NextMockಪರೀಕ್ಷೆಗಳನ್ನು ಹುಡುಕಿ, ಉದಾ. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2023

BPSC – Combined Competitive Examination · ಪ್ರಶ್ನೆ 20

The double-helix structure of DNA was discovered by:

  1. James Watson and Francis Crick
  2. Rosalind Franklin and Maurice Wilkins
  3. Linus Pauling
  4. Gregor Mendel
ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ

ಉತ್ತರ: (A) James Watson and Francis Crick

ವಿವರಣೆ

Watson and Crick published the DNA double-helix model in Nature in 1953, using Franklin's X-ray images.

  • (A) ಸರಿ

    Correct: they proposed the double-helix model in 1953.

  • (B) ತಪ್ಪು

    Wrong: their X-ray data were key, but the model was Watson and Crick's.

  • (C) ತಪ್ಪು

    Wrong: he proposed an incorrect triple helix.

  • (D) ತಪ್ಪು

    Wrong: father of genetics; did not study DNA.