Environment Science Questions and Answers - General Knowledge


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Topic: Environment Science Questions and Answers


  • ⇛ Environment Science Quiz

1.

What percentage of land area should remain covered by forest to maintain Ecological balance?

A. 10%.
B. 5%.
C. 33%.
D. None of these.

2.

Full form of CTBT is;

A. Comprehensive Nuclear-Test-Ban Treaty.
B. Comprehensive Test Bank Trust.
C. Comprehensive Trust Ban Treaty.
D. Comprehensive Test Ban Trusty.

3.

What is the full form of BOD?

A. Bactorial Oxygen Demand.
B. Biological Oxygen Demand.
C. Biological Oxide Demand.
D. None of these.

4.

How much percentage of nitrogen consist in Earth's Atmosphere?

A. 25%.
B. 12%.
C. 92%.
D. 78%.

5.

Full form of COD is;

A. Chemical Oxide Demand.
B. Chemical Oxygen Demand.
C. Chemical Ozone Demand.
D. None of these.

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