Download PDF – Environmental Issues : Biology (Class 12th) Revision Test | MCQs for NEET

Environmental Issues : Biology (Class 12th) Revision Test | MCQs for NEET

Q1. Which chemical substance affects the Ozone Layer?

A) Chlorofluorocarbon

B) Chlorine

C) Hexafluorocarbon

D) Molecular Carbon

Answer: (A)

Chlorofluorocarbon affects the Ozone Layer.

Q2. In Ozone Degradation which element acts as catalyst?

A) Chlorine

B) Flurine

C) Oxygen

D) Potassium

Answer: (A)

Chlorine acts as catalyst in ozone degradation.

Q3. Ozone Layer is found in

A) Stratosphere

B) Lithosphere

C) Troposphere

D) Hemisphere

Answer: (A)

Ozone Layer is found in Stratosphere

Q4. Acid Rain comes under which type of pollution?

A) Water pollution

B) Air pollution

C) Soil pollution

D) Sound Pollution

Answer: (C)

Acid Rain comes under Soil pollution.

Q5. Environment (Protection) Act came into force in?

A) 1986

B) 1989

C) 1992

D) 1993

Answer: (C)

1992

Q6. Bhopal gas tragedy of 1884 took place because methyl isocyanate reacted with

A) DDT

B) Ammonia

C) CO2

D) Water

Answer: (C)

Bhopal gas tragedy of 1884 took place because methyl isocyanate reacted with CO2

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