JEE Main 2021 · ChemistryMultiple choiceOtherMediumRecall

JEE Main 18 March 2021, Shift 1, Chemistry Q41

Question 41 of 90 in this shift, Chemistry question 11 of 30, Section A.

The statements that are TRUE : (A) methane leads to both global warming and photochemical smog (B) methane is generated from paddy fields (C) methane is a stronger global warming gas than

\mathrm{CO_2}

(D) methane is a part of reducing smog. Choose the most appropriate answer from the options given below :

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

Official answer

Option 2

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
16 Mar 2021, Shift 2 · Q40The green house gas/es is (are ) : (A) Carbon dioxide (B) Oxygen (C) Water vapour (D) Methane Choose the most appropriate answer from the…EasyOther
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.