Learn

Friday, 9 October

NEET UG 2022 · Botany · Question 143

NEET 2022 Botany, question 143

Question 143 of the NEET 2022 paper (code R1) is a Botany question from Ecosystem. Its idea, Phosphorus Cycle, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q143 · Botany

Which one of the following will accelerate phosphorus cycle ?

  1. 1Rain fall and storms
  2. 2Burning of fossil fuels
  3. 3Volcanic activity
  4. 4Weathering of rocksOfficial answer

Official answer: option 4 · NTA final answer key

Same idea

The only question on Phosphorus Cycle

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

Phosphorus Cycle: every question and how it was framed

The chapter

Ecosystem in ten years of NEET

20 questions from 2017–2026, asked in 10 of 10 papers, about 1.9 a paper. Ecosystem Structure, Decomposition and Nutrient Cycling alone had 4.

Ecosystem: questions per paper

0242’171’181’192’203’213’222’231’243’252’26