EASY
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The water found below the water table is called  .

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Important Questions on Water

EASY
What are the huge reservoirs of water inside the earth called? ( Aquifer/ Bawris )
MEDIUM

You have learnt that seawater is not fit for use because it is saline. In cases of shipwrecks, how do the survivors who are adrift on lifeboats sometimes manage to get fresh drinking water? 

MEDIUM

How can the water table be raised?

EASY
From where is the water table measured?
MEDIUM
Why is seawater not fit for drinking?
EASY
_____ form from melting of mountain snow. (Rivers/ Well water)
EASY
What is the depth of water surface in a well from the surface of the earth called?
MEDIUM

Explain what happens to rainwater when it falls on the following.

A farmer's field.

MEDIUM
Why can we not use ocean water for our daily needs?
EASY
What is the upper level where all the pores in the soil and gaps between the rocks are filled with water called?
HARD
Make a sketch showing groundwater and water table. Label it.
EASY

What is the effect of rainfall on the water table?

EASY
What is the water collected at certain locations in the lower layers of the soil called? ( Groundwater/ Surface water )
EASY
How much of the Earth's water is freshwater? (Give in percentage without symbol)
 
EASY

Fill in the blank with an appropriate option:

_____(Seawater/Pond water/Rainwater) is the purest form of water. 

EASY
Name some important rivers of Karnataka.
MEDIUM
_____ is the level of water under the ground.
EASY
Name one natural sources of saline water.