Environmental Science Multiple Choice Questions (MCQs) Test with Answers.
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Q1. What causes the soil pollution?
(A) Industrial waste
(B) Acid rain
(C) Fertilisers
(D) Chemicals
Answer: (B) Acid rain
The main cause of soil pollution is acid rain.
Q2. Green house effect is mainly caused by:
(A) Carbon dioxide
(B) Nitrogen
(C) Ethane
(D) Oxygen
Answer: (A) Carbon dioxide
Green house effect is mainly caused by increasing quantity of carbon dioxide.
Q3. The ozone layer exists in:
(A) Troposphere
(B) Stratosphere
(C) mesosphere
(D) None of these
Answer: (B) Stratosphere
Q4. Plants get their nitrogen from:
(A) Air
(B) Water
(C) Soil
(D) Other plants
Answer: (C) Soil
Plants get their nitrogen from soil.
Q5. Deforestation generally increases:
(A) Rain fall
(B) Global warming
(C) Drought
(D) Both B and C
Answer: (D) Both B and C
Deforestation generally increases both global warming and drought.