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Environment In Relation To Human Welfare - Questions and Answers

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26. Secondary pollutant from car exhausts is
A. CO
B. CO₂
C. O₃
D. SO₂
Explanation:
27. A place where plants are grown in controlled condition is called
A. Green house effect
B. Green house
C. Atmosphere
D. Glass house
Explanation:
28. The source of origin of methane is
A. Cattle
B. Rice fields
C. Toilets
D. All the three
Explanation:
29. Bhopal gas tragedy was due to the leak of this gas
A. Chlorofluorocarbon
B. Methyl isocynate
C. Methane
D. Nitric oxide
Explanation:
30. Eyes and lungs are irritated by
A. NO
B. NO₂
C. N₂O
D. CH₄
Explanation: