NEET Botany Respiration in Plants PYQ Analysis 2020–2026: Topic-wise Trends & Practice
Respiration in Plants (NEET Botany): 12 questions in 2020–2026, 3% of the subject. Topic-wise trends, difficulty split, repeated topics and PYQ practice.
Edurack Team
October 13, 2026
Respiration in Plants gave 12 of the 405 NEET Botany questions asked between 2020 and 2026 (Re-NEET 2026 included). That is 3% of the subject and the #16 chapter out of 21 by weightage, about 1.5 questions per paper. It peaked at 2 in NEET 2022.
Of the 12 questions tagged for difficulty, 33% were easy, 50% medium and 17% hard, so this is a fairly balanced mix of easy and moderate questions.
Its weight has stayed steady: 1.3 questions per paper in 2020–2022 and 1.3 across 2025, 2026 and Re-NEET 2026.
Year-wise questions from Respiration in Plants
| Paper | Questions |
|---|---|
| NEET 2020 | 1 |
| NEET 2021 | 1 |
| NEET 2022 | 2 |
| NEET 2023 | 2 |
| NEET 2024 | 2 |
| NEET 2025 | 1 |
| NEET 2026 | 2 |
| Re-NEET 2026 | 1 |
Difficulty split
| Level | Questions | Share |
|---|---|---|
| Easy | 4 | 33% |
| Medium | 6 | 50% |
| Hard | 2 | 17% |
Topic-wise analysis
Every topic tagged under Respiration in Plants, most-asked first. "Papers" is the number of the 8 papers in which the topic appeared.
| Topic | Total Qs | Easy | Medium | Hard | Papers | Asked in |
|---|---|---|---|---|---|---|
| Aerobic Respiration (Electron Transport Chain) | 3 | 1 | 2 | 0 | 3 | 2021, 2024 and 2025 |
| Aerobic Respiration (TCA Cycle) | 3 | 1 | 2 | 0 | 3 | 2020, 2024 and 2026 |
| Glycolysis (Formation of Pyruvic Acid) | 3 | 1 | 0 | 2 | 2 | 2022 and 2023 |
| Fermentation (Alcoholic and Lactic Acid Fermentation) | 1 | 1 | 0 | 0 | 1 | 2022 |
| Glycolysis (Steps in Glycolysis- Preparatory Phase) | 1 | 0 | 1 | 0 | 1 | Re-NEET 2026 |
| Respiratory Quotient | 1 | 0 | 1 | 0 | 1 | 2026 |
Which topics matter most
Most-tested topics
- Aerobic Respiration (Electron Transport Chain): 3 Qs
- Aerobic Respiration (TCA Cycle): 3 Qs
- Glycolysis (Formation of Pyruvic Acid): 3 Qs
- Fermentation (Alcoholic and Lactic Acid Fermentation): 1 Q
- Glycolysis (Steps in Glycolysis- Preparatory Phase): 1 Q
Topics that keep coming back
These appeared in three or more different papers:
- Aerobic Respiration (Electron Transport Chain): 3 papers (2021, 2024 and 2025)
- Aerobic Respiration (TCA Cycle): 3 papers (2020, 2024 and 2026)
What the latest papers asked
Topics from NEET 2026 and Re-NEET 2026:
- Aerobic Respiration (TCA Cycle)
- Glycolysis (Steps in Glycolysis- Preparatory Phase)
- Respiratory Quotient
Where the hard questions came from
- Glycolysis (Formation of Pyruvic Acid): 2 hard of 3
How to use this data
- Start with the 2 recurring topics above. They account for 6 of the chapter's 12 questions (50%).
- Re-solve the 3 topics from NEET 2026 and Re-NEET 2026, since they show the current style of questions.
- Then attempt the chapter's past questions under a timer and note which topics cost you marks.
Practise Respiration in Plants PYQs
Solve every Respiration in Plants question from 2020–2026 with solutions on Edurack:
- Practise Respiration in Plants PYQs
- See the full Respiration in Plants blueprint page
- NEET Botany PYQ analysis: all chapters
Related chapters
- Microbes in Human Welfare: #15 in Botany, 12 questions
- Environmental Issues: #17 in Botany, 8 questions
Frequently Asked Questions
How many questions came from Respiration in Plants in NEET 2020–2026?
Respiration in Plants contributed 12 NEET Botany questions across the 8 papers from 2020–2026, which is 3% of the subject.
Which topics of Respiration in Plants are asked most often?
The most-tested topics are Aerobic Respiration (Electron Transport Chain): 3 Qs, Aerobic Respiration (TCA Cycle): 3 Qs and Glycolysis (Formation of Pyruvic Acid): 3 Qs.
Is Respiration in Plants easy or difficult in NEET?
Of 12 difficulty-tagged questions, 33% were easy, 50% medium and 17% hard.
Was Respiration in Plants asked in NEET 2026?
Yes. It had 2 questions in NEET 2026 and 1 question in Re-NEET 2026.