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Chapter: 12th Zoology : Biodiversity and its conservation

Biodiversity and its conservation: Evaluation

Zoology : Biodiversity and its conservation - Important Questions and choose the correct answer - Zoology

Evaluation

 

1. Which of the following regio n has maximum biodiversity

a) Taiga

b) Tropical forest

c) Temperate rain forest

d)Mangroves

 

2. Conservation of biodiversity within their natural habitat is

a) Insitu conservation

b) Exsitu conservation

c) In vivo conservation

d) In vitro conservation

 

3. Which one of the following is not coming under insitu conservation

a) Sanctuaries

b) Natural parks

c) Zoological park

d) Biosphere reserve

 

4. Which of the following is considered a hotspots of biodiversity in India

a) Western ghats

b) Indo-gangetic plain

c) Eastern Himalayas 

d) A and C

 

5. The organization which published the red list of species is

a) WWF 

b) IUCN

c) ZSI 

d) UNEP

 

6. Who introduced the term biodiversity?

a) Edward Wilson

b) Walter Rosen

c) Norman Myers

d) Alice Norman

 

7. Which of the following forests is known as the lungs of the planet earth?

a) Tundra forest

b) Rain forest of north east India

c) Taiga forest

d) Amazon rain forest

 

8. Which one of the following are at high risk extinction due to habitat destruction

a) Mammals

b) Birds

c) Amphibians

d) Echinoderms

 

9. Assertion: The Environmental conditions of the tropics are favourable for speciation and diversity of organisms. Reason: The climate seasons, temperature, humidity and photoperiod are more or less stable and congenial.

a) Both Assertion and Reason are true and Reason explains Assertion correctly.

b) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

c) Assertion is true , but Reason is false.

d) Both Assertion and Reason are false.

 

10. Define endemism.

 

11. How many hotspots are there in India? Name them.

 

12. What are the three levels of biodiversity?

 

13. Name the active chemical found in the medicinal plant Rauwolfia vomitoria. What type of diversity it belongs to?

 

14. “Amazon forest is considered to be the lungs of the planet”-Justify this statement.

 

15. ‘Red data book’-What do you know about it?

 

16. Extinction of a keystone species led to loss of biodiversity – Justify.

 

17. Compare and Contrast the insitu and exsitu conservation.

 

18. What are called endangered species? Explain with examples.

 

19. Why do we find a decrease in biodiversity distribution, if we move from the tropics towards the poles?

 

20. What are the factors that drive habitat loss?

 

21. Where are biodiversity hotspots normally located? Why?

 

22. Why is biodiversity so important and worthy of protection?

 

23. Why do animals have greater diversification than plant diversity?

 

24. Alien species invasion is a threat to endemic species – substantiate this statement.

 

25. Mention the major threats to biodiversity caused by human activities. Explain.

 

26. What is mass extinction? Will you encounter one such extinction in the near future. Enumerate the steps to be taken to prevent it.

 

27. In north eastern states, the jhum culture is a major threat to biodiversity – substantiate.

 

28. List out the various causes for biodiversity losses.

 

29. How can we contribute to promote biodiversity conservation?

 

30. ‘Stability of a community depends upon its species diversity’ Justify the statement.

 

31. Write a note on i) Protected areas, ii) Wild life sanctuaries, iii) WWF.

 

Extra One mark Questions and Answers

 

1. Select the correct statement about biodiversity

a) Large scale planting of Bt cotton has no adverse effect on biodiversity.

b) Western Ghats have a very high degree of species richness and endemism

c) Conservation of biodiversity is just a fad pursued by the developed countries.

d) The desert areas of Rajasthan and Gujarat have a very high level of desert animal species as well as numerous rare animals.

 

2. Sacred groves are specially useful in

a) Preventing soil erosion

b) Year-round flow of water in rivers

c) Conserving rare and threatened species

d) Generating environmental awareness

 

3. The highest number of species in the world is represented by

a) Fungi

b) Mosses

c) Algae

d) Lichens

 

4. Which of the following is not used for ex situ plant conservation?

a) Field gene banks

b) Seed banks

c) Shifting cultivation

d) Botanical gardens

 

5. In which of the following both pairs have correct combination?

a) In situ conservation: National Park,

Ex situ conservation: Botanical Garden

b) In situ conservation: Cryopreservation,

Ex situ conservation: Wildlife Sanctuary

c) In situ conservation: Seed Bank,

Ex situ conservation: National park

d) In situ conservation: Tissue culture,

Ex situ conservation: Sacred groves

 

6. Cryopreservation of gametes of threatened species in viable and fertile condition can be referred to as

a) In situ conservation of biodiversity

b) Advanced ex situ conservation of biodiversity

c) In situ conservation by sacred groves

d) In situ cryo-conservation of biodiversity

 

7. The species confined to a particular region and not

found elsewhere is termed as

a) Alien

b) Endemic

c) Rare

d) Keystone

 

8. Which of the following National Parks is home to the famous musk deer or hangal?

a) Bandhavgarh National Park, Madhya Pradesh

b) Eaglenest Wildlife Sanctuary, Arunachal Pradesh

c) Dachigam National Park, Jammu & Kashmir

d) Keibul Lamjao National Park, Manipur



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