Std – 8 Geography Revision
Q1) Choose the correct option:
1) The air that contains moisture to its full capacity is _________ air.
a. dry b. humid c. saturated
2) The amount of vapour in 1 cu.m. of air shows the ______.
a. Relative humidity b. Absolute humidity
3) The ______ of air is dependent on the temperature of air.
a. vapour holding capacity b. movement
4) The depth of the Mariana trench is around ________ metres.
a. 11043 b. 11034 c. 11024
5) How much surface of the earth is covered by water?
a. 21% b. 79% c. 71%
6) Extensive fishing grounds are found in the ________.
a. continental slope b. continental shelf c. coast
Q.2) Match the following:
A B
1) Iceland a) Indian Ocean
2) Andaman and Nicobar Island b) Pacific Ocean
3) Chagos Plateau c) Floating clouds
4) The Mariana Trench d) Atlantic Ocean
5) Alto-stratus e) Bay of Bengal
6) Cirrus f) Snow flake clouds
Q3) Answer in one sentence:
1) What is relative humidity?
2) Which landforms are useful for deep sea research?
3) What is condensation?
4) Which landforms are used for the protection of marine borders and naval
base building?
Q4) Give geographical reasons:
1) Clouds float in the sky.
2) Air becomes saturated.
3) The study of ocean floor is useful to man.
4) Some marine islands are actually the peaks of sea mountains.
Q5) Answer briefly:
1) Difference between Cumulus clouds and Cumulonimbus clouds.
2) Which type of clouds give rain?
3) Why is the continental shelf a paradise for fishing activity?
4) Difference between humidity and clouds.
Q1) Choose the correct option:
1) The air that contains moisture to its full capacity is _________ air.
a. dry b. humid c. saturated
2) The amount of vapour in 1 cu.m. of air shows the ______.
a. Relative humidity b. Absolute humidity
3) The ______ of air is dependent on the temperature of air.
a. vapour holding capacity b. movement
4) The depth of the Mariana trench is around ________ metres.
a. 11043 b. 11034 c. 11024
5) How much surface of the earth is covered by water?
a. 21% b. 79% c. 71%
6) Extensive fishing grounds are found in the ________.
a. continental slope b. continental shelf c. coast
Q.2) Match the following:
A B
1) Iceland a) Indian Ocean
2) Andaman and Nicobar Island b) Pacific Ocean
3) Chagos Plateau c) Floating clouds
4) The Mariana Trench d) Atlantic Ocean
5) Alto-stratus e) Bay of Bengal
6) Cirrus f) Snow flake clouds
Q3) Answer in one sentence:
1) What is relative humidity?
2) Which landforms are useful for deep sea research?
3) What is condensation?
4) Which landforms are used for the protection of marine borders and naval
base building?
Q4) Give geographical reasons:
1) Clouds float in the sky.
2) Air becomes saturated.
3) The study of ocean floor is useful to man.
4) Some marine islands are actually the peaks of sea mountains.
Q5) Answer briefly:
1) Difference between Cumulus clouds and Cumulonimbus clouds.
2) Which type of clouds give rain?
3) Why is the continental shelf a paradise for fishing activity?
4) Difference between humidity and clouds.