Question # 1

Ozone layer is not found is

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Upper stratosphere

Mid stratosphere

Lower stratosphere

All of them

Atmosphere has regions.

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One

Two

Three

Four

PAN stands for

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Poly aniline nitrate

Proxy acetyl nitrate

Poly acetyl nitrite

Proxy acetyl nitrite

Which is not an air pollutant?

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CO₂

CO

SO₂

NH₃

ozone depletion (i.e O3--------------> O2 + O) occurs in:

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lower stratosphere

middle stratosphere

upper stratosphere

troposphere

How many atmospheric temperature increase every year due to accumulation of CO₂ in air.

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0.03 ^oC

0.05 ^oC

1^oC

2^oC

75% atmosphere mass lies in how many kilometers.

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11 km

30 km

50 km

85 km

The gas use by plants to perform photosynthesis.

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O₂

CO₂

N₂

CO

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 is not a part of flue gas?

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Furans

Dioxins

HCl

H₂SO₄

What percentage of nitrogen and oxygen is in the atmosphere.

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69%

79%

9%

89%

At which region all weather occurs?

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Troposphere

Stratosphere

Mesosphere

Thermosphere

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