Air (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 10 - 14 of 20

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Question number: 10

» Air » Sources of Pollution

Appeared in Year: 2015

MCQ▾

Question

Elemental carbon influences the regional climate because: (June)

Choices

Choice (4) Response
a.

It influences the radiative flux in the atmosphere due to its absorbing properties.

b.

Its concentration is usually more in the atmosphere.

c.

It coagulates with other atmospheric pollutants.

d.

It reacts with other pollutants.

Question number: 11

» Air » Monitoring and Control of Air Pollution

Appeared in Year: 2015

MCQ▾

Question

Aeromycoflora can be trapped and quantified by: (June)

Choices

Choice (4) Response
a.

Respirable dust sampler

b.

Anderson air sampler

c.

Rotorod air sampler

d.

Gregory air sampler

Question number: 12

» Air » Sources of Pollution

Appeared in Year: 2015

MCQ▾

Question

Bioremediation of xenobiotics (like Malathion) through hydrolysis involves their detoxification by: - (June)

Choices

Choice (4) Response
a.

Removal of phosphate

b.

Removal and addition of water

c.

Removal of water

d.

Addition of water

Question number: 13

» Air » Monitoring and Control of Air Pollution

Appeared in Year: 2015

MCQ▾

Question

According to Gaussian Plume Model, the maximum ground level concentration (c) varies with height (H) of chimney: (June)

Choices

Choice (4) Response
a.

CH2

b.

CH32

c.

CH12

d.

C1H

Question number: 14

» Air » Primary and Secondary Pollutants

Appeared in Year: 2009

MCQ▾

Question

Which radioactive element is considered under Indoor pollutants category? - (December)

Choices

Choice (4) Response
a.

N –13

b.

Radon

c.

Carbon 14

d.

O –16

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