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Friday, 9 October

NEET UG 2021 · Botany · Question 127

NEET 2021 Botany, question 127

Question 127 of the NEET 2021 paper (code O1) is a Botany question from Organisms and Populations. Its idea, Amensalism Concept (-/0), was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.

Updated 2026-10-08

Q127 · Botany

Amensalism can be represented as :

  1. 1Species A (−) ; Species B (−)
  2. 2Species A (+) ; Species B (0)
  3. 3Species A (−) ; Species B (0)Official answer
  4. 4Species A (+) ; Species B (+)

Official answer: option 3 · NTA final answer key

Same idea

The only question on Amensalism Concept (-/0)

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

Amensalism Concept (-/0): every question and how it was framed

The chapter

Organisms and Populations in ten years of NEET

31 questions from 2017–2026, asked in 9 of 10 papers, about 3.0 a paper. Population Interactions alone had 16.

Organisms and Populations: questions per paper

0362’176’180’192’204’213’224’232’244’254’26