JEE Main 2021 · ChemistryMultiple choiceOtherEasyRecall

JEE Main 16 March 2021, Shift 2, Chemistry Q40

Question 40 of 90 in this shift, Chemistry question 10 of 30, Section A.

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 :

(1)(A) only
(2)(A) and (C) only
(3)(A), (C) and (D) onlyOfficial answer
(4)(A) and (B) only

Official answer

Option 3

NTA final key.

Chapter: Environmental Chemistry
Topic: Environmental Chemistry
Idea tested: Greenhouse Effect

Same idea in other shifts

Asked 4× in all

13 Apr 2023, Shift 2 · Q71Which of the following are the Green house gases? A. Water vapour B. Ozone C. $\mathrm{I_2}$ D. Molecular hydrogen Choose the most…EasyOther
18 Mar 2021, Shift 1 · Q41The statements that are TRUE : (A) methane leads to both global warming and photochemical smog (B) methane is generated from paddy fields…MediumOther
8 Jan 2020, Shift 1 · Q38Among the gases (a) - (e), the gases that cause greenhouse effect are : (a) $\mathrm{CO_2}$ (b) $\mathrm{H_2O}$ (c) CFCs (d)…EasyOther

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.