NEET UG 2020 · Botany · Question 13
NEET 2020 Botany, question 13
Question 13 of the NEET 2020 paper (code E1) is a Botany question from Mineral Nutrition. Its idea, Nitrogenase Reaction Byproducts, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.
Updated 2026-10-08
Q13 · Botany
The product(s) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are :
- 1Ammonia alone
- 2Nitrate alone
- 3Ammonia and oxygen
- 4Ammonia and hydrogenOfficial answer
Official answer: option 4 · NTA final answer key
Same idea
The only question on Nitrogenase Reaction Byproducts
No other NEET paper from 2017–2026 tested this exact idea.
Nitrogenase Reaction Byproducts: every question and how it was framed
The chapter
Mineral Nutrition in ten years of NEET
12 questions from 2017–2026, asked in 8 of 10 papers, about 1.1 a paper. Nitrogen Fixation alone had 6.