Question

Assertion : The two strands of $DNA$ are complementary to each other.
Reason: Adenine specifically forms hydrogen bonds with guanine whereas cytosine forms hydrogen bonds with thymine.

• A. If both assertion and reason are true and reason is the correct explanation of assertion.
• B. If both assertion and reason are true but reason is not the correct explanation of assertion.
• C. If assertion is true but reason is false.
• D. If both assertion and reason are false.

Answer 1

Answer: (C)

Adenine forms hydrogen bonds with thymine whereas cytosine forms hydrogen bonds with guanine. Due to specific pairing of bases the two strands are complementary.