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Friday, 9 October

NEET UG 2020 · Zoology · Question 38

NEET 2020 Zoology, question 38

Question 38 of the NEET 2020 paper (code E1) is a Zoology question from Evolution. Its idea, Miller's Experiment, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 1.

Updated 2026-10-08

Q38 · Zoology

From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask :

  1. 1CH4CH_4, H2H_2, NH3NH_3 and water vapor at 800°COfficial answer
  2. 2CH3CH_3, H2H_2, NH4NH_4 and water vapor at 800°C
  3. 3CH4CH_4, H2H_2, NH3NH_3 and water vapor at 600°C
  4. 4CH3CH_3, H2H_2, NH3NH_3 and water vapor at 600°C

Official answer: option 1 · NTA final answer key

Same idea

The only question on Miller's Experiment

No other NEET paper from 2017–2026 tested this exact idea.

Miller's Experiment: every question and how it was framed

The chapter

Evolution in ten years of NEET

28 questions from 2017–2026, asked in 10 of 10 papers, about 2.7 a paper. Origin of Life and Human Evolution alone had 5.

Evolution: questions per paper

0361’173’184’194’202’212’221’234’241’256’26