Questions
19
across 8 papers
Share of subject
4.7%
of 405 Botany Qs
Weightage rank
#13
of 21 chapters
Difficulty
5 easy · 10 medium · 4 hard
Ecosystem contributed 19 of the 405 NEET Botany questions between 2020 and 2026 (Re-NEET 2026 included). That is 4.7% of the subject and makes it the #13 chapter out of 21 by weightage — roughly 2.4 questions per paper, peaking at 4 in NEET 2025.
Of the 19 questions tagged for difficulty, 26% were easy, 53% medium and 21% hard — a fairly balanced mix of easy and moderate questions.
Its weight has stayed fairly steady: 3 questions per paper across NEET 2025, NEET 2026 and Re-NEET 2026, against 2.3 in 2020–2022.
The single most-tested topic is Productivity (NPP) — 5 questions across 5 papers.
9 topics tagged under Ecosystem. 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Productivity (NPP) | – | 1 | – | 1 | 1 | 1 | 1 | – | 5 | 2 | 1 | 2 |
| Decomposition (Process Involved in Decomposition) | – | – | 2 | 1 | – | – | 1 | – | 4 | 1 | 3 | – |
| Energy Flow (Food Chain) | 1 | – | – | – | – | 1 | – | 1 | 3 | 1 | 1 | 1 |
| Ecological Pyramids (Pyramid of Biomass) | – | 1 | – | – | – | – | 1 | – | 2 | – | 2 | – |
| Ecological Pyramids (Pyramid of Energy) | – | – | – | – | – | – | – | 1 | 1 | – | 1 | – |
| Ecological Succession (Types of Successional Communities) | – | 1 | – | – | – | – | – | – | 1 | 1 | – | – |
| Introduction | – | – | – | – | – | 1 | – | – | 1 | – | 1 | – |
| Productivity (GPP) | 1 | – | – | – | – | – | – | – | 1 | – | 1 | – |
| Productivity (Primary Productivity) | – | – | – | – | – | 1 | – | – | 1 | – | – | 1 |
In the NEET papers from 2020 to 2026 (including Re-NEET 2026), 19 Botany questions came from Ecosystem — 4.7% of the subject, or about 2.4 per paper.
By past weightage it ranks #13 of 21 Botany chapters, so it is a lower-weightage Botany chapter, with 19 questions over 2020–2026.
The most-tested topics are Productivity (NPP) (5), Decomposition (Process Involved in Decomposition) (4) and Energy Flow (Food Chain) (3). The topic table above lists every topic with its count in each paper.
Of the 19 difficulty-tagged questions, 26% were easy, 53% medium and 21% hard.
Productivity (NPP), Decomposition (Process Involved in Decomposition), Energy Flow (Food Chain) and Ecological Pyramids (Pyramid of Biomass) and more were asked in the 2026 papers.
Edurack has chapter-wise NEET previous-year questions for Ecosystem. 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.