Author Archives: Priyanka

NCERT MCQ ON PEASANTS AND FARMERS

Question 1.
Why did the ordinary dust storm took the form of Black Blizzard in US plains in the 1930s?
(a) The whole plain was an arid zone
(b) The entire ploughed landscape was stripped of all grass
(c) The area faced heavy flooding
(d) There was no rainfall in the region

Answer: (b) The entire ploughed landscape was stripped of all grass

Question 2.
What was the normal height of terrifying dust storms during the 1930s in USA?
(a) 5000 to 6000 feet
(b) 100 to 200 feet
(c) 7000 to 8000 feet
(d) 700 to 800 feet

Answer: (c) 7000 to 8000 feet

Question 3.
Which of the following systems was adopted by the British to convince the unwilling Indian cultivators to produce opium?
(a) Cheap loans
(b) Advances
(c) Collective farming
(d) Scientific farming methods

Answer: (b) Advances

Question 4.
In the early 19th century which were the two major commercial crops grown in India?
(a) Sugarcane and cotton
(b) Jute and cotton
(c) Indigo and opium
(d) Wheat and indigo

Answer: (c) Indigo and opium

Question 5.
Why peasants protested against the threshing machines?
(a) They were dangerous
(b) Difficult to operate
(c) Deprived the workers of their livelihood
(d) Too costly to buy

Answer: (c) Deprived the workers of their livelihood

Question 6.
Which of the following became the Bread Basket of the world during 20th century?
(a) Japan
(b) France
(c) Russia
(d) America

Answer: (d) America

Question 7.
What was the result of the ‘Opium War’ (1837-42)?
(a) China was forced to accept the humiliating terms of the subsequent treaties signed
(b) It had to legalize the opium trade
(c) It had to open up China to foreign merchants
(d) All the above

Answer: (d) All the above

Question 8.
Who introduced opium in China?
(a) The Dutch
(b) The French
(c) The American
(d) The Portuguese

Answer: (d) The Portuguese

Question 9.
Under which mythical name were threatening letters written to the rich farmers in England?
(a) Captain Swing
(b) Captain John
(c) Captain Swaine
(d) Captain Mark

Answer: (a) Captain Swing

Question 10.
The Manchus were:
(a) Chinese rulers
(b) Roman rulers
(c) Indian rulers
(d) Portuguese rulers

Answer: (a) Chinese rulers

Question 11.
Farmers in England began buying the new threshing machines because they:
(a) feared shortage of labor
(b) wanted to show superiority by buying these machines
(c) had enough money which they wanted to invest
(d) none of these

Answer: (a) feared shortage of labor

Question 12.
From China the English East India Company imported:
(a) Silk and coffee
(b) Silk and tea
(c) Coffee and tea
(d) Paper and tea

Answer: (b) Silk and tea

Question 13.
In 1831 mechanical reaper was invented by:
(a) Cyrus McCormic
(b) Dietrich Brandis
(c) Alexander Hogue
(d) None of the above

Answer: (a) Cyrus McCormic

Question 14.
Opium was exported from India to:
(a) China
(b) Rome
(c) U.K.
(d) Portugal

Answer: (a) China

Question 15.
Who was the American President under whom maximum expansion of wheat cultivation took place?
(a) President Wilson
(b) President Roosevelt
(c) George Washington
(d) Abraham Lincoln

Answer: (a) President Wilson

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NCERT MCQ ON PASTORALISTS IN THE MODERN WORLD

Question 1 : Name the Pastoral Nomads of Jammu and Kashmir

• a) Gujjar Bakarwals
• b) Bhotiyas
• c) Sherpas
• d) Gaddis

Answer: Gujjar Bakarwals

Question 2: Pastoralists sustain by

• a) All the options
• b) Trade
• c) Cultivation
• d) Herding

Answer: All the options

Question 3: Nomadic Pastoralists are People Who

• a) Move from one place to another with their herds to earn a living
• b) Move from one area to another
• c) Live in one place
• d) Gonds, Dhurwas and Bhatros are some nomadic pastoralists of India

Answer: Move from one place to another with their herds to earn a living

Question 4 : Maasai means

• a) My land
• b) My people
• c) My home
• d) Maa

Answer: Myland

Question 5: The Serengeti National Park is located in

• a) South Africa
• b) Tanzania
• c) Kenya
• d) Namibia

Answer: South Africa

Question 6: Protected forests were

• a) Customary rights were granted to pastoralists subject to severe restrictions on their movements
• b) Pastoralists were granted grazing rights in these forests without preconditions
• c) Access to these forests was prohibited
• d) Forests which produced commercially viable timber

