Which of the following statements is correct ?

1. Adenine pairs with thymine through two H-bonds.

2. Adenine pairs with thymine through one H-bond.

3. Adenine pairs with thymine through three H-bonds.

4. Adenine does not pair with thymine.

Doubtly Asked 30 Oct 2026 NEET UG 2020 Practice test neet Save WhatsApp Report

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Answer: 1. Adenine pairs with thymine through two H-bonds.

In DNA, adenine pairs with thymine by two hydrogen bonds, and guanine pairs with cytosine by three.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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