NEET UG · Biology · Environmental Issues
Air Pollution Control and Waste Management: NEET previous year questions
This topic’s chapter, Environmental Issues, is not in the NEET UG 2026 syllabus. It had 8 questions from 2017 to 2023; they are kept here for reference.
- Asked in 10 years
- 8
- about 0.8 per paper
- Years asked
- 5/10
- last asked 2023
- Syllabus
- Dropped
- not in NEET UG 2026
- Last asked
- 2023
- 3 papers ago
Key findings
- 01
Asked in 5 of 10 papers, 8 questions in all: #114 of 204 topics by ten-year total. It comes back every 1.5 years on average. Last asked in 2023.
- 02
86% of its questions since 2018 tested an idea never asked before; 1 repeated an idea from the year before.
- 03
The most repeated idea is Electrostatic Precipitator and Scrubber, asked 3 times (2022, 2023), usually as “statement i/ii on pollution control”.
- 04
NEET has asked 0 of the 8 ideas in this topic; 0 have never been asked, directly or indirectly.
- 05
Mostly asked as one-line MCQ (75%); 50% easy, 0% hard, and down from 1.1 to 0.0 questions a paper since 2024.
Questions per year
- Up to 2023
- 1.1
- per paper
- Since 2024
- 0.0
- -1.1
- Usual gap
- 1.5 yrs
- between papers asking it
- Swing
- ±0.9
- questions, year to year
How it is asked
Difficulty, format and skill
Across all 8 questions on Air Pollution Control and Waste Management since 2017.
Difficulty
QUESTIONS- Easy4 · 50%
- Medium4 · 50%
- Hard0 · 0%
Format
SHARE- One-line MCQ · 6 Q75%
- Two statements · 2 Q25%
Skill tested
SHARE- Recall · 7 Q88%
- Concept · 1 Q13%
Repeats
New idea, or one asked before?
Each column is a paper. Blue questions tested an idea NEET had not asked before; navy ones went back to an idea from an earlier paper. 2017 is the first paper, so everything in it counts as new.
- Idea asked for the first time
- Idea asked in an earlier paper
Coverage of the topic
NEET has asked 0 of the 8 ideas in this topic. 0 have never been asked yet.
- Asked directly0 · 0%
- Touched inside another question8 · 100%
- Never asked0 · 0%
Ideas come from Lumi’s syllabus map of NCERT. A never-asked idea is not a safe skip: most new questions come from exactly these.
Drill down
Idea, year, question
Every idea NEET tested in this topic, with its ten papers. Open one to read the questions.
- Repeated3 · 38%2
- 2023 · Q177Given below are two statements: Statement I: Electrostatic precipitator is most widely used in thermal power plant. Statement II:…
easyTwo statementsAsked the year before
- 2022 · Q107The device which can remove particulate matter present in the exhaust from a thermal power plant is :
easyOne-line MCQNew idea
- 2022 · Q190Given below are two statements : Statement I : In a scrubber the exhaust from the thermal plant is passed through the electric wires to…
mediumTwo statementsNew idea
- 2023 · Q177
- 1 · 13%
- 1 · 13%
- 1 · 13%
- 1 · 13%
- 1 · 13%
Squares are the ten papers, 2017 to 2026; darker means more questions. Share is of the level above.
Ideas
Every idea inside this topic
6 different ideas were tested; 1 came more than once.
- Electrostatic Precipitator and Scrubber3×
statement i/ii on pollution control
Two statements · 4% next - CNG and Vehicular Pollution in Delhi1×
false statement selection on air pollution control
One-line MCQ · 4% next - Radioactive Waste Disposal1×
identify suitable disposal method
One-line MCQ · 4% next - Solid Waste and Plastic Recycling1×
identify use of a material
One-line MCQ · 4% next - Environmental Days and Events1×
date recall of an environmental day
One-line MCQ · 4% next - Particulates and Aerosols1×
incorrect statement selection on aerosols
One-line MCQ · 4% next
Chance next is the historical rate at which an idea with this record came back in the following paper. It is low for every idea, which is why learning the topic beats memorising past questions. All repeated ideas
Every question
Air Pollution Control and Waste Management questions, year by year
The opening words of each question as it appeared in the official paper, with the idea it tested.
NEET 20231 question
- Q177Given below are two statements: Statement I: Electrostatic precipitator is most widely used in thermal power plant. Statement II:…
Idea: Electrostatic Precipitator and Scrubber
Asked last yearEasyTwo statements
NEET 20223 questions
- Q107The device which can remove particulate matter present in the exhaust from a thermal power plant is :
Idea: Electrostatic Precipitator and Scrubber
New ideaEasyOne-line MCQ - Q136The entire fleet of buses in Delhi were converted to CNG from diesel. In reference to this, which one of the following statements is false ?
Idea: CNG and Vehicular Pollution in Delhi
New ideaMediumOne-line MCQ - Q190Given below are two statements : Statement I : In a scrubber the exhaust from the thermal plant is passed through the electric wires to…
Idea: Electrostatic Precipitator and Scrubber
New ideaMediumTwo statements
NEET 20192 questions
- Q177Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for :
Idea: Solid Waste and Plastic Recycling
New ideaMediumOne-line MCQ - Q178Which of these following methods is the most suitable for disposal of nuclear waste ?
Idea: Radioactive Waste Disposal
New ideaEasyOne-line MCQ
NEET 20181 question
- Q112World Ozone Day is celebrated on
Idea: Environmental Days and Events
New ideaEasyOne-line MCQ
NEET 20171 question
- Q153Which one of the following statements is not valid for aerosols ?
Idea: Particulates and Aerosols
MediumOne-line MCQ
Questions from the official NEET UG papers published by NTA (CBSE before 2019). Topic and idea tags, counts and notes are Lumi’s.