Answer: Customary rights were granted to pastoralists subject to severe restrictions on their movements

Question 7: In which of the following states are Banjara’s to be found

• a) Punjab, Rajasthan, Madhya Pradesh
• b) U.P., Punjab, Andhra Pradesh
• c) Maharashtra, Madhya Pradesh, Karnataka
• d) U.P., Punjab, Jammu and Kashmir

Answer: Punjab, Rajasthan, Madhya Pradesh

Question 8: Pastoralists sustain by

• a) All the options
• b) Trade
• c) Cultivation
• d) Herding

Answer: All the options

Question 9: The alternation of monsoon and dry season defined the rhythm of

• a) Gollas
• b) Berbers
• c) Gujjar Bakarwals
• d) Gaddis

Answer: Gollas

Question 10: Which of the following was not a reason for Konkani peasants welcoming the herders

• a) Dhangar flocks fed on the stubble of the rabi crop
• b) They helped in kharif harvest
• c) Shepherds received supplies of rice
• d) They returned to the plateau with the onset of monsoons

Answer: Dhangar flocks fed on the stubble of the rabi crop

Question 11: Dhangars are pastoralists of

• a) Maharashtra
• b) U.P. hills
• c) Garhwal
• d) Jammu and Kashmir

Answer: Maharashtra

Question 12: Bugyals are

• a) Semi-arid region in the Central Plateau of Maharashtra
• b) Vast meadows in high mountains
• c) Dry forested area below the foothills of Garhwal and Kumaon
• d) Swampy wet coastal tracts

Answer: Semi-arid region in the Central Plateau of Maharashtra

Question 13: The cyclical movement of mountain pastoralists is defined by

• a) Cold and snow
• b) Dry season
• c) Onset of monsoons
• d) Prospects of trade

Answer: Cold and snow

Question 14: Bhabar

• a) Dry forested area
• b) Semi-arid region
• c) Thick forests
• d) Vast meadows

Answer: Dry forested area

Question 15: Name the significant feature of nomadic pastoralists

• a) Cycle of seasonal movement
• b) Shifting cultivation
• c) Live on the edges of forests
• d) Continuously on the move

Answer: Cycle of seasonal movement

NCERT MCQ ON FOREST SOCIETY AND COLONIALISM

Question 1: In which year the Baster rebellion took place?

• a) 1910
• b) 1909
• c) 1911
• d) 1912

Answer: 1910

Question 2: The Imperial Forest Institute was set up at:

• a) Dehradun
• b) Jamshedpur
• c) Lucknow
• d) Chennai

Answer: Dehradun

Question 3: Which of the following is not associated with swidden agriculture?

• a) Karacha
• b) Jhum
• c) Bewar
• d) Penda

Answer: Karacha

Question 4: Which of the following categories of forests is considered as the best on the basis of their utility?

• a) Reserved forests
• b) Protected forests
• c) Village forests
• d) Community forests

Answer: Reserved forests

Question 5: The system of blandongdiensten implies

• a) Exempting villagers from rent if they worked collectively to provide free labour and buffalos for cutting and transporting timber
• b) Forced villagers to cut trees as per the new forest laws
• c) Exempting villagers to collect wood from reserved forests
• d) Arresting villagers who found stealing timber from forests

Answer: Exempting villagers from rent if they worked collectively to provide free labour and buffalos for cutting and transporting timber

Question 6: In England, Oak forests were used for

• a) Building ships
• b) Carpentry
• c) Building railway tracks
• d) Constructing houses

Answer: Building ships

Question 7: Indian Forest Service was set up in the year

• a) 1864
• b) 1865
• c) 1854
• d) 1884

Answer: 1864

Question 8: The system of scientific forestry stands for

• a) System of cutting old trees and plant new ones
• b) The system whereby local farmers were allowed to cultivate temporarily within a plantation
• c) Disappearance of forests
• d) Division of forests in three categories

Answer: System of cutting old trees and plant new ones

Question 9: Which of the following was not a tribal community?

