One Mark Questions Answers

Social Science : Geography

ATMOSPHERE

I. Choose the best answer

1. ______ is the most important gas for the survival of living organisms.

a) Helium

b) Carbon - di - oxide

c) Oxygen

d) Methane

Answer : c) Oxygen

2. The lowest layer of the atomosphere is

a) Troposphere

b) Stratosphere

c) Exosphere

d) Mesosphere

Answer : a)Troposphere

3. _________ reflects radio waves.

a) Exosphere

b) Ionosphere

c) Mesosphere

d) Stratosphere

Answer : c) Mesosphere

4. The process of change of state of water from gaseous to liquid state is called

a) Precipitation

b) evaporation

c) transpiration

d) condensation

Answer : d) condensation

5. The ______ is the chief energy source of the Earth.

a) Sun

b) Moon

c) Stars

d) Clouds

Answer : a) Sun

6. All types of clouds are found in the

a) Troposphere

b) Ionosphere

c) Mesosphere

d) Exosphere

Answer : a) Troposphere

7. ______clouds are called 'Sheep clouds'

a) Alto - cumulus

c) Nimbo - stratus

b) Alto - Stratus

d) Cirro - stratus

Answer : a) Alto-cumulus

8. The Monsoons are

a) Prevailing winds

c) Local winds

b) Periodic winds

d) None of the above

Answer : b) Periodic winds

9. Dew in the form of ice crystals is called

a) frost

b) fog

c) mist

d) sleet

Answer : a) frost

10. _______ is called the eye of the storm / cyclone.

a) pressure

b) wind

c) cyclones

d) snow

Answer : c) cyclones

11. The vertical movement of air is called

a) Wind

b) Storm

c) Air current

d) Drift

Answer : c) Air current

II. Match the following

1. Meteorology – a. wind speed

2. Climatology – b. direction of wind

3. Anemometer – c. cirrus

4. Wind vane – d. study of climate

5. Mare's Tail – e. study of weather

6. Leeward side – f. Australia

7. Willy willy – g. rain shadow region

Answers

1. Meteorology – study of weather

2. Climatology – study of climate

3. Anemometer – wind speed

4. Wind vane – direction of wind

5. Mare's Tail – cirrus

6. Leeward side – rain shadow region

7. Willy willy – Australia