Question # 1

Which one of the following is not a greenhouse Effect?

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Increasing atmosphere temperature.

Increasing food chains

increasing flood risks

Increasing sea-level

Which one of these pollutants are not found in car exhaust fumes?

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CO₂

O₃

NO₂

SO₂

Our planet earth consists of ____________ natural Spheres.

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1

4

6

8

Almost all aircrafts fly in:

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troposphere

mesosphere

stratosphere

themosphere

Which gas is also known as life gas for plants.

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CO

CO₂

O₂

NO₂

The Earth's atmosphere is getting hotter because of.

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Increasing concentration of CO

Increasing concentration of CO₂

Increasing concentration of O₃

Increasing concentration of SO₂

Acid rain damages the building it is due to reaction on.

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Calcium sulphate

Calcium nitrate

Calcium carbonate

Calcium oxilat

Which gas is in involved in ozone depletion?

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Nitrogen

CFC's

Chlorine

All of them

Ozone is beneficial for us as it

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Absorb infrared radiation.

Absorb Ultraviolet radiations.

Absorb Chlorofluorocarbons

Absorb Air pollulant

The percentage of SO₂released by the combustion of coal and petroleum product.

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40%

60%

70%

80%

Atmospheric region found between 50-58 km from the earthis.

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Thermosphere

Stratosphere

Mesophere

Thermosphere

Atmosphere is divided into;

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3 regions

4 regions

5 regions

6 regions

Ozone is an allotropic form of

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Carbon

Oxygen

Sulphur

Phosphorous

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