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Friday, 9 October

NEET UG 2021 · Botany · Question 136

NEET 2021 Botany, question 136

Question 136 of the NEET 2021 paper (code O1) is a Botany question from Photosynthesis in Higher Plants. Its idea, Thylakoid vs Stroma Lamellae Distribution, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q136 · Botany

Which of the following statements is incorrect ?

  1. 1Grana lamellae have both PS I and PS II.
  2. 2Cyclic photophosphorylation involves both PS I and PS II.Official answer
  3. 3Both ATP and NADPH + H+\mathrm{H^{+}} are synthesized during non-cyclic photophosphorylation.
  4. 4Stroma lamellae have PS I only and lack NADP reductase.

Official answer: option 2 · NTA final answer key

Same idea

The only question on Thylakoid vs Stroma Lamellae Distribution

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

Thylakoid vs Stroma Lamellae Distribution: every question and how it was framed

The chapter

Photosynthesis in Higher Plants in ten years of NEET

23 questions from 2017–2026, asked in 9 of 10 papers, about 2.2 a paper. Photosynthetic Light Reaction alone had 9.

Photosynthesis in Higher Plants: questions per paper

0362’171’180’192’202’213’223’233’242’255’26