-The kinetic energy possessed by an object happened due to its motion.

Reason- The object which is in motion posses energy which we generally called kinetic energy.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans -Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

14) Assertion-The kinetic energy possessed by an object happened due to its motion.

Reason- kinetic energy generates from steady position of object which is generally situate on height.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion is true but Reason is false.

15) Assertion-A lift an object through a certain height.

The object can how do work. It begins to fall when realised.

Reason-lifted object does work by using store energy called potential energy.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.

16) Assertion-A lift an object through a certain height.

The object can how do work. It begins to fall when realised.

Reason-lifted object does work by using store energy called motional energy.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

17) Assertion-A lift an object through a certain height.

The object can how do work. It begins to fall when realised.

Reason-lifted object does work by using motional energy called kinetic energy.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

18) Assertion-A lift an object through a certain height. The object can how do work. It begins start to float.

Reason- lifted object does work by using motional energy called kinetic energy.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are false.

19) Assertion-lifted object does work by using motional energy called kinetic energy.

Reason-A lift an object through a certain height. The object can how do work. It begins start to float.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are false.

20) Assertion-An object increases its energy when it goes upward.

Reason-when object goes upward that time it moves against gravity hence work get easily happens.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

21) Assertion-An object increases its energy when it goes upward.

Reason- When object goes upward that time it moves against gravity that is the reason energy of object getting increases.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.

22) Assertion-An object increases its energy when it goes upward.

Reason- the object is under motion shows its own energy Called kinetic energy.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

23) Assertion- An object increases its energy when it goes upward.

Reason- the object is under motion shows its own energy Called potential energy.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

24) Assertion- An object decreases its energy when it goes upward.

Reason- the object is under motion shows its own energy Called potential energy.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are false.

25) Assertion-the object is under motion shows its own energy Called potential energy.

Reason-An object decreases its energy when it goes upward.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are false.

26) Assertion-An object decreases its energy when it goes upward.

Reason- the object is under motion shows its own energy Called potential energy.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are false.

27) Assertion-lifted object have more potential energyWhere it releases from the height then potential energy get converted into the kinetic energy.

Reason-energy can neither be created nor be destroyed it can convert from one form to another form.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

28) Assertion-lifted object have more potential energy where it releases from the height then potential energy get converted into the kinetic energy.

Reason- lifted object shows negligible velocity.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

29) Assertion-lifted object have more potential energy where it releases from the height then potential energy get converted into the kinetic energy.

Reason- lifted object shows negligible kinetic energy.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans -Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

30) Assertion-lifted object have more potential energy

Where it releases from the height then potential energy get converted into the kinetic energy.

Reason- When lifted object releases that time potential energy get increases.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans -Assertion is true but Reason is false.

31) Assertion-lifted object have more potential energy Where it releases from the height then potential energy get converted into the kinetic energy.

Reason- When lifted object releases that time kinetic energy get increases.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion is true but Reason is false.

32) Assertion-lifted objects are full of kinetic energy Where it releases from the height then potential energy get converted into the static energy.

Reason- When lifted object releases that time potential energy get increases.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion and Reason are false.

33) Assertion- When lifted object releases that time potential energy get increases.

Reason -lifted objects are full of kinetic energy Where it releases from the height then potential energy get converted into the static energy.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are false.

34) Assertion-the definition of power is wok divided by time

Reason-the unit of power is watt.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

35) Assertion-the definition of power is wok divided by time

Reason-1 kilowatt means 1000 watts.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

36) Assertion-the definition of power is wok divided by time.

Reason- 1 kilo watt means 1000 kg.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans –  Assertion is true but Reason is false.

37) Assertion-the definition of power is wok divided by time.

Reason-1 kWh means 3.6 x 106 J .

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

38) Assertion-the definition of velocity is wok divided by time.

Reason-1 kWh means 0.36 x 106 J

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are false.

39) Assertion-1 kWh means 0.36 x 106 J

Reason-the definition of velocity is wok divided by time.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are false.

40) Assertion-1 kWh means 3600000 J.

Reason – 1kW   x  1 hour

              =1000  x 3600s

              =3600000 J

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion and Reason are correct, and reason is the correct explanation for assertion.

41) Assertion-1 kWh means 3600000 J.

Reason – 1kW   x  1 hour

= 3600 kW x 1000s

              =3600000 J

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

42) Assertion-1 kWh means 3600000 J.

Reason-1kW   x  1 hour

             = 1000 x 60 minutes

             =60,000 J

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

43) Assertion-1 kWh means 3600000 J.

