Question # 1

Which is the major effect of global warming?

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Increase in temperature.

Rise in sea level

Melting of glaciers

All of them

The waste products driven out because of the combustion of fossil fuels.

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Primary pollutant

Secondary pollutant

Tertiary pollutant.

None of them

Almost all air crafts fly in which reion?

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Troposphere

Stratosphere

Mesosphere

Thermosphere

Which gas protects the Earth's surface from ultraviolet radiations?

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CO₂

CO

N₂

O₃

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

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1

2

3

4

Ozone is an allotropic form of

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Carbon

Oxygen

Sulphur

Phosphorous

Which is not a poisonous gas?

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Ozone

Chlorine

Carbon di oxide

All of them

Which metal present in acid rain affect the aquatic life by clogging fish gills?

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Lead

Chromium

Aluminium

Mercury

Which one of the following is not air pollutants?

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N₂

CO

NO₂

O₂

Ultraviolet radiations can causes.

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Hepatitis

Asthma

Skin cancer

Night blindness

Which gas is not present in atmosphere?

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Nitrogen

Oxygen

Helium

Carbon dioxide

Atmosphere is divided into;

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3 regions

4 regions

5 regions

6 regions

Normally rain water is weakly acidic because of.

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SO₃ gas.

CO₂gas.

SO₂gas.

NO₂gas.

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