Home PYQs UPPSC UPPSC MCQs Prelims 2012 (GS Paper I)

Question

Who had proposed for the first time the double helix model of DNA?

  1. Watson and Crick
  2. Fisher and Haldoni
  3. Lam ark and Darwin
  4. Hugo de Vries

Answer:

Option A: Watson and Crick

Detailed Solution:

The correct answer is “Watson and Crick”.

Double helical structure of DNA was proposed by James Watson and Francis Crick in 1953.