Question # 1

The formula of ozone is.

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O₂

O₃

O

CO

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

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Thermosphere

Stratosphere

Mesophere

Thermosphere

High concentration of which metal clogs the fish gills.

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Zinc

Aluminium

Sodium

Copper

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.

The percentage of sun light absorbed by atmospheric gases is.

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2%

10%

18%

25%

The gas used by animals to perform respiration.

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O₂

N₂

SO₂

Cl₂

Which is not a poisonous gas?

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Ozone

Chlorine

Carbon di oxide

All of them

Atmosphere is divided into;

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3 regions

4 regions

5 regions

6 regions

Which is not a part of flue gas?

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Furans

Dioxins

HCl

H₂SO₄

Cause of global warming is:

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CO₂gas

SO₂gas

NO₂gas

O₂gas

Effects of ozone depletion are following except the one.

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Increases infectious diseases

Increases crops production

Can cause skin cancer

Can cause climatic changes.

Ozone is an allotropic form of

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Carbon

Oxygen

Sulphur

Phosphorous

Which gas is in involved in ozone depletion?

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Nitrogen

CFC's

Chlorine

All of them

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