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Zoology - Biodiversity and its Conservation Practice Question Paper

12th Standard

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Biology

Time : 01:00:00 Hrs
Total Marks : 40
    8 x 1 = 8
  1. Who introduced the term biodiversity?

    (a)

    Edward Wilson

    (b)

    Walter Rosen

    (c)

    Norman Myers

    (d)

    Alice Norman

  2. The grizzled squirrel and lion tailed Macaque are endemic to _____________

    (a)

    Semi-Arid zone

    (b)

    Indian Desert

    (c)

    Western Ghats

    (d)

    Eastern Ghats

  3. ________ is not a hotspot in India.

    (a)

    Sunderbans

    (b)

    Pichavaram

    (c)

    Himalayas

    (d)

    Western Ghats

  4. Mundanthurai wild life sanctuary is located in ___________ district.

    (a)

    Coimbatore

    (b)

    Tirunelveli

    (c)

    Kancheepuram

    (d)

    Nagapattinam

  5. Which of the following denotion is correct regarding increasing diversity?

    (a)

    Poles < Equator

    (b)

    Equator < Pole

    (c)

    Pole = Equator

    (d)

    Latitude = Longitude

  6. Wild ass is endemic to____________

    (a)

    Western Ghats

    (b)

    Deccan Peninsula

    (c)

    Himalayas

    (d)

    Indian desert

  7. 1 x 1 = 1
  8. (i) Mass extinction takes place because of human activities.
    (ii) Hotspots have very poor species diversity.
    (iii) Co-extinction is mutual relationship between two organisms.
    (iv) The African Apple Snail is an invasive species spotted in Andaman for the first time.
    (a) i only
    (b) ii and iv
    (c) iii
    (d) iv only

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    (d) iv only

  9. 1 x 2 = 2
  10. assertion: The organization of an ecosystem depends on richness of biodiversity.
    Reason: Biodiversity helps to maintain balance between biotic components.
    Codes:
    A. If both A and R are true and R is correct explanation for A.
    B. If both A and R are true but R is not the correct explanation for A.
    C. If A is true but R is false.
    D. If both A and R are false

  11. 1 x 2 = 2
  12. (a) National park
    (b) Botanical garden
    (c) Wild life sanctuary
    (d) Biosphere reserve

  13. 1 x 2 = 2
  14. (i) Western Ghats Hotspot
    (ii) Mealy Bug Papaya
    (iii) Tilapia Kerala
    (iv) Araucaria Dodo

    (a) ii and iii
    (b) iv
    (c) i and iii
    (d) ii

  15. 3 x 2 = 6
  16. Name the active chemical found in the medicinal plant Rauwolfia vomitoria. What type of diversity it belongs to?

  17. What is the role of Didofenac?

  18. What is the goal of "Project Tiger"?

  19. 3 x 3 = 9
  20. Where are biodiversity hotspots normally located? Why?

  21. What are the reasons for decline in sparrows population?

  22. State the principle of Stockholm declaration - 1972.

  23. 2 x 5 = 10
  24. ‘Stability of a community depends upon its species diversity’ Justify the statement.

  25. Explain in detail about various types of extinctions.

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