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Climatology

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

The Earth's atmosphere is a mixture of which of the following?

a)

Atmospheric gases

b)

Water vapour

c)

Aerosols

d)

All of these

2.

Which of the following gases is responsible for primarily heating up of the atmosphere?

a)

Carbon dioxide

b)

Ozone

c)

Nitrogen

d)

None of these

3.

The amount of water vapour in the atmosphere declines from

a)

Poles to equator

b)

Equator to poles

c)

Low altitude to high altitude

d)

Both b and c

4.

Which of the following option correctly describes Normal or Environmental Laps rate?

a)

6.5 F/km

b)

6.5 K/km

c)

6.5 degree C/km

d)

All of these

5.

Most of the atmospheric and weather phenomenons occur in which of the following atmospheric layer?

a)

Mesosphere

b)

Thermosphere

c)

Troposphere

d)

Stratosphere

6.

Which of the following gases protects the biospheric communities from harmful radiations of the Sun?

a)

Carbon dioxide

b)

Oxygen

c)

Ozone

d)

Argon

7.

Which of the following options correctly describes the altitude of stratosphere?

a)

5-30 km

b)

18-50 km

c)

50-90 km

d)

0-50 km

8.

Which of the following substances deplete the ozonosphere?

a)

Water vapour

b)

CFCs

c)

Propellants

d)

Both b and c

9.

Troposphere is the hottest part of the atmosphere because

a)

It is closest to the Sun

b)

Heat is generated in it

c)

It is heated by the Earth's surface

d)

There are charged particles in it

10.

The transition zone between troposphere and stratosphere is called

a)

Tropopause

b)

Stratopause

c)

Tropo-strato

d)

Ther is no zone between tropo and stratosphere

11.

Which of the following layers of atmosphere produces auroras in the sky?

a)

Mesopause

b)

Ionosphere

c)

Stratosphere

d)

Troposphere

12.

Which of the following is the highest layer of atmosphere?

a)

Homosphere

b)

Exosphere

c)

Mesopause

d)

Ionosphere

13.

What are possible effects of increasing amount of smoke in the troposphere?

a)

Reduced visibility

b)

Air quality is poor

c)

Acid rain formation

d)

All of these

14.

In which of the following layers, the temperature rapidly increases with altitude?

a)

Troposphere

b)

Stratosphere

c)

Thermosphere

d)

Homosphere

15.

In which of the following layers, there are distinct layers of gases?

a)

Homosphere

b)

Heterosphere

c)

Both a and b

d)

None of these

16.

The solar energy that reaches Earth is called

a)

Radiant energy

b)

Radiation

c)

Insolation

d)

Conduction

17.

The outermost portion of the Sun's atmosphere is called

a)

Photosphere

b)

Corona

c)

Chromosphere

d)

Halo

18.

Which of the following areas have largest annual range of temperature?

a)

Continents

b)

Oceans

c)

Forests

d)

Lakes

19.

The albedo of the Earth as a whole is

a)

25%

b)

50%

c)

35%

d)

10%

20.

On an average, the insolation received by poles is about what percentage of insolation received at the equator?

a)

20%

b)

39%

c)

68%

d)

2%

21.

Which of the following is transmitted in long wave?

a)

All radiations

b)

Terrestrial radiations

c)

Insolation

d)

Solar radiation

22.

The lower portion of the thermosphere is composed mainly of

a)

Hydrogen and helium

b)

Helium only

c)

Oxygen and nitrogen in molecular form

d)

Oxygen and nitrogen in atomic form

23.

The fall of temperature in troposphere is known as

a)

Adiabatic rate

b)

Lapse rate

c)

Temperature rate

d)

Thermal loss

24.

The emission in which of the following greenhouse gases, is entirely anthropogenic?

a)

Chloroflurocarbons

b)

Methane

c)

Nitrous oxide

d)

Hydrogen sulphide

25.

Which of the following regions on Earth has the highest concentration of dust particles?

a)

Equatorial region

b)

Polar region

c)

Tropical region

d)

Tundra region