JEE Main 2021 — Biomolecules Question with Solution
From: JEE Main 2021 (Online) 27th July Morning Shift
Question
The compound 'A' is a complementary base of _______________ in DNA stands.
This question includes a diagram. The text above accompanies the figure.
Choose an option
Show full solutionCorrect option: C
Correct answer
CAdenine
Step-by-step explanation
Given structure of compound A is thymine, so its complementary base will be adenine.
Adenine form hydrogen bonds with thymine and cytosine will form hydrogen bond with guanine.
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This is a previous-year question from JEE Main 2021, covering the Biomolecules 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.