Questions
12
across 8 papers
Share of subject
3%
of 405 Botany Qs
Weightage rank
#16
of 21 chapters
Difficulty
4 easy · 6 medium · 2 hard
Respiration in Plants contributed 12 of the 405 NEET Botany questions between 2020 and 2026 (Re-NEET 2026 included). That is 3% of the subject and makes it the #16 chapter out of 21 by weightage — roughly 1.5 questions per paper, peaking at 2 in NEET 2022.
Of the 12 questions tagged for difficulty, 33% were easy, 50% medium and 17% hard — a fairly balanced mix of easy and moderate questions.
Its weight has stayed fairly steady: 1.3 questions per paper across NEET 2025, NEET 2026 and Re-NEET 2026, against 1.3 in 2020–2022.
The single most-tested topic is Aerobic Respiration (Electron Transport Chain) — 3 questions across 3 papers.
6 topics tagged under Respiration in Plants. 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aerobic Respiration (Electron Transport Chain) | – | 1 | – | – | 1 | 1 | – | – | 3 | 1 | 2 | – |
| Aerobic Respiration (TCA Cycle) | 1 | – | – | – | 1 | – | 1 | – | 3 | 1 | 2 | – |
| Glycolysis (Formation of Pyruvic Acid) | – | – | 1 | 2 | – | – | – | – | 3 | 1 | – | 2 |
| Fermentation (Alcoholic and Lactic Acid Fermentation) | – | – | 1 | – | – | – | – | – | 1 | 1 | – | – |
| Glycolysis (Steps in Glycolysis- Preparatory Phase) | – | – | – | – | – | – | – | 1 | 1 | – | 1 | – |
| Respiratory Quotient | – | – | – | – | – | – | 1 | – | 1 | – | 1 | – |
In the NEET papers from 2020 to 2026 (including Re-NEET 2026), 12 Botany questions came from Respiration in Plants — 3% of the subject, or about 1.5 per paper.
By past weightage it ranks #16 of 21 Botany chapters, so it is a lower-weightage Botany chapter, with 12 questions over 2020–2026.
The most-tested topics are Aerobic Respiration (Electron Transport Chain) (3), Aerobic Respiration (TCA Cycle) (3) and Glycolysis (Formation of Pyruvic Acid) (3). The topic table above lists every topic with its count in each paper.
Of the 12 difficulty-tagged questions, 33% were easy, 50% medium and 17% hard.
Aerobic Respiration (TCA Cycle), Glycolysis (Steps in Glycolysis- Preparatory Phase) and Respiratory Quotient were asked in the 2026 papers.
Edurack has chapter-wise NEET previous-year questions for Respiration in Plants. 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.