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Friday, 9 October

NEET UG 2019 · Botany · Question 143

NEET 2019 Botany, question 143

Question 143 of the NEET 2019 paper (code P1) is a Botany question from Plant Growth and Development. Its idea, Site of Photoperiodic Perception, was asked twice, in 2019 and 2021, across NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q143 · Botany

What is the site of perception of photoperiod necessary for induction of flowering in plants ?

  1. 1Lateral buds
  2. 2Pulvinus
  3. 3Shoot apex
  4. 4LeavesOfficial answer

Official answer: option 4 · NTA final answer key

Same idea

Site of Photoperiodic Perception, in other papers

NEET asked this idea twice, in 2019 and 2021. The other question below.

  • 2021 Q131The site of perception of light in plants during photoperiodism is :One-line MCQ · Easy

Site of Photoperiodic Perception: 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. Photoperiodism alone had 2.

Plant Growth and Development: questions per paper

0241’170’182’193’203’213’223’233’242’253’26