Question # 1

Depending upon temperature variation, atmosphere ins divided into how many regions?

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1

2

3

4

The smell of photocopies machine is due to the presence of.

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Chlorine gas

Neon gas

Helium gas

Ozone gas.

Almost all aircrafts fly in:

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troposphere

mesosphere

stratosphere

themosphere

pH of acid rain is:

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7-5

6-7

1-2

4-5

Which one of the following is not an air pollutants?

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Nitrogen

Carbon dioxide

Nitrogen oxide

Ozone

How much amount of sunlight reaches up to earth and absorbed:

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26%

32%

50%

18%

The envelope of different gases around the earth is called.

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Atmosphere

Brosphere

Lithosphere

Hydrosphere

Global warming is because of.

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Absorption of infrared radiation emitted by earth surface.

Absorption of infrared radiation coming from sun.

Absorption of infrared Ultraviolet coming from the sun.

Emission of ultraviolet radiation from the earth's surface.

A pollutant is a waste material that pollutes.

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Air

Water

Soil

All of them

Almost all air crafts fly in which reion?

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Troposphere

Stratosphere

Mesosphere

Thermosphere

A group of gases that maintains temperature of atmosphere is.

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Carbon dioxide and water vapours

Nitrogen and carbon dioxide

Thermosphere

Troposphere

Ozone layer is not found is

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Upper stratosphere

Mid stratosphere

Lower stratosphere

All of them

PAN stands for

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Poly aniline nitrate

Proxy acetyl nitrate

Poly acetyl nitrite

Proxy acetyl nitrite

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