MCQ on Biodiversity and Conservation with Answers

 

1. Maintenance which biome requires grazing and periodic fire. It is

(a) scrub forest

(b) grassland

(c) tropical/temperate deciduous forest

(d) taiga

Ans. b

2. In India, per capita forest cover is

(a) 1.06 hac 

(b) 0.06 hac

(c) 0.6 hac

(d) 1,6 hac

Ans. b

3. Deforestation generally decreases

(a) rainfall 

(b) drought

(c) global warming

(d) soil erosion

Ans. a

4. Renewable source of energy is

(a) petroleum 

(b) coal

(c) trees

(d) nuclear fuel

Ans. c

5. Most biodiversity zones are

(a) Western Ghats and North-East region

(b) Deccan Peninsula and Sunderbans

(c) Semi-arid Zone and North-East region

(d) Andaman and Nicobar Islands

Ans. a

6. The key criteria for determining a hot spot are

(a) biological augmentation

(b) disruption of interaction networks

(c) number of endemic species and degree of threat

(d) habitat destruction

Ans. c

7. Silent valley of Kerala is preserved because

(a) it contains very rare species of plants and animals

(b) the soil is rich in minerals

(c) the areas of land were used extensively for agricultural purposes

(d) it has pine trees

Ans. a

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8. Estuaries are

(a) freshwater wetlands

(b) salt water wetland

(c) least productive ecosystems

(d) None of the above

Ans. b

9. Forest area in India is about

(a) 9% 

(b) 19%

(c) 29%

(d) 50%

Ans. b

10. The integration of several sciences such as ecology and genetics to sustain biological diversity at all levels is known as

(a) conservation biology

(b) restoration ecology 

(c) ecology

(d) bioremediation

Ans. a

11. Swamps differ from marshes in having

(a) grasses 

(b) floating leaves plants

(c) trees and shrubs

(d) None of these

Ans. c

12. What percentage of national forest policy envisages for cover for the hills?

(a) 33% 

(b) 45%

(c) 67%

(d) 51%

Ans. c

13. Which of the following factors does not play role in increasing biodiversity?

(a) Complex population interactions

(b) Introduced species

(c) A higher degree of habitat heterogeneity

(d) Narrower niches

Ans. b

14. The three levels of biodiversity are

(a) genetic, species and biome

(b) molecular, species and biome

(c) genetic, population and ecosystem

(d) genetic, species and ecosystem

Ans. d

15. Wetland of world occupies land about

(a) 6%

(b) 10%

(c) 12%

(d) 14%

Ans. a

16. National forest policy was enunciated in  

(a) 1972

(b) 1978

(c) 1982

(d) 1988

Ans. d

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17. Mild grazing in grassland

(a) stimulates growth of grasses

(b) arrests growth of grasses

(c) retards its growth

(d) destroys vegetation

Ans. a

18. Dodo of Mauritius became extinct due to the

(a) over-exploitation 

(b) habitat destruction

(c) global warming

(d) predation

Ans. a

19. Important function of wetland is

(a) recycling of groundwater

(b) controlling floods

(c) purify run-off water

(d) All of these

Ans. d

20. Soil erosion can be prevented by

(a) deforestation 

(b) afforestation

(c) overgrazing

(d) vegetation removal

Ans. b

21. Total land available for grazing in India is

(a) 23%

(b) 29%

(c) 31%

(d) 37%

Ans. a

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22. The state which have all the three species of crocodile and  started saving crocodile project is

(a) Uttar Pradesh

(b) Karnataka

(c) Kerala

(d) Maharashtra

Ans. a

23. The convention on biological diversity consists of

(a) 45 articles 

(b) 42 articles

(c) 52 articles

(d) 75 articles

Ans. b

24. The number of ecological hot spots in world is

(a) 14 

(b) 16

(c) 20

(d) 34

Ans. d

25. Recently extinct bird is

(a) Carolina parakeet 

(b) peacock

(c) Kirtland’s warbler

(d) reed bunting

Ans. a

26. Buffer zone of biosphere reserve is where

(a) no human activity is allowed

(b) human activity is limited

(c) free human activity occurs

(d) wild animals are absent

Ans. b

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27. Earth Summit of Rio de Janerio (1992) resulted in

(a) compilation of red list

(b) establishment of biosphere reserves

(c) conventions on biodiversity

(d) IUCN

Ans. c

28. The term hot spots for high diversity ecological region was coined by

(a) IUCN

(b) Myer

(c) Odum

(d) Kormandy

Ans. b

29. Which of the following is classified as B-diversity?

(a) Habitat diversity 

(b) Ecosystem diversity

(c) Resource diversity

(d) Species diversity

Ans. b

30. Rare endangered and endemic taxa can be found intact and flourishing in

(a) sacred groves 

(b) buffer zones

(c) tropical forests

(d) temperate forests

Ans. a

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31. Which example below is not a threat to biodiversity?

(a) Habitat destruction

(b) Bioremediation

(c) Introduced species

(d) Over-exploitation

Ans. b

32. The integration of several sciences such as ecology and genetics to sustain biological diversity at all levels is known as

(a) conservation biology 

(b) restoration ecology

(c) ecology

(d) bioremediation

Ans. a

33. The key criteria for determining a hot spot are

(a) biological augmentation

(b) disruption of interaction networks

(c) number of endemic species and degree of threat

(d) habitat destruction

Ans. c

34. First National Park of India was

(a) Panna National Park

(b) Jim Corbett National Park

(c) Kaziranga National Park

(d) Satpura National Park

Ans. b

35. Gir sanctuary is mainly for

(a) rhino 

(b) tiger

(c) lion

(d) elephant

Ans. c

36. WCU is

(a) World Conservation Union

(b) Wide Conservation Union

(c) World Conserve Union

(d) None of these

Ans. b

37. Convention of biodiversity came into force on

(a) 29 December, 1993 

(b) 6 June, 1992

(c) 3 October, 1994

(d) 4 October, 1993

Ans. a

38. 34 hot spots of the world occupy an area of about

(a) 12%

(b) 8%

(c) 10%

(d) 15.7

Ans. d

39. Arboretum is

(a) a forest patch

(b) a piece of social forestry

(c) botanical garden with trees and shrubs

(d) botanical garden with cacti and herbs

Ans. c

40. A sacred lake is

(a) Dal lake

(b) Khecheopalri lake of Sikkim

(c) Suraj Khand lake

(d) Chilka lake

Ans. b