NEET UG 2017 · Botany · Question 158
NEET 2017 Botany, question 158
Question 158 of the NEET 2017 paper (code A) is a Botany question from Plant Growth and Development. Its idea, Auxin's Dual Role in Abscission, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 3.
Updated 2026-10-08
Q158 · Botany
Fruit and leaf drop at early stages can be prevented by the application of :
- 1Cytokinins
- 2Ethylene
- 3AuxinsOfficial answer
- 4Gibberellic acid
Official answer: option 3 · CBSE official answer key
Same idea
The only question on Auxin's Dual Role in Abscission
No other NEET paper from 2017–2026 tested this exact idea.
Auxin's Dual Role in Abscission: every question and how it was framed
The chapter
Plant Growth and Development in ten years of NEET
23 questions from 2017–2026, asked in 9 of 10 papers, about 2.2 a paper. Plant Growth Regulators alone had 15.