NEET PYQs for Environmental Pollution with Solutions: Practice NEET Previous Year Questions

Updated on - Jan 19, 2026

Environmental Pollution is an important topic in the Biology section in NEET exam. Practising this topic will increase your score overall and make your conceptual grip on NEET exam stronger.

This article gives you a full set of NEET PYQs for Environmental Pollution with explanations for effective preparation. Practice of NEET Biology PYQs including Environmental Pollution questions regularly will improve accuracy, speed, and confidence in the NEET 2026 exam.

NEET PYQs for Environmental Pollution with Solutions

1.
In 1984, the Bhopal gas tragedy took place because methyl isocyanate
- Reacted with ammonia
- Reacted with CO₂
- Reacted with water
- Reacted with DDT
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2.
The Air Prevention and Control of Pollution Act came into force in
- 1975
- 1981
- 1985
- 1990
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3.
Rachel Carson's famous book 'Silent Spring ' is related to
- population explosion
- ecosystem management
- pesticide pollution
- noise pollution.
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4.
Lead concentration in blood is considered alarming if it is
- 30 µg/100 ml
- 4-6 µg/100 ml
- 10 µg/100 ml
- 20 µg/100 ml
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5.
Sounds above what level are considered hazardous noise pollution?
- above 80 dB
- above 30 dB
- above 150 dB
- above 120 dB.
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6.
In which one of the following habitats does the diurnal temperature of soil surface vary most ?
- Forest
- Desert
- Grassland
- Shrub land
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7.
Dobson units are used to measure thickness of:
- CFCs
- Stratosphere
- Ozone
- Troposphere
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8.
Which of the following is secondary pollutant?
- CO
- SO₂
- O₃
- CO₂
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9.
Given below are two statements:
Statement I: Electrostatic precipitator is most widely used in thermal power plant
Statement II: Electrostatic precipitator in thermal power plant removes ionising radiations
In the light of the above statements, choose the most appropriate answer from the options given below:
- Both Statement I and Statement II are incorrect
- Statement I is correct but Statement II is incorrect
- Statement I is incorrect but Statement II is correct
- Both Statement I and Statement II are correct.
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10.
Common indicator organism of water pollution is
- Eichhornia crassipes
- Escherichia coli
- Entamoeba histolytica
- Lemna pancicostata
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