Question # 1

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

Choose an answer

0-12 km

12-50 km

50-85 km

65-120 km

The waste products driven out because of the combustion of fossil fuels.

Choose an answer

Primary pollutant

Secondary pollutant

Tertiary pollutant.

None of them

Ozone is beneficial for us as it

Choose an answer

Absorb infrared radiation.

Absorb Ultraviolet radiations.

Absorb Chlorofluorocarbons

Absorb Air pollulant

Almost all air crafts fly in which reion?

Choose an answer

Troposphere

Stratosphere

Mesosphere

Thermosphere

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

Choose an answer

Oxygen

Carbon dioxides

sulphur dioxide

Hydrogen

Higher concentration of CO causes.

Choose an answer

Fatique

Headache

Both of them

None of them

Global warming causes rising of the sea level. The cause of global warming is.

Choose an answer

CO₂ gas.

SO₂gas.

NO₂gases.

O₃gas.

Percentage of nitrogen in atmosphere is:

Choose an answer

20.94%

78.09%

0.93%

0.03%

The Earth's atmosphere is getting hotter because of.

Choose an answer

Increasing concentration of CO

Increasing concentration of CO₂

Increasing concentration of O₃

Increasing concentration of SO₂

What percentage of nitrogen and oxygen is in the atmosphere.

Choose an answer

69%

79%

9%

89%

Depending upon temperature variation, atmosphere ins divided into how many regions?

Choose an answer

1

2

3

4

Ozone has a smell

Choose an answer

Bitter

Rotten egg

Sweat

None of them

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

Choose an answer

0.03 ^oC

0.05 ^oC

1^oC

2^oC

The sphere just above the Earth's surface is.

Choose an answer

Mescosphere

Stratosphere

Thermosphere

Troposphere

More Classes

Other Links

Chemistry 10th Class English Medium Unit 14 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer