Zoology - Environmental Issues Book Back Questions

12th Standard EM

    Reg.No. :
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Biology

Time : 00:45:00 Hrs
Total Marks : 30
    5 x 1 = 5
  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. 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

  3. 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

  4. The Ozone Day is observed every year on September 16 as on this day in 1987 the ___________was signed for launching efforts to arrest the depletion of the fragile ozone layer in the stratosphere that prevents the harmful ultra-violet rays of the sun from reaching the earth. Fill the correct word in blank.

    (a)

    Montreal Protocol

    (b)

    Geneva Protocol

    (c)

    Kyoto Protocol

    (d)

    Nagoya Protocol

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

    (a)

    Number

    (b)

    Accumulated chemicals

    (c)

    Energy

    (d)

    Force

  6. 3 x 2 = 6
  7. What is SMOG and how it is harmful for us?

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

  9. What would Earth be like without the greenhouse effect?

  10. 3 x 3 = 9
  11. Mention the causes of enhanced use of ultraviolet radiation

  12. Discuss the role of women in protection and conservation of forests.

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

  14. 2 x 5 = 10
  15. Describe how deforestation might contribute to global warming

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

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