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Friday, 9 October

NEET UG 2017 · Botany · Question 123

NEET 2017 Botany, question 123

Question 123 of the NEET 2017 paper (code A) is a Botany question from Transport in Plants. Its idea, Stomatal Opening Mechanism, was asked twice, in 2017 and 2018, across NEET 2017–2026. The CBSE official answer key gives option 3.

Updated 2026-10-08

Q123 · Botany

Which of the following facilitates opening of stomatal aperture ?

  1. 1Contraction of outer wall of guard cells
  2. 2Decrease in turgidity of guard cells
  3. 3Radial orientation of cellulose microfibrils in the cell wall of guard cellsOfficial answer
  4. 4Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells

Official answer: option 3 · CBSE official answer key

Same idea

Stomatal Opening Mechanism, in other papers

NEET asked this idea twice, in 2017 and 2018. The other question below.

  • 2018 Q122Stomatal movement is not affected byOne-line MCQ · Easy

Stomatal Opening Mechanism: every question and how it was framed

The chapter

Transport in Plants in ten years of NEET

13 questions from 2017–2026, asked in 7 of 10 papers, about 1.2 a paper. Transpiration Pull alone had 9.

Transport in Plants: questions per paper

0242’171’182’191’201’213’223’230’240’250’26