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Biology · PYQ NEET UG 2020

हिन्दी

Which of the following statements is correct?

  1. Adenine pairs with thymine through one H-bond.
  2. Adenine pairs with thymine through three h-bonds.
  3. Adenine does not pair with thymine.
  4. Adenine pairs with thymine through two H-bonds.

Correct answer · Option 4

Adenine pairs with thymine through two H-bonds.

Explanation

In DNA, adenine pairs with thymine via two hydrogen bonds, while guanine pairs with cytosine via three hydrogen bonds.

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