Air-Effect of Pollutants (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 1 of 1

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Question number: 1

» Air » Effect of Pollutants

Appeared in Year: 2015

MCQ▾

Question

Which of the following adds to the carbon dioxide concentration in atmosphere?

(I) Volcanic action (II) Respiration

(III) Photosynthesis (1V) Decay of organic matter

Choices

Choice (4) Response

a.

(II) only

b.

(I), (II) and (IV) only

c.

(1), (II), (Ill) and (IV)

d.

(I) and (II) only

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