NEET 2011 Biology question

Not in NEET syllabus

Which one of following pairs of gases are the major cause of "Greenhouse effect" ?

(1) and
(2) and CO
(3)CFCs and
(4) and Correct

Answer: (4)

Solution

The major greenhouse gases are carbon dioxide (about 60% of the effect), methane (about 20%), CFCs (about 14%) and nitrous oxide (about 6%). Among the options, and are both greenhouse gases. Ozone

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Question ID VK-090842