Questions
8
across 8 papers
Share of subject
2%
of 405 Botany Qs
Weightage rank
#17
of 21 chapters
Difficulty
5 easy · 3 medium · 0 hard
Environmental Issues contributed 8 of the 405 NEET Botany questions between 2020 and 2026 (Re-NEET 2026 included). That is 2% of the subject and makes it the #17 chapter out of 21 by weightage — roughly 1 question per paper, peaking at 3 in NEET 2022.
Of the 8 questions tagged for difficulty, 63% were easy, 37% medium and 0% hard — a chapter where NCERT-level preparation pays off directly.
No question came from this chapter in the last four papers (NEET 2024 onward), though earlier papers asked 8.
The single most-tested topic is Ozone (Ozone Depletion in the Stratosphere) — 3 questions across 3 papers.
3 topics tagged under Environmental Issues. 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air Pollution (Control of Air Pollution) | – | – | 3 | – | – | – | – | – | 3 | 2 | 1 | – |
| Ozone (Ozone Depletion in the Stratosphere) | 1 | 1 | – | 1 | – | – | – | – | 3 | 3 | – | – |
| Water Pollution and its Control (Domestic Sewage and Industrial Effluents) | – | – | – | 2 | – | – | – | – | 2 | – | 2 | – |
No question came from Environmental Issues in the 2026 papers.
No question in this chapter was tagged hard.
In the NEET papers from 2020 to 2026 (including Re-NEET 2026), 8 Botany questions came from Environmental Issues — 2% of the subject, or about 1 per paper.
By past weightage it ranks #17 of 21 Botany chapters, so it is a lower-weightage Botany chapter, with 8 questions over 2020–2026.
The most-tested topics are Ozone (Ozone Depletion in the Stratosphere) (3), Air Pollution (Control of Air Pollution) (3) and Water Pollution and its Control (Domestic Sewage and Industrial Effluents) (2). The topic table above lists every topic with its count in each paper.
Of the 8 difficulty-tagged questions, 63% were easy, 37% medium and 0% hard.
No question came from Environmental Issues in NEET 2026 or Re-NEET 2026.
Edurack has chapter-wise NEET previous-year questions for Environmental Issues. 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.