JEE Main 2021ChemistryEnvironmental ChemistryEasyMCQ

JEE Main 2021 — Environmental Chemistry Question with Solution

JEE Main 2021 (16 Mar Shift 2)

Question

The green house gas/es is (are):

(A) Carbon dioxide

(B) Oxygen

(C) Water vapour

(D) Methane

Choose the most appropriate answer from the options given below:

Choose an option

Show full solutionCorrect option: C
Correct answer
C(A), (C) and (D) only

Step-by-step explanation

Greenhouse effect, a warming of Earth's surface and troposphere (the lowest layer of the atmosphere) caused by the presence of water vapour, carbon dioxide, methane, and certain other gases in the air. Of those gases, known as greenhouse gases, water vapour has the largest effect.

The green house gases are CO2, H2Ovapour and CH4.

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About this question

This is a previous-year question from JEE Main 2021, covering the Environmental Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.