NEET UG 2022 · Botany · Question 131
NEET 2022 Botany, question 131
Question 131 of the NEET 2022 paper (code R1) is a Botany question from Mineral Nutrition. Its idea, Non-Legume Symbiotic Fixation, was asked twice, in 2017 and 2022, across NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q131 · Botany
Which one of the following produces nitrogen fixing nodules on the roots of Alnus ?
- 1Beijernickia
- 2Rhizobium
- 3FrankiaOfficial answer
- 4Rhodospirillum
Official answer: option 3 · NTA final answer key
Same idea
Non-Legume Symbiotic Fixation, in other papers
NEET asked this idea twice, in 2017 and 2022. The other question below.
- 2017 Q93Select the mismatch :One-line MCQ · Medium
Non-Legume Symbiotic Fixation: 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.