Question # 1

The green house effect is proportional to the amount of which gas in air.

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CO₂

O₂

N₂

All of them

Acid rain affects the aquatic life by clogging fish gills because of:

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Lead metal

Chromium metal

Mercury metal

Aluminium metal

Which of the following can be used as a fuel?

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Methanol

Ethanol

Bio-diesel

All of them

On which base atmosphere is divided into four regions?

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Change in pressure

Change in rediation

Change in temperature

Change in volume

Which one of the following is not air pollutant.

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CO₂

CO

NO₂

O₂

Incinerator reduces solid waste into .

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Ash

Flue gas

Heat

All of them

High concentration of which metal clogs the fish gills.

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Zinc

Aluminium

Sodium

Copper

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

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Oxygen

Carbon dioxides

sulphur dioxide

Hydrogen

Which of the following is a poisonous gas.

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Oxygen

Ozone

Nitrogen

Carbon dioxide

The pH of acid rain.

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2

3

4

5

Which gas is not present in atmosphere?

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Nitrogen

Oxygen

Helium

Carbon dioxide

Our planet earth consists of ____________ natural Spheres.

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1

4

6

8

Which gas saves the surface of earth from ultra violet radiation?

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CO₂

CO

N₂

O₃

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