environmental pollution mcq with answers

Environmental Pollution MCQ with Answers

Ready to challenge your knowledge about the environment? 🌿💨 From polluted air to toxic water, this quiz will test how much you really know about the threats to our planet. Dive in, think carefully, and see if you can ace all the Environmental Pollution MCQs with Answers! 🌎💧

Which of the following gases is primarily responsible for the greenhouse effect?

A) Oxygen

B) Carbon dioxide

C) Nitrogen

D) Argon

The Minamata disease is caused by the pollution of:

A) Water by lead

B) Air by sulfur dioxide

C) Water by mercury

D) Soil by pesticides

Which of the following is a non-point source of water pollution?

A) Industrial effluent discharge

B) Agricultural runoff

C) Sewage discharge from a city

D) Oil spill from a ship

Eutrophication in water bodies is mainly caused by:

A) Excessive sedimentation

B) Excessive nutrients like nitrogen and phosphorus

C) Thermal pollution

D) Oil spills

Which pollutant is primarily responsible for acid rain?

A) Carbon monoxide

B) Nitrogen oxides and sulfur dioxide

C) Ozone

D) Methane

The Bhopal Gas Tragedy involved leakage of which gas?

A) Chlorine

B) Methyl isocyanate

C) Carbon monoxide

D) Ammonia

Which of the following is a major indoor air pollutant?

A) Sulfur dioxide

B) Radon

C) Carbon dioxide from vehicles

D) Chlorofluorocarbons

Which type of pollution is caused by excessive noise levels?

A) Environmental pollution

B) Thermal pollution

C) Noise pollution

D) Soil pollution

Which of the following methods is effective for controlling air pollution?

A) Using scrubbers in industrial chimneys

B) Increasing burning of fossil fuels

C) Reducing greenery

D) Deforestation

Persistent Organic Pollutants (POPs) are dangerous because:

A) They degrade quickly in the environment

B) They bioaccumulate in the food chain

C) They only affect plants

D) They evaporate rapidly

Thermal pollution of water bodies mainly occurs due to:

A) Industrial discharge of hot water

B) Excessive oil spill

C) Pesticide runoff

D) Plastic waste

Which of the following is considered a primary pollutant?

A) Ozone (O₃)

B) Carbon monoxide (CO)

C) Nitric acid (HNO₃)

D) Peroxyacetyl nitrate (PAN)

Which Indian law specifically addresses the prevention and control of water pollution?

A) Air (Prevention and Control of Pollution) Act, 1981

B) Water (Prevention and Control of Pollution) Act, 1974

C) Environment Protection Act, 1986

D) Wildlife Protection Act, 1972

Which of the following is a major contributor to marine pollution?

A) Plastic waste

B) Noise pollution

C) Soil erosion

D) Thermal pollution

Ozone layer depletion is mainly caused by:

A) Nitrogen oxides

B) Chlorofluorocarbons (CFCs)

C) Carbon monoxide

D) Methane

Biomagnification refers to:

A) The increase in pollutant concentration in water over time

B) The accumulation of pollutants in the body of a single organism

C) The increasing concentration of pollutants as they move up the food chain

D) The removal of pollutants by microorganisms

Which of the following is a major source of particulate matter (PM2.5 and PM10) in urban air?

A) Vehicle emissions and industrial smoke

B) Ozone layer depletion

C) Chlorofluorocarbons

D) Noise pollution

Which of the following is NOT a consequence of oil spills in oceans?

A) Death of marine organisms

B) Disruption of the food chain

C) Depletion of ozone layer

D) Contamination of coastal areas

Which heavy metal is commonly associated with industrial and vehicular pollution in urban soils?

A) Lead

B) Mercury

C) Arsenic

D) Cadmium

Ground-level ozone (tropospheric ozone) is considered a pollutant because:

A) It protects the earth from UV rays

B) It is directly emitted from factories

C) It is formed by reactions of NOx and VOCs under sunlight and damages lungs

D) It causes acid rain

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environmental pollution mcq with answers

Environmental Pollution MCQ with Answers

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