Class 7 Geography Chapter 4 Question Answers - Air

Very Short Q & A :

Q1: All the living being on the earth depends on the atmosphere for the survival.( T/F)

Ans : True

Q2: Oxygen is the most plentiful gas in the air. (T/F)

Ans : False

Q3: Green plants use ………… to make their food.

Ans : Carbon dioxide

Q4: Which among the following sphere suitable for flying aeroplanes.

Ans : Stratosphere

Q5: In……………meteorites burn up in this layer on entering from the space.

Ans : Mesosphere

Q6: In thermosphere temperature rises very rapidly with increasing height. (T/F)

Ans : True

Q7: Which among the following is not a part of atmosphere?

a. Troposphere

b. Stratosphere

c. Mesosphere

d. Hydrosphere

Ans : Hydrosphere

Q8: The amount of ……………… decreases from the equator towards the pole.

Ans : Temperature

Q9: The air pressure is highest at sea level and decreased with height. (T/F)

Ans : True

Q10: Those wind which blow only during a particular period of the day or year in a small area is called…………….

Ans : Seasonal winds

Q11: Exosphere is the uppermost layer of the earth.(T/F)

Ans : True

Q12: In which of the following layer of atmosphere almost all the weather phenomena occurs.

a. Troposphere

b. Stratosphere

c. Mesosphere

d. Exosphere

Ans : Troposphere

Q13: The degree of hotness and coldness of of the air is known as……………….

Ans : Temperature

Q14: ………………………released in the atmosphere creates a green house effects.

Ans : Carbon dioxide

Q15: When air is heated it expands, become lighter and goes up. (T/F)

Ans : True

Q16: Climate is hour to hour ,day to day condition of atmosphere .(T/F)

Ans : False