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
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