• a) Jhum
• b) Karacha
• c) Korava
• d) Yerukula

Answer: Jhum

Question 10: The scorched earth followed by policy was

• a) Dutch in Java
• b) Japanese in Java
• c) British in India
• d) French in Vietnam

Answer: Dutch in Java

Question 11: Sacred grooves are known as

• a) sarnas, kan, rai, devarakudu
• b) dhya, penda, bewar
• c) nevad, jhum, podu
• d) siadi, semur, Chena tavi,

Answer: sarnas, kan, rai, devarakudu

Question 12: Which among the following is the main reason for survival of some dense forests in India?

• a) Villages protected them as sacred grooves
• b) Scientific forestry
• c) Environmentalists
• d) Conservationists

Answer: Villages protected them as sacred grooves

Question 13: Which of the following is a new development in forestry?

• a) Conservation of forests
• b) Collecting timber
• c) Scientific forestry
• d) Keeping communities away from forests

Answer: Conservation of forests

Question 14 : Which of the following was not a method adopted by Saminists?

• a) Flogging the Dutch
• b) Refusing to perform labor
• c) Refusing to pay taxes and fines
• d) Lying down on the land

Answer: Flogging the Dutch

Question 15 : Fee paid by people from one village to another

• a) devsari
• b) Rent
• c) Grazing tax
• d) mand

Answer: devsari

NCERT MCQ ON NAZISM AND THE RISE OF HILTER

Question 1.
What was the destination of all ‘undesirables’ of the German Empire called?
(a) Land of ‘undesirables’
(b) Cursed land
(c) General government
(d) Land for the abnormals

Answer: (c) General government

Question 2.
Which of these were the reasons of Nazi hatred of the Jews?
(a) Jews had been stereotyped as killers of Christ
(b) They were ‘usurers’, i.e. moneylenders
(c) The Jews had always cheated the Nazis
(d) Both (a) and (b)

Answer: (d) Both (a) and (b)

Question 3.
When did the Second World War come to an end?
(a) January 1944
(b) May 1945
(c) June 1946
(d) August 1947

Answer: (b) May 1945

Question 4.
What was Nazi Ideology with regard to school children?
(a) He believed that education of children was not necessary
(b) A control should be kept over children both inside and outside school
(c) All children should be regarded as equal
(d) None of the above

Answer: (b) A control should be kept over children both inside and outside school

Question 5.
The Nuremburg laws of citizenship of 1935 stated that :
(a) Only persons of German or related blood would henceforth be German citizens
(b) Marriages between Jews and Germans were forbidden
(c) Jews were forbidden to fly the national flag
(d) All the above

Answer: (d) All the above

Question 6.
What was the process of Nazi schooling for ‘Good German children’?
(a) Racial science was introduced to justify Nazi ideas of race
(b) School textbooks were rewritten
(c) Even the function of sports was to nurture a spirit of violence and aggression among children
(d) All the above

Answer: (d) All the above

Question 7.
What was the thinking of Nazi Germany about women?
(a) The fight for equality between men and women was wrong
(b) Girls had to maintain the purity of the race and teach their children Nazi values
(c) Their role was to be of mothers who had to be bearers of the Aryan culture and race
(d) All the above

Answer: (d) All the above

Question 8.
In which country did Nazi Germany first try its experiment of ‘concentration of Germans in one area’?
(a) Poland
(b) France
(c) Czechoslovakia
(d) England

Answer: (a) Poland

Question 9.
Who wrote ‘Mein Kampf’?
(a) Herbert Spencer
(b) Charles Darwin
(c) Adolf Hitler
(d) Goebbels

Answer: (c) Adolf Hitler

Question 10.
What was ‘Jungvolk’ in Nazi Germany?
(a) Magazine
(b) Holocaust camp
(c) Youth organization
(d) Schools

Answer: (c) Youth organization

Question 11.
Who among the following was assigned the responsibility of economic recovery by Hitler?
(a) Goebbels
(b) Hindenburg
(c) Hjalmar Schacht
(d) Adam Smith

Answer: (c) Hjalmar Schacht

Question 12.
In Germany students between 10-14 years of Age had to join an organization named :
(a) Jungvolk
(b) Hitler’s youth
(c) Volkswogan
(d) Young Nazi Party

Answer: (b) Hitler’s youth

Question 13.
In context of Germany what was ‘Holocaust’?
(a) Nazi propaganda
(b) Nazi Honour Crosses
(c) Nazi killing operations
(d) A Nazi School

