NEET Biology MCQ | Class 12 Ecology | Environmental Issues Questions and Answers

1. Which of the following are most suitable indicators of SO2 pollution in the environment?

A) biotransformation

B) biogeochemical cycling



2. Which of the following is not one of the prime health risks associated with greater UV radiations through the atmosphere due to depletion of stratospheric ozone?

A) Damage to eyes

B)Increased liver cancer

C)increased skin cancer

D)Reduced Immune System

3. Rachel Carson’s famous book ‘ Silent Spring’ is related to

A)population explosion

B) ecosystem management

C) pesticide pollution

D) noise pollution

NEET Biology MCQ Class 12 Ecology  Environmental Issues Questions and Answers

4. A location with Luxuriant growth of lichens on that trees indicates that the

A) trees are very healthy

B) trees are heavily infested

C)location is highly polluted

D)location is not polluted

5.  The Zone of atmosphere in which the ozone layer is present is called

A) ionosphere

B) mesophere

C) stratosphere


6. A scrubber in the exhaust of a chemical industrial plant removes

A) gases like sulphur dioxide

B)particulate matter of the size 5 micrometer or above

C) gases like ozone and methane

D) particulate matter of the size 2.5 micrometer or less

7. Kyoto protocol was  endorsed at

A) CoP -6

B) CoP -4

C) CoP -3

D) CoP -5

8. Global warming can be controlled by

A) increased deforestation, slowing down the growth human population

B) increasing deforestation, reducing efficiency of energy usage

C)reducing deforestation, cutting down use of fossil fuel

D)reducing reforestation, increasing the use of fossil fuel

9. The Air pollution and Control of prevention act Came into force in





10. The second commitment period for Kyoto Protocol was decided at 

A) Durban 




Learn more: MCQ on  Environmental Issues


1. C)biomagnification

2. B)Increased liver cancer

3. C) pesticide pollution

4. D)location is not polluted

5. C) stratosphere

6. A) gases like sulphur dioxide

7. C) CoP -3

8. C)reducing deforestation, cutting down use of fossil fuel

9. D)1981

10. D)Doha 

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