WorksheetsGeo Ch 4: Air
Total questions: 15
Worksheet time: 9mins
Which of the following is defined as a blanket of air that surrounds the earth?
Ozone layer
Atmosphere
Greenhouse gas
None of these
Why CO2 is called the greenhouse gas?
It traps the heat radiated from the earth.
It traps the harmful rays of the sun.
Both a and b.
Only b.
Choose the correct consequence/s of global warming.
Water at the sea level is rising.
Glaciers are melting.
Many animal and plant species are on the verge of extinction.
All of these.
Which of the following is the most important gas of the atmosphere and why?
Nitrogen as it is the most plentiful gas.
Oxygen as it helps us to respire and survive on earth.
CO2 as it helps plants to produce oxygen.
Hydrogen as it is present in water.
What hot air rises, cold air rushes in to take its place. What is this is called?
Wind
Atmosphere
High pressure area
Air circulation
Global warming can bring back Jurassic era.
True
False
Arrange these layers of the atmosphere in the correct order:
I. Thermosphere II. Troposphere III. Mesosphere IV. Stratosphere V. Exosphere
II, IV, III, I & V
I, IV, V, III & II
I, II, III, V & IV
IV, V, III, II & I
(a) layer is free from the clouds.
Mesosphere contains a layer of ozone gas.
True
False
(a) is a part of Thermosphere, which enables it to transmit radio waves.
(a) is the most important layer of the atmosphere as it contains oxygen.
_____________ is the average weather condition of a place for a long time, while __________ changes on an hourly or a daily basis.
(a)
(a) is the incoming solar energy trapped by the earth.
On the Celsius scale, the water boils at 0 degree Celsius.
True
False
When air presses us, our body exerts a (a) pressure.