Answer: (c) Nazi killing operations

Question 14.
What did the term ‘Evacuation’ mean?
(a) Living in separately marked areas called ghettos
(b) Deporting people to gas chambers
(c) Arrested without any legal procedures
(d) Detained without due process of law

Answer: (b) Deporting people to gas chambers

Question 15.
What was the name given to gas chambers by Nazis?
(a) Killing Machine
(b) Solution Areas
(c) Revolutionary Ground
(d) Disinfection Areas

Answer: (d) Disinfection Areas

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NCERT MCQ ON SOCIALISM IN EUROPE AND THE RUSSIAN REVOLUTION

Question 1. Russian peasants were different from other European peasants because:
(a) They had no respect for the nobility
(b) They pooled their land together
(c) They were not different
(d) both (a) and (b)

Answer :  D

Question 2. At the beginning of the 20th century, the majority of Russian people worked in the:
(a) Industrial sector
(b) Agricultural sector
(c) Mining sector
(d) Transport sector

Answer :  B

Question 3. Which of the following statement (s) is/are correct regarding what the ‘liberals’ wanted?
(a) Not to tolerate all the religions
(b) To oppose uncontrolled power of dynastic rulers
(c) Universal adult franchise
(d) Government appointed by the king

Answer :  B

Question 4. Who was the leader of the Bolshevik Party?
(a) Karl marx
(b) Stalin
(c) Lenin
(d) Louis Blanc

Answer :  B

Question 5. What was the main occupation of the people of Russia in the beginning of the 20th century?
(a) Manufacturing
(b) Fishing
(c) Poultry
(d) Agriculture

Answer :  D

Question 6. Who was the successor of Lenin?
(a) Stalin
(b) Kerensky
(c) Trotsky
(d) Robert Owen

Answer :  A

Question 7. What made aristocracy unpopular in Russia?
(a) The German origin of Tsarina
(b) Poor advisors like Monk Rasputin
(c) The huge cost of fighting world war 1
(d) A & B

Answer :  D

Question 8.Who conspired in Italy to bring about a revolution?
(a) Bismarck
(b) Karl Marx
(c) Giuseppe Mazzini
(d) None

Answer :  C

Question 9. Whom did Russia fight against in World War 1?
(a) Britain and France
(b) Germany and Austria
(c) America
(d) Britain

Answer :  B

Question 10. Which of the following was not a feature of the October Manifesto?
(a) Freedom of speech, press and association
(b) Power to make laws conferred on the Duma
(c) Authority of the Tsar was reduced
(d) Final decision-making power was vested in the Tsar

Answer :  D

Question 11.The people who wanted to put an immediate end to the existing governments in Europe (In 1815) were called:
(a) Nationalists
(b) liberals
(c) revolutionaries
(d) radicals

Answer :  C

Question 12. How can you say that the ‘liberals’ were not ‘democrats’?
(a) They did not believe in universal adult franchise
(b) They felt that only men of property should have a right to vote
(c) Women should not have right to vote
(d) All the above

Answer :  D

Question 13. Why did the Tsar dismiss the first Duma within 75 days of its election?
(a) Because it was incapable of taking good decisions
(b)Because the Tsar did not want anyone to question his authority
(c) The term of first Duma was of 75 days only
(d) None of the above

Answer :  B

Question 14. On 27th February 1917, soldiers and striking workers gathered to form a council called
(a) Soviet Council
(b) Petrograd Soviet
(c) Moscow Union
(d) Russian Council

Answer :  B

Question 15. Who started ‘Collectivization Programme’ in Russia?
(a) Lenin
(b) Karl Marx
(c) Rasputin
(d) Stalin

Answer :  D

NCERT MCQ ON THE FRENCH REVOLUTION

Question 1.
Who said: The task of representing the people has been given to the rich?
(a) Mirabeau
(b) Jean-Paul Marat
(c) Rousseau
(d) Georges Denton

Answer: (b) Jean-Paul Marat

Question 2.
The National Assembly framed a Constitution in 1791 to limit the powers of the
(a) monarch
(b) wealthy man
(c) businessmen
(d) press

Answer: (a) monarch

Question 3.
Who wrote an influential pamphlet What is the third Estate’?
(a) Mirabeau
(b) Abbe Sieyes
(c) Jean-Paul Marat
(d) Olympe de Gouges.

