Questions
24
across 8 papers
Share of subject
5.9%
of 405 Botany Qs
Weightage rank
#7
of 21 chapters
Difficulty
17 easy · 4 medium · 3 hard
Plant Growth and Development contributed 24 of the 405 NEET Botany questions between 2020 and 2026 (Re-NEET 2026 included). That is 5.9% of the subject and makes it the #7 chapter out of 21 by weightage — roughly 3 questions per paper, peaking at 4 in NEET 2021.
Of the 24 questions tagged for difficulty, 71% were easy, 16% medium and 13% hard — a chapter where NCERT-level preparation pays off directly.
Its weight has stayed fairly steady: 2.7 questions per paper across NEET 2025, NEET 2026 and Re-NEET 2026, against 3.3 in 2020–2022.
The single most-tested topic is Plant Growth Regulators (Effects of PGR) — 4 questions across 3 papers.
12 topics tagged under Plant Growth and Development. Numbers show how many questions each topic had in each paper; E / M / H are the easy, medium and hard counts.
| Topic | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Re | Total | E | M | H |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Plant Growth Regulators (Effects of PGR) | – | – | – | – | – | 1 | 1 | 2 | 4 | 3 | – | 1 |
| Development (Plasticity) | – | 1 | 1 | – | – | – | 1 | – | 3 | 3 | – | – |
| Physiological Effects of Plant Growth Regulators (Auxins) | – | 1 | – | – | 1 | 1 | – | – | 3 | 2 | – | 1 |
| Physiological Effects of Plant Growth Regulators (Ethylene) | – | – | 2 | 1 | – | – | – | – | 3 | 2 | 1 | – |
| Physiological Effects of Plant Growth Regulators (Gibberellins) | 1 | – | – | 1 | 1 | – | – | – | 3 | 3 | – | – |
| Differentiation, Dedifferentiation and Redifferentiation | – | – | – | 1 | 1 | – | – | – | 2 | 2 | – | – |
| Growth (Arithmetic Growth) | – | – | – | – | – | – | – | 1 | 1 | – | 1 | – |
| Growth (Phases of Growth) | 1 | – | – | – | – | – | – | – | 1 | 1 | – | – |
| Growth (Phases of Growth-Phases of Cell Elongation) r– | – | – | – | – | – | – | 1 | – | 1 | – | 1 | – |
| Introduction | – | 1 | – | – | – | – | – | – | 1 | – | – | 1 |
| Photoperiodism (Introduction and Importance of Photoperiodism) | – | 1 | – | – | – | – | – | – | 1 | 1 | – | – |
| Physiological Effects of Plant Growth Regulators (Abscisic Acid) | 1 | – | – | – | – | – | – | – | 1 | – | 1 | – |
In the NEET papers from 2020 to 2026 (including Re-NEET 2026), 24 Botany questions came from Plant Growth and Development — 5.9% of the subject, or about 3 per paper.
By past weightage it ranks #7 of 21 Botany chapters, so it is an above-average-weightage Botany chapter, with 24 questions over 2020–2026.
The most-tested topics are Plant Growth Regulators (Effects of PGR) (4), Development (Plasticity) (3) and Physiological Effects of Plant Growth Regulators (Auxins) (3). The topic table above lists every topic with its count in each paper.
Of the 24 difficulty-tagged questions, 71% were easy, 16% medium and 13% hard.
Plant Growth Regulators (Effects of PGR), Development (Plasticity), Growth (Arithmetic Growth) and Growth (Phases of Growth-Phases of Cell Elongation) r– were asked in the 2026 papers.
Edurack has chapter-wise NEET previous-year questions for Plant Growth and Development. Use the practice button on this page to open the set, attempt questions and check your answers.
Counts come from Edurack's tagged set of NEET papers 2020–2026 (including Re-NEET 2026), mapped to NCERT chapters and topics. Use them as a trend guide — past frequency doesn't guarantee what a future paper will ask.