Q. The double-helix structure of DNA was proposed by:

(A) Watson and Crick
(B) Mendel and Darwin
(C) Pasteur and Koch
(D) Rutherford and Bohr

✅ Correct Answer: (A) Watson and Crick

Explanation: James Watson and Francis Crick proposed the double-helix model of DNA in 1953.

Published by Mr. Dubey ⭐ 109.86K Points at 18-Jul-2026 04:41 pm in General Awareness

Explanation by: Mr. Dubey

James Watson and Francis Crick proposed the double-helix model of DNA in 1953.

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