Q. The shape of DNA was first described as a 'double helix' in which year?

  • (A) 1945
  • (B) 1953
  • (C) 1962
  • (D) 1970
✅ Correct Answer: (B) 1953
Explanation: Watson and Crick described the double-helix structure of DNA in 1953.

Published by Mr. Dubey ⭐ 111.42K Points at 27-Oct-2025 02:23 pm in Biology

Explanation by: Mr. Dubey
Watson and Crick described the double-helix structure of DNA in 1953.

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