Answer: (b) Abbe Sieyes

Question 4.
Which group of people did not join the Jacobin club?
(a) Artisans
(b) Shopkeepers
(c) Daily-wage workers
(d) Men with property

Answer: (d) Men with property

Question 5.
French women demanded the right:
(a) to vote
(b) to be elected to the assembly
(c) to hold political office
(d) all of the above

Answer: (d) all of the above

Question 6.
A triangular slave trade took place between Europe, the Americas and:
(a) Africa
(b) Asia
(c) Australia
(d) none of the above

Answer: (a) Africa

Question 7.
Upon becoming free, the slave wore:
(a) blue cap
(b) white cap
(c) red cap
(d) green cap

Answer: (c) red cap

Question 8.
Who were not considered ‘passive citizens’?
(a) Women
(b) children
(c) Non-propertied men
(d) wealthy people

Answer: (d) wealthy people

Question 9.
The Third Estate comprised
(a) Poor servants and small peasants, landless laborer’s
(b) Peasants and artisan
(c) Big businessmen, merchants, lawyers etc.
(d) All the above

Answer: (d) All the above

Question 10.
Which of the following decisions was taken by the convention
(a) Declared France a constitutional monarchy
(b) Abolished the monarchy
(c) All men and women above 21 years got the right to vote
(d) Declared France a Republic

Answer: (d) Declared France a Republic

Question 11.
How does a ‘Subsistence Crisis’ happen?
(a) Bad harvest leads to scarcity of grains
(b) Food prices rise and the poorest cannot buy bread
(c) Leads to weaker bodies, diseases, deaths and even food riots
(d) All the above

Answer: (d) All the above

Question 12.
Which of the following statements is untrue about the Third Estate
(a) The Third Estate was made of the poor only
(b) Within the Third Estate some were rich and some were poor
(c) Richer members of the Third Estate owned lands
(d) Peasants were obliged to serve in the army, or build roads

Answer: (a) The Third Estate was made of the poor only

Question 13.
A guillotine was ____________________
(a) A device consisting of two poles and a blade with which a person was beheaded
(b) A fine sword with which heads were cut off
(c) A special noose to hang people
(d) none of the above

Answer: (a) A device consisting of two poles and a blade with which a person was beheaded

Question 14.
The word livres stands for:
(a) unit of currency in France
(b) tax levied by the Church
(c) Tax to be paid directly to the state
(d) none of these

Answer: (a) unit of currency in France

Question 15.
What was the ‘Subsistence Crisis’ which occurred frequently in France?
(a) An extreme situation endangering the basic means of livelihood
(b) Subsidy in food grains
(c) Large-scale production of food grains
(d) None of the above

Answer: (a) An extreme situation endangering the basic means of livelihood

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NCERT MCQ ON IMPROVEMENT IN FOOD RESOURCES

1.) We get proteins, carbohydrates, fats, vitamins from

a) DNA

b) RNA

c) Food

d) Water

Answer-Food

2.) Newspapers made from

a) proteins

b) cellulose

c) carbohydrates

d) vitamins

Answer-Cellulose

3.) White revolution is deals with

a) Agriculture

b) Milk production

c) Indigo production

d) Rice production

Answer-Milk production

4.) Green revolution happened on

a) Agricultural production

b) Milk production

c) Indigo production

d) Rice production

Answer-Agricultural production

5.) Rice, maize, sorghum, provides us ………………… for energy requirement

a) Proteiens

b) Carbohydrates

c) Vitamins

d) Amino acids

Answer-Carbohydrates

6.) Vegetables, fruits, spices provides us

a) Crabohydrates

b) Vitamins

c) Amino acids

d) Proteiens

Answer-Vitamins

7.) To grow different- different crops they requires some specific conditions like………….

