NEET UG 2021 · Botany · Question 143
NEET 2021 Botany, question 143
Question 143 of the NEET 2021 paper (code O1) is a Botany question from Respiration in Plants. Its idea, NADH to ATP Equivalence, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.
Updated 2026-10-08
Q143 · Botany
Which of the following statements is incorrect ?
- 1ATP is synthesized through complex V.
- 2Oxidation-reduction reactions produce proton gradient in respiration.
- 3During aerobic respiration, role of oxygen is limited to the terminal stage.
- 4In ETC (Electron Transport Chain), one molecule of NADH + gives rise to 2 ATP molecules, and one gives rise to 3 ATP molecules.Official answer
Official answer: option 4 · NTA final answer key
Same idea
The only question on NADH to ATP Equivalence
No other NEET paper from 2017–2026 tested this exact idea.
NADH to ATP Equivalence: every question and how it was framed
The chapter
Respiration in Plants in ten years of NEET
15 questions from 2017–2026, asked in 10 of 10 papers, about 1.4 a paper. TCA Cycle alone had 8.