Pollution : General Science MCQ Practice Questions & Answers (English) - Page 2

General ScienceEasyPollution

21.

BOD of a river water is found very high. This means water

A

Is clear

B

Is highly polluted

C

Contain Algae

D

Contain many dissolved minerals

General ScienceEasyPollution

22.

Green House effect is caused by

A

Increase in $CO_2$

B

Increase in $O_2$

C

Decrease in $O_2$

D

Decrease in $CO_2$

General ScienceEasyPollution

23.

Noise is _______________

A

Huge sound

B

Sound of vehicles

C

Undesirable and unwanted sound

D

Sound of crackers

General ScienceEasyPollution

24.

Ozone Hole is a _____________

A

Hole in the atmosphere

B

Destruction of ozone layer

C

Hole in the hydrosphere

D

Hole in the troposphere

General ScienceEasyPollution

25.

What is temporary threshold shift?

A

Hearing loss due to excessive noise

B

Noise that is untolerable

C

Tolerable noise

D

inaudible noise

General ScienceEasyPollution

26.

The combustion of waste in the absence of Oxygen is called

A

Haemolysis

B

Pyrolysis

C

Hydrolysis

D

None

General ScienceEasyPollution

27.

Torrey Canyon is famous for

A

Gulf of War

B

Industries

C

Electric Potential

D

Oil spillage

General ScienceEasyPollution

28.

The heating of earths atmosphere due to trapped radiation is known as

A

Global warming

B

Glass-House effect

C

Thermal effect

D

Green House Effect

General ScienceEasyPollution

29.

Global warming is caused by

A

GHGs

B

CFCs

C

$CH_4$

D

$NO_2$

General ScienceEasyPollution

30.

What is an Incinerator?

A

Furnace used for burning solid waste

B

Furnace used for treating liquid waste

C

Both a & b

D

None of the above

General ScienceEasyPollution

31.

The Residential and Commercial wastes mainly consist of:

A

Food wastes

B

Card board

C

Packaging materials

D

None of the above.

General ScienceEasyPollution

32.

Lead in water can cause

A

eye disease

B

arthritis

C

kidney damage

D

hair falling

General ScienceEasyPollution

33.

Any unfavorable alteration of the environment may be called as

A

eutrophication

B

environmental pollution

C

biomagnigication

D

bioaccumulation

General ScienceEasyPollution

34.

The unit of measurement of intensity of sound is in _________

A

decibels

B

lux

C

parsec

D

candela

General ScienceEasyPollution

35.

Which of the following enhances soil fertility?

A

Crop rotation

B

Improved methods of agriculture

C

Using new seed varieties

D

Irrigation

General ScienceEasyPollution

36.

Centre of Modern nuclear technology in India

A

CRAS

B

SARC

C

BARC

D

None of these

General ScienceEasyPollution

37.

Acid is an example of _____________

A

Corrosive waste

B

Infectious waste

C

Radioactive waste

D

Ignitable waste

General ScienceEasyPollution

38.

Ozone depletion is mostly caused by

A

Co2

B

CCL

C

CFCs

D

CO

General ScienceEasyPollution

39.

Disease aggravated by air pollution is

A

cholera

B

rheumatism

C

bronchitis

D

haemophilia

General ScienceEasyPollution

40.

Major cause of Ozone depletion is due to which chemical?

A

ChloroFluoroCarbons

B

Polyphenols

C

Dioxins

D

Rayon

Pollution in General Science : Practice MCQ Questions & Answers with Explanations

Pollution in General Science : Practice MCQ Questions & Answers with Explanations