JEE Main 2021 — Environmental Chemistry Question with Solution
JEE Main 2021 (20 Jul Shift 2)
Question
Which one of the following gases is reported to retard photosynthesis?
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
According to NCERT only from the given options can retard the photosynthesis process in plants.
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Environmental Chemistry chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →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.