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  9. Q27

BPSC (Bihar PCS) 2023 · Question 27 of 150

The DNA double helix structure was discovered by

General Science

  1. AGregor Mendel
  2. BJames Watson and Francis CrickCorrect
  3. CRosalind Franklin and Maurice Wilkins
  4. DLinus Pauling

Answer: B. James Watson and Francis Crick

Explanation

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

Source: 69th BPSC Prelims 2023 (Set B)

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