NCERT MCQ CLASS-12 CHAPTER-15 | BIOLOGY NCERT MCQ | BIODIVERSITY AND CONSERVATION | EDUGROWN

In This Post we are  providing Chapter-15 Biodiversity and Conservation  NCERT MCQ for Class 12 Biology which will be beneficial for students. These solutions are updated according to 2021-22 syllabus. These MCQS  can be really helpful in the preparation of Board exams and will provide you with a brief knowledge of the chapter.

NCERT MCQ ON BIODIVERSITY AND CONSERVATION

Question 1 :  Joint Forest Management Concept was introduced in India during

• a) 1980 s
• b) 1990 s
• c) 1970 s
• d) 1960 s

Answer :  1980 s

Question 2 :  Which is an example of an ex-situ conservation

• a) Seed bank
• b) National park
• c) Wildlife sanctuary
• d) Sacred groves

Answer :  Seed bank

Question 3 :  Which is not generally seen in biodiversity hotspots.

• a) Lesser interspecific competition
• b) Loss of diversity
• c) Species richness
• d) Species richness

Answer :  Lesser interspecific competition 

Question 4 : Which vertebrate group is more vulnerable to extinction?

a) Birds       b) Amphibians
c) Mammals d) Fishes

Answer : B

Question 5: From origin of life to its diversification on earth, there have occurred following number of episodes of mass extinction.

a) Two  b) Three
c) Four d) Five

Answer : D

 Question 6 : The ‘Evil Quartet’ of biodiversity loss, does not include

a) habitat loss
b) introduction of alien species
c) o-exploitation
d) hunting

Answer : D

Question 7 : Amazon rain forest, called the ‘Lungs of the Planet’, contribute following percentage of oxygen by photosynthesis, to earth atmosphere

a) 20% b) 35%
c) 42% d) 50%

Answer : A

Question 8: The taxa believed likely to join the endangered category in near future is called

a) Rare          b) Extinct
c) Vulnerable d) Living fossil

Answer : C

Question 9 : The Cichlid species of Lake Victoria were driven to, or nearly to, extinction by the introduction of _________. 

a) North American sturgeon
b) Nile perch
c) Eels
d) Bass

Answer : B

Question 10 : Which of the following is not currently a major cause of the global reduction in biodiversity?

a) Overexploitation
b) Global warming
c) Habitat destruction
d) Introduction of foreign predators and disease

Answer : B

Question 11: Which of the following is the most serious threat to biodiversity?

a) Competition from exotic species
b) Commercial harvesting
c) Habitat loss
d) Overexploitation

Answer : C

Question 12: Which of the following characteristics would cause a country to be considered a high-priority region for conservation efforts?

a) A high degree of endemism
b) Having low species richness
c) Having little natural habitat remaining
d) All of the above

Answer : A

Question 13: Which of the following is not the approach for in-situ conservation ?

a) Biosphere reserve  b) Sanctuary
c) Wild life safari park d) Sacred groove

Answer : C 

Question 14:  Among the ecosystem mentioned below, where can one find maximum biodiversity?

• a) Coral reefs
• b) Alpine meadows
• c) Desert
• d) Mangroves

Answer :  Coral reefs

Question 15 :  Which of the following forests is known as the ‘lungs of the planet Earth’?

• a) Amazon rain forest
• b) Tundra forest
• c) Tiaga forest
• d) Rain forests of North East India

Answer :  Amazon rain forest