Reason- 60 watt means 0.06 kW

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

44) Assertion-60 watt means 0.06 kW

Reason- 1 kWh means 3600000 J.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

45) Assertion-1 kWh means 3600000 J.

Reason-power is equal to work done divided by time taken.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

46) Assertion-60 watt means 0.006 kW

Reason- 1 kWh means 36000000 J.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion and Reason are false.

47) Assertion – one watt is one joule divided by second

Reason- 60 watt means 0.06 kW

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans – Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

48) Assertion-The formula of work done is equal to the force multiply by displacement.

Reason- work is only completed when we exert force on object where it displaces from one to another place

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-  Assertion and Reason are correct, and reason is the correct explanation for assertion.

49) Assertion- The formula of work done is equal to the force multiply by displacement.

Reason- Force is denoted by F.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

50) Assertion- The formula of work done is equal to the force multiply by displacement.

Reason-displacement is the object which denoted by using letter W.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

51) Assertion- The formula of work done is equal to the force multiply by velocity.

Reason- displacement of object denoted by using W.

a) Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Assertion and Reason are false.

Ans- Assertion and Reason are false.

1) Assertion-An object when thrown upward reaches a certain height and falls downward.

Reason-Object which thrown upward get float on the sky.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

2) Assertion-An object when thrown upward reaches a certain height and falls downward.

Reason- Object has their own energy to come down side.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

ANS-Assertion is true but Reason is false.

3) Assertion-An object when thrown upward reaches a certain height and float upward.

Reason-Due to gravitational energy an any object get float upward in the sky.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

4) Assertion-An object when thrown upward reaches a certain height and falls downward.

Reason-Due to gravitational energy an any object which present in the sky falls down the earth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

5) Assertion-A stone travelling circular path with a velocity of constant magnitude.

Reason-stone has its own energy to move in the circular path.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

6) Assertion-A stone travelling circular path with a velocity of constant magnitude.

Reason-A stone which travelling in circular path which follows centripetal force.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

7) Assertion-A stone which tied with rope accelerate from the motion.

Reason- A stone which travelling in circular path which follows centripetal force.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

8) Assertion- The force that causes the acceleration and keeps the body moving along the circular path is acting towards the center. This force is called centripetal force

Reason-Centripetal force only acting on such an object which capable to move alone in the space.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

9) Assertion-The force that causes the acceleration and keeps the body moving along the circular path is acting towards the center. This force is called centripetal force.

Reason-Vander wall force only acting on such an object which capable to move alone in the space.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

10) Assertion-The force that causes the acceleration and keeps the body moving along the rectangle path is acting towards the center. This force is called centripetal force.

Reason-Vander wall force only acting on such an object which capable to move alone in the space.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

11) Assertion-In the absence of gravitational force any abject can be float on the sky.

Reason-gravitational force is the attractive force which exert from the core of earth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

12) Assertion-In the absence of gravitational force any abject can be float on the sky.

Reason-gravitational force is the repulsive force which exert from the sun to a object.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

13) Assertion-In the absence of gravitational force any abject can be float on the sky.

Reason- An object when thrown upward reaches a certain height and falls downward.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

14) Assertion-Moon is revolved around the earth due to the strong force

Reason-The force that causes the acceleration and keeps the body moving along the circular path is acting towards the center. This force is called centripetal force

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

15) Assertion-Moon is revolved around the earth due to the strong force

Reason-The force that causes the acceleration and keeps the body moving along the rectangular path is acting towards the center. This force is called centripetal force

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

16) Assertion-Moon is revolved around the earth due to the strong force

Reason-The force that causes the acceleration and keeps the body moving along the rectangular path is acting towards the center. This force is called rectangular force

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

17) Assertion-Sun is revolved around the earth due to the strong force

Reason-The force that causes the acceleration and keeps the body moving along the rectangular path is acting towards the center. This force is called rectangular force

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

18) Assertion-Moon is revolving around the earth

Reason-According to second law of motion the force of acceleration is inversely proportional to the mass of an object. So, the mass of moon is negligible.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

19) Assertion-Moon is revolving around the earth.

Reason-According to second law of motion the force of acceleration is inversely proportional to the mass of an object. So, the mass of moon is more than earth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

ANS-Assertion is true but Reason is false.

20) Assertion-Moon is revolving around the earth.

Reason-According to second law of motion the force of acceleration is directly proportional to the mass of an object. So, the mass of moon is more than earth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

ANS-Assertion is true but Reason is false.

21) Assertion-Moon is revolving around the mars

Reason-According to second law of motion the force of acceleration is directly proportional to the mass of an object. So, the mass of moon is more than earth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

ANS-Both Assertion and Reason are false.

