Class 11 · Botany

Plant Growth and Development

12 topics — from Growth through Vernalization. Expect about 8 questions in NEET — roughly 32 of 720 marks.

Updated 25 Aug 2026 12 topics Botany · Class 11
In short

Plant Growth and Development is a Class 11 Botany chapter covering 12 topics. Expect about 8 questions in NEET — roughly 32 of 720 marks.

12
Topics
In this chapter
8
Expected questions
≈ 32 of 720 marks
11
Class
Botany
97
Chapters in the syllabus
22 in Botany

Topics covered #

12 topics, in teaching order.

  1. Growth
  2. Growth Model
  3. Growth Terminology
  4. Development
  5. Growth Hormones & Auxin
  6. Auxin Function
  7. Gibberellin
  8. Cytokinin
  9. Ethylene
  10. Abscisic Acid
  11. Photoperiodism
  12. Vernalization

Weightage #

Expect about 8 questions in NEET — roughly 32 of 720 marks.

8 of 180 questions · 32 of 720 marks
This chapter's share of the paper. Weightage is indicative — it reflects how many questions have typically come from here, not a guarantee for any single year.

Practise this chapter #

Reading it once is not the same as being able to answer it under time.

Practice questionsChapter-wise MCQs with solutions Video lecturesTopic-by-topic walkthroughs Chapter testExam-format, timed NEET previous-year questionsPast questions from this chapter AIIMS previous-year questionsOlder AIIMS papers, same syllabus

Next in Botany

← PreviousRespiration in Plants

Frequently asked #

How many questions come from Plant Growth and Development in NEET?
About 8 questions — roughly 32 of the 720 marks available. It is a Class 11 Botany chapter.
What topics does this chapter cover?
12 topics — from Growth through Vernalization. The full list is above.
Where can I practise Plant Growth and Development?
Chapter-wise MCQs, video lectures, a timed chapter test, and both NEET and AIIMS previous-year questions — all linked above.