JEE Main 2021 — Environmental Chemistry Question with Solution
From: JEE Main 2021 (Online) 20th July Evening Shift
Question
Which one of the following gases is reported to retard photosynthesis?
Choose an option
Show full solutionCorrect option: D
Correct answer
DNO2
Step-by-step explanation
According to NCERT only NO2 from the given options can retard the photosynthesis process in plants.
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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.