CBSE Class 11 Biology MCQs – Online Practice Test with Results

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Biodiversity — 30 Question Quiz

1. What is biodiversity?

2. Which level of biodiversity refers to differences among individuals of the same species?

3. Which of the following is an example of ecosystem diversity?

4. Why is biodiversity important for ecosystem services?

5. Which term describes species found only in a particular region and nowhere else?

6. Which index measures species richness and evenness in a community?

7. Which of the following is a major threat to biodiversity?

8. What does 'in situ' conservation mean?

9. Which of these is an example of ex situ conservation?

10. What is a biodiversity hotspot?

11. Which Indian region is recognised as a biodiversity hotspot?

12. Which international body maintains the Red List of Threatened Species?

13. What does species richness refer to?

14. Which practice can help conserve biodiversity at local level?

15. Which is an example of provisioning ecosystem services?

16. What is 'bioprospecting'?

17. Which term refers to non-native species that harm local biodiversity?

18. What is 'alpha diversity'?

19. Which agreement focuses on conserving biodiversity globally?

20. Which practice reduces biodiversity by over-exploitation?

21. What is a 'biosphere reserve' designed to do?

22. Which factor contributes to loss of pollinators affecting biodiversity?

23. Which term describes the total number of species in a region?

24. Which is NOT a benefit of conserving biodiversity?

25. Which action supports in situ biodiversity conservation in India?

26. What is 'beta diversity'?

27. Which practice helps restore degraded ecosystems?

28. Which Indian biodiversity hotspot includes the Eastern Himalaya?

29. How does climate change threaten biodiversity?

30. What is a simple action students can take to protect local biodiversity?

Biodiversity – Definition, Levels and Importance