a) Climatic conditions, temperature

b) Photoperiods

c) A and b

d) Manure

Answer-A and b

8.) Plants manufacture there food with the help of

a) Oxygen, sunlight, water

b) CO2, Oxygen, sunlight

c) Water, sunlight, CO₂

d) Oxygen, sunlight

Answer-Water, sunlight, CO₂

9.) There are some crops which are grown in rainy season called………………

a) Kharif season

b) Rabi season

c) a and b

d) none of the above

Answer-Kharif season

10.) Some of the are grown in the winter season called

a) Kharif season

b) Rabi season

c) a and b

d) none of the above

Answer-Rabi season

11.)  It is not way to improve crop

a) by incorporation of gene

b) inter varietal

c) inter specific

d) inter changeable fertilizers

Answer-inter changeable fertilizers

12.)  Factor which does not increase productivity of crop

a) improved quality

b) biotic resistance

c) change in fertilizers

d) change in maturity duration

Answer-change in fertilizers

13.) Plants needs ……………… for grow themselves

a) Proteins

b) Vitamins

c) Serials

d) Nutrients

Answer-Nutrients

14.) Soil supplies ………………. Nutrients to plants

a) 11

b) 12

c) 13

d) 14

Answer- 14

15.) Macronutrients found in soil

a) N, C, Ca, Hg, Pb

b) N, P, K, Mg, S

c) N, C, Ga

d) K, Mg, S, C, Ga

Answer-N, P, K, Mg, S

NCERT MCQ ON NATURAL RESOURCES

1.) Outer crust of earth is called

a) Outer sphere

b) Lithosphere

c) Hydrosphere

d) None of them

Answer-Lithosphere

2.) Water occupies earth surface called

a) Outer sphere

b) Lithosphere

c) Hydrosphere

d) Hemisphere

Answer-Hydrosphere

3.) Air covers the whole earth which we called

a) Atmosphere

b) Lithosphere

c) Hydrosphere

d) Hemisphere

Answer- Atmosphere

4.) Hydrosphere and lithosphere interact and makes life possible is known as…………….

a) Lithosphere

b) Hydrosphere

c) Hemisphere

d) Biosphere

Answer-Biosphere

5.) Air, water, and soil is…………………….. component

a) Biotic component

b) Abiotic component

c) A and b both

d) None of them

Answer-Abiotic component

6.) Carbon dioxide is important for

a) Respiration in human being

b) Circulation of human being

c) Transportation of plant

d) Photosynthesis of plant

Answer-Photosynthesis of plant

7.) More oxygen cause

a) Saves life

b) Saves forest

c) Forest fire

d) None of them

Answer-Forest fire

8.) Green plants converts carbon dioxide into glucose in presence of

a) Air

b) Rain

c) Sunlight

d) None of them

Answer-Sunlight

9.) Many marine animals use carbonates dissolved in sea water to make their

a) Shells

b) Cover

c) Hard plastic

d) None of them

Answer-Shells

10.) Air is …………………… conductor of heat

a) Good

b) Bad

c) More

d) Less

Answer-Bad

11.) Water is ……………….. conductor of heat

a) Good

b) Bad

c) More

d) Less

Answer-Good

12.) Water get………………by applying heat

a) Sublimated

b) Heated

c) Evaporated

d) None of them

Answer-Evaporated

13.) Water droplets which present in sky get precipitate and form

a) Rain

b) Snow

c) Clouds

d) A and c both

Answer-Snow

14.) Dangerous gaseous whose responsible for air pollution

a) Oxides of nitrogen and sulphur

b) Oxides of carbon and hydrogen

c) Oxides of gallium and scandium

d) Oxides of aluminum and oxygen

Answer-Oxides of nitrogen and sulphur

15.) Unburnt carbon particles called

a) Black carbon

b) Hydrocarbon

c) Pure carbon

d) None of them

Answer-Hydrocarbon

NCERT MCQ ON WHY DO WE FALL ILL?

Q1. Which one of the following is dangerous for individual health
(a) Open drainage
(b) Garbage throw in streets streets
(c) Stagnant water around our living
(d) All of these

Answer: All of these

Q2. Which one of the following diseases is spread by microbes
(a) High blood pressure
(b) Peptic ulcer
(c) Sleeping sickness
(d) Diabetes

Ans: Sleeping sickness

Q3. Antibiotic work against
(a) Virus
(b) Elephantiasis
(c) Bacteria
(d) Dengue

Answer: Bacteria

Q4. Penicillin kills bacteria but not our cells because
(a) Our cell are immune to penicillin
(b) Penicillin blocks formation of cell wall
(c) Our cells do not from cell wall
(d) None of the above

Answer: Our cells do not from cell wall

Q5. The disease which is transmitted by sexual contact is
(a) Malaria
(b) Syphilis
(c) Elephantiasis
(d) Kala azar

Answer: Syphilis

Q6. AID is caused by
(a) A worm
(b) Bacteria
(c) Virus
(d) Protozoan

Answer: Virus

Q7. Which one of the following disease an infected mother can transmit through breast feeding to her baby
(a) Malaria
(b) Kala azar
(c) AIDS
(d) Elephantiasis

