Question # 1

How many percentage of sunlight is absorbed by atmosphere gases.

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12%

18%

24%

30%

Just above the Earth's surface is

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Mesosphere

Stratosphere

Theremosphere

Troposphere

About 99% atmosphere's lies within:

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30 kilometre

35 kilometre

15kilometre

11 kilometre

What gas is the major constituent of troposphere?

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Nitrogen

Oxygen

Hydrogen

Both a and b

A strange bitter smell noticed near photo copier machine is of.

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H₂S

SO₂

O₂

O₃

Which is not a character of SO₂

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it is a colourless gas

It has irritating smell

It causes suffocation

It do not form sulphuric acid

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

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1

2

3

4

Which gas acts as a glass wall of a green house?

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Oxygen

Carbon dioxides

sulphur dioxide

Hydrogen

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.

Fossil fuel means.

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Coal

Petroleum

Natural gas

All of them

Which of the following is a secondary pollutant.

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CO₂

CO

SO₃

HF

pH of acid rain is:

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7-5

6-7

1-2

4-5

___________ is not green house effect.

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Increase of food chain

increase atmospheric pressure

Increase of sea level

Increase of flood risks

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