Question # 1

Which gas is produce by the electrical lightening of air.

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NO

SO₂

SO₃

CO₂

The stratosphere layer is at height above the earth's surface.

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0-12 km

12-50 km

50-85 km

65-120 km

PAN stands for

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Poly aniline nitrate

Proxy acetyl nitrate

Poly acetyl nitrite

Proxy acetyl nitrite

At which region all weather occurs?

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Troposphere

Stratosphere

Mesosphere

Thermosphere

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

The gas used by animals to perform respiration.

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O₂

N₂

SO₂

Cl₂

Normal rain water is:

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weakly acidic

strongly acidic

weakly basic

strongly basic

75% atmosphere mass lies in how many kilometers.

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11 km

30 km

50 km

85 km

How much amount of sunlight reaches up to earth and absorbed:

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26%

32%

50%

18%

Major portion of ozone layer is foun in.

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Troposphere

Stratosphere

Mesosphere

Thermosphere

99% of atmosphere consists of .

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N₂and H₂

N₂and O₂

N₂and CO₂

O₂and CO₂

Ultraviolet radiations can causes.

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Hepatitis

Asthma

Skin cancer

Night blindness

Atmosphere has regions.

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One

Two

Three

Four

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