Answer: AIDS

Q8 infectious disease spread through
(a) Air
(b) Physical contact
(c) Water
(d) All of these

Answer: All of these

Q9.Some diseases last for long time, even as much as life time. Such diseases are termed
(a) Chronic
(b) Subacute
(c) Acute
(d) Non-infectious

Answer: Subacute

Q10. Diseases where microbes are the
immediate causes are called
(a) Acute
(b) Infectious
(c) Non-infectious
(d) Chronic

Answer: Infectious

Q11. Who were awarded Nobel prize for discovery of peptic ulcer causing bacteria helicobacter pylori
(a) Marshall
(b) Leeuwenhoek
(c) Warren
(d) Both a and C

Answer: Both a and C

Q12. Which of the following bacteria can cause
(a) Spirillum
(b) Cocci
(c) Bacillus
(d) Staphylococci

Answer: Staphylococci

Q13. Which one of the following is not a common disease caused by viruses
(a) Common cold
(b) Typhoid
(c) Dengue fever
(d) Influenza

Answer: Typhoid

Q14. Which of the following is caused by fungi
(a) Skin infection
(b) Eczema
(c) cold and cough
(d) Loose motion

Answer: Skin infection

Q15. Which one of the following is not a viral disease
(a) Common cold
(b) Dengue fever
(c) Influenza
(d) Anthrax

Answer: Anthrax

NCERT MCQ ON SOUND

Question 1.
For hearing a distinct sound, the time interval between the original sound and the reflected one must be at least:
(a) 1 s
(b) 0.1 s
(c) 2 s
(d) 0.2 s

Answer: (b) 0.1 s

Question 2.
The persistence of sound in an auditorium is the result of repeated reflections of sound and is called:
(a) reverberation
(b) audible
(c) distinct sound
(d) reflection

Answer: (a) reverberation

Question 3.
The speed v, frequency υ, and wavelength λ, of sound are related by the equation:
(a) v = λυ
(b) υ = λv
(c) λ = υv
(d) v = λυ

Answer: (a) v = λυ

Question 4.
The speed of sound is maximum in:
(a) solids
(b) liquids
(c) gases
(d) All of these

Answer: (a) solids

Question 5.
Our ears are sensitive to sound frequencies between:
(a) 20 Hz to 20 kHz
(b) 2 Hz to 20 Hz
(c) 20 kHz to 200 kHz
(d) 2000 kHz to 20000 kHz

Answer: (a) 20 Hz to 20 kHz

Question 6.
Which of the following waves are produced by bats?
(a) Infrasonic waves
(b) Ultrasonic waves
(c) Audible waves
(d) All of these

Answer: (b) Ultrasonic waves

Question 7.
Maximum tolerable sound is:
(a) 0 dB
(b) 10 dB
(c) 60 dB
(d) 120 dB

Answer: (d) 120 dB

Question 8.
Sound waves are:
(a) magnetic waves
(b) electric waves
(c) electromagnetic waves
(d) mechanical waves

Answer: (d) mechanical waves

Question 9.
In SONAR, we use:
(a) ultrasonic waves
(b) infrasonic waves
(c) radio waves
(d) audible sound waves

Answer: (a) ultrasonic waves

Question 10.
Sound travels in the air if:
(a) particles of medium travel from one place to another
(b) there is no mixture in the atmosphere
(c) disturbance moves
(d) both particles as well as disturbance travel from one place to another

Answer: (c) disturbance moves

Question 11.
When we change feeble sound to loud sound we increase its:
(a) frequency
(b) amplitude
(c) velocity
(d) wavelength

Answer: (b) amplitude

Question 12.
In the curve half the wavelength is:

(a) AB
(b) BD
(c) DE
(d) AE

Answer: (b) BD

Question 13.
An earthquake produces which kind of sound before the mainshock wave begins:
(a) ultrasound
(b) infrasound
(c) audible sound
(d) None of the above

Answer: (b) infrasound

Question 14.
Infrasound can be heard by:
(a) dog
(b) bat
(c) rhinoceros
(d) human beings

Answer: (c) rhinoceros

Question 15.
Sound travels as a _______ wave through a material medium.

(a) transverse
(b) longitudinal
(c) zigzag
(d) straight line

Answer: (b) longitudinal

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