22) Assertion- SI unit of gravitation is N m2 kg-2  

Reason- Gravitation is the attractive force present on the earth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

23) Assertion- SI unit of gravitation is N m2 kg-2  

Reason- Gravitation has no SI unit.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-assertion is true, but Reason is false.

24) Assertion-A force which binds us to the earth is known as gravitational force.

Reason-Gravitational force is the attractive force exerts from earth core to every object which present on earth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

25) Assertion-A force which binds us to the earth is known as gravitational force.

Reason-Gravitational force is the repulsive force exerts from earth core to every object which present on earth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

26) Assertion-A force which binds us to the earth is known as interstitial force.

Reason-Gravitational force is the repulsive force exerts from earth core to every object which present on earth.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

27) Assertion-the object fall towards the earth under gravitational force alone we say that the abject are in free fall

Reason- the object which experiences free fall cannot have its own energy.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

ANS-Assertion is true but Reason is false.

28) Assertion-the object fall towards the earth under gravitational force alone we say that the abject are in free fall

Reason- the object which experiences free fall have its own energy to fall on ground.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

ANS-Assertion is true but Reason is false.

29) Assertion-the object go upward from the earth under gravitational force alone we say that the abject are in free fall

Reason- The object which experiences free fall have its own energy to fall on ground.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

30) Assertion-The object which experiences free fall have its own energy to fall on ground.

Reason-the object goes upward from the earth under the gravitational force alone we say that the abject are in free fall

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

31) Assertion-The earth is not perfect sphere.

Reason-Earth is rectangle in shape

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

32) Assertion- relation of inertia and mass is when inertia is greater the mass of object also greater.

Reason- inertia is directly proportional to the mass of abject.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

33) Assertion-The formula of pressure is equal to thrust divided by area.

Reason-SI unit of pressure is N/m2

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

34) Assertion-Pressure exerted in any confined mass of fluid is transmitted undiminished in all directions.

Reason-SI unit of pressure is N/m2

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

35) Assertion-Pressure exerted in any confined mass of fluid is transmitted undiminished in all directions.

Reason-SI unit of pressure is N/Scm2

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

36) Assertion-Temperature exerted in any confined mass of fluid is transmitted undiminished in all directions.

Reason-SI unit of pressure is N/Scm2

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

37) Assertion-SI unit of pressure is N/Scm2

Reason-Temperature exerted in any confined mass of fluid is transmitted undiminished in all directions.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

38) Assertion-The upward force exerted by the water on the bottle is known as upthrust or buoyant force.

Reason- The magnitude of the buoyant force is depending on the density of the fluid.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

ANS-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

39) Assertion-The downward force exerted by the water on the bottle is known as upthrust or buoyant force.

Reason- The magnitude of the buoyant force is depending on the viscosity of the fluid.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

40) Assertion-The upward force exerted by the water on the bottle is known as upthrust or buoyant force.

Reason- The magnitude of the buoyant force is depending on the viscosity of the fluid.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

41) Assertion-When body is immersed fully or partially in fluid, it experiences an upward force that is equal to the weight of the fluid displaced by it.

Reason-The magnitude of the buoyant force is depending on the density of the fluid.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

42) Assertion-When body is immersed fully or partially in fluid, it experiences an upward force that is equal to the weight of the fluid displaced by it.

Reason-The magnitude of the buoyant force is depending on the viscosity of the fluid.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans- Assertion is true but Reason is false.

43) Assertion-When body is immersed fully or partially in fluid, it experiences adownward force that is equal to the weight of the fluid displaced by it.

Reason-The magnitude of the buoyant force is depending on the viscosity of the fluid.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

44) Assertion-The unit of density is kilogram per meter cube.

Reason-The density of a substance is defined as mass of a unit volume.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

45) Assertion-The unit of density is kg m-3.

Reason-The density of a substance is defined as mass of a unit volume.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

46) Assertion-The unit of density is kilogram per meter cube.

Reason-The viscosity of a substance is defined as mass of a unit volume.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

47) Assertion-The unit of density is kilogram per meter cube.

Reason-The density of a substance is defined as mass of a unit kilogram.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

48) Assertion-The unit of density is kilogram per meter cube.

Reason-The density of a substance is defined as pressure of a unit volume.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.

49) Assertion-The unit of density is kilogram per meter square.

Reason-The density of a substance is defined as pressure of a unit volume.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Both Assertion and Reason are false.

50) Assertion- The formula of relative density equals to density of substances divided by density of water.

Reason-Relative density term is depending on the relation of density and volume.

a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c) Assertion is true but Reason is false.

d) Both Assertion and Reason are false.

Ans-Assertion is true but Reason is false.