Biodiversity MCQs

Option A: Many natural or semi-natural ecosystems

Option B: Some of which may be high biological diversity, are of considerable benefit to man

Option C: To role of forests in watershed regulation and stabilization of soils in erosion-prone areas

Option D: All of the above

Correct Answer: All of the above ✔

Option A: In-situ conservation

Option B: Ex-situ conservation

Option C: Why conserve biological diversity

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Food

Option B: Pharmaceuticals

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Genetic diversity

Option B: Species diversity

Option C: Ecosystem diversity

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Over hunting is perhaps the most obvious direct cause of extinction in animals, as it has affected several large and well-known species

Option B: Genetic diversity as represented by genetic differences between discrete populations with wild species, is liable to reduction as result of the same factors affecting species

Option C: A major, though at present largely unpredictable, change in natural environments is likely to occur within the next century as a result of large-scale changes in global climate and weather patterns

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Dioscuri

Option B: Taxus

Option C: Rauvolfia

Option D: Papaver

Correct Answer: Rauvolfia ✔

Option A: 834

Option B: 483

Option C: 533

Option D: 384

Correct Answer: 384 ✔

Option A: A contraction of biological diversity.

Option B: The range of variation or differences among

Option C: Some set of entities; biological diversity thus refers to variety within the living world

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Ecads

Option B: Ecotypes

Option C: Populations

Option D: Communities

Correct Answer: Ecotypes ✔

Option A: Fishes

Option B: Crabs

Option C: Birds

Option D: Mammals

Correct Answer: Fishes ✔

Option A: National parks and sanctuaries

Option B: Sanctuaries and biosphere reserves

Option C: National parks and biosphere reserves

Option D: All of these

Correct Answer: All of these ✔

Option A: Gamma diversity

Option B: Beta diversity

Option C: Community diversity

Option D: Ecosystem diversity

Correct Answer: Beta diversity ✔

Option A: Environmental pollution

Option B: Soil erosion

Option C: Afforestation

Option D: Increased urbanization

Correct Answer: Afforestation ✔

Option A: -196

Option B: 126

Option C: 206

Option D: -96

Correct Answer: -196 ✔

Option A: Corals

Option B: Gastropods

Option C: Fishes

Option D: Reptiles

Correct Answer: Corals ✔

Option A: Endangered

Option B: Critically endangered

Option C: Vulnerable

Option D: None of these

Correct Answer: Critically endangered ✔

Option A: Wild conservation unit

Option B: Wild conservation union

Option C: World communiction union

Option D: World conservation union

Correct Answer: World conservation union ✔

Option A: Food

Option B: Drug

Option C: Industrial use

Option D: Maintenance of ecosystem

Correct Answer: Maintenance of ecosystem ✔

Option A: Skin

Option B: Bones

Option C: Horn

Option D: Tusks

Correct Answer: Horn ✔

Option A: Species diversity

Option B: Alpha diversity

Option C: Beta diversity

Option D: Genetic diversity

Correct Answer: Alpha diversity ✔

Option A: Food

Option B: Industries

Option C: Drug

Option D: Aesthetics

Correct Answer: Drug ✔