Zoology - Environmental Issues Model Question Paper

12th Standard EM

    Reg.No. :
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Biology

Time : 02:00:00 Hrs
Total Marks : 50
    10 x 1 = 10
  1. Right to Clean Water is a fundamental right, under the Indian Constitution

    (a)

    Article 12

    (b)

    Article 21

    (c)

    Article 31

    (d)

    Article 41

  2. The ‘thickness’ of Stratospheric Ozone layer is measured in/on:

    (a)

    Sieverts units

    (b)

    Dobson units

    (c)

    Melson units

    (d)

    Beaufort Scale

  3. As per 2017 statistics, the highest per capita emitter of Carbon dioxide in the world is

    (a)

    USA

    (b)

    China

    (c)

    Qatar

    (d)

    Saudi Arabia

  4. The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as

    (a)

    Biomagnification

    (b)

    Bioremediation

    (c)

    Biomethanation

    (d)

    Bioreduction

  5. Which among the following always decreases in a Food chain across tropic levels?

    (a)

    Number

    (b)

    Accumulated chemicals

    (c)

    Energy

    (d)

    Force

  6. SMOG is derived from :

    (a)

    Smoke

    (b)

    Fog

    (c)

    Both A and B

    (d)

    Only A

  7. Excess of fluoride in drinking water causes:

    (a)

    Lung disease

    (b)

    Intestinal infection

    (c)

    Fluorosis

    (d)

    None of the above

  8. __________ is an example for a non persistant pollutant.

    (a)

    DDT

    (b)

    Vegetable waste

    (c)

    Plastic

    (d)

    Mercury

  9. The tolerable level of sound is _____________

    (a)

    140 db

    (b)

    120 db

    (c)

    100 db

    (d)

    2220 db

  10. Kyoto protocol was held in Japan in ________________

    (a)

    1995

    (b)

    1997

    (c)

    2012

    (d)

    2017

  11. 5 x 1 = 5
  12. Undesirable change in the environment _____________

    ()

    pollution

  13. An example for a nondegradable pollutant ___________

    ()

    mercury

  14. An agricultural scientist who was an expert is organic forming _____________

    ()

    G. Nammalvar

  15. A major chemical substance which is the basis of e-waste ____________

    ()

    PCB (polychorinated biphenyl)

  16. The Bishnoi villages had ________ trees

    ()

    Khejri

  17. 5 x 1 = 5
  18. DEET

  19. (1)

    Particulate matter

  20. Ecoson

  21. (2)

    Colour

  22. Flyash

  23. (3)

    Drycomposting

  24. AEGI

  25. (4)

    Allergen

  26. Institutional

  27. (5)

    Electronics

    4 x 2 = 8
  28. Expand
    (i) CFC
    (ii) AQI
    (iii) PAN

  29. What is SMOG and how it is harmful for us?

  30. Discuss the causes and effects of global warming. What measures need to be taken to control global warming?

  31. Write notes on the following:
    a. Eutrophication
    b. Algal Bloom

  32. 4 x 3 = 12
  33. How can we control eutrophication?

  34. Mention the causes of enhanced use of ultraviolet radiation

  35. Discuss the role of an individual to reduce environmental pollution.

  36. What is PAN?

  37. 2 x 5 = 10
  38. What is the primary purpose of the Kyoto Protocol?

  39. How does forest conservation help to reduce air pollution?

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