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General Knowledge (GK)

General Science

All MCQs

All MCQs

611.

Which of the following is a primary source of indoor air pollution?

A

B

C

D

612.

What is the term for the accumulation of toxic substances in the tissues of living organisms?

A

B

C

D

613.

Which of the following is a primary greenhouse gas released from the burning of fossil fuels?

A

B

C

D

614.

Which term describes the process of returning nutrients to the soil through the decomposition of organic matter?

A

B

C

D

615.

What is the term for the process of pollutants being absorbed and accumulated by plants?

A

B

C

D

616.

Which term describes the long-term changes in climate patterns?

A

B

C

D

617.

What is the term for the study of the sources, reactions, transport, effects, and fates of chemical species in the environment?

A

B

C

D

618.

What is the primary component of air pollutants known as "particulate matter"?

A

B

C

D

619.

Which gas is a major component of tobacco smoke and is a known human carcinogen?

A

B

C

D

620.

What is the term for the contamination of groundwater with pollutants?

A

B

C

D