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Atmosphere

Total questions: 12

Worksheet time: 7mins

Name
Class
Date
1.

The blanket of air that surrounds the Earth is called _____

a)

Atmosphere

b)

Biosphere

c)

Hydrosphere

d)

Lithosphere

2.

What is the Amount of Oxygen present in the atmosphere?

a)

12%

b)

21%

c)

20%

d)

19%

3.

The density of the atmosphere is (a)   near the Earth's Surface. ( Type the answer )

4.

About (a)   % of the total mass of the atmosphere lies within a height of 6 km.

5.

(a)   is the lowest layer of the Atmosphere. ( Type the answer)

6.

In which layer of the atmosphere does all the weather phenomena takes place ?

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

7.

Identify the layer of Earth marked in the above Diagram.

a)

Troposphere

b)

Mesosphere

c)

Stratosphere

d)

Thermosphere

8.

(a)   is a narrow boundary that separates the stratosphere and the Troposphere. ( Type the answer )

9.

The stratosphere contains ______ which absorbs the harmful ultraviolet Radiations of the Sun.

a)

Tropopause

b)

Water Vapour

c)

Dust

d)

Ozone

10.

The ________ layer keeps the Earth warm

a)

Mesosphere

b)

Thermosphere

c)

Troposphere

d)

Stratosphere

11.

The atmosphere extends up to (a)   km above the surface of the Earth. (Type the answer)

12.

_______ comprises the solid portion of the Earth.

a)

Biosphere

b)

Atmosphere

c)

Hydrosphere

d)

Lithosphere