Home Biology Ecosystem Previous Year Questions Which one of the following pairs of gases ar…
Biology Ecosystem Previous Year Questions Single Correct MCQ
Published on: August 14, 2026

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

A
CO 2 and O 3
B
CO 2 and CO
C
CFCs and SO 2
D
CO 2 and N 2 O

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Text Solution

Verified by Experts
The correct answer is:
D

Carbon dioxide ( CO 2 ) and Nitrous oxide ( N 2 O ) are two of the primary greenhouse gases that trap heat in the atmosphere. While CO 2 is the most abundant contributor, N 2 O is much more potent at trapping heat, though it is present in smaller amounts

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