Water resources are sources of water that are useful or potentially useful to humans. It is important because it is needed for life to exist. ... Virtually all of these human uses require fresh water. Only 2.5% of water on the Earth is fresh water, and over two thirds of this is frozen in glaciers and polar ice caps.

1. Water Resource
Question/Answer

2. Q1.
• Which is the first state in India to make roof top rain water
harvesting compulsory to all the houses?
a) Tamil Nadu
b) Kerala
c) Assam
d) Goa

3. A1
Answer: a
Explanation: Tamil Nadu is the first state in India which has
made roof top rain water harvesting structure compulsory
to all the houses across the state. If anyone failed to obey
this, there are legal provisions to punish the defaulters.
This method helps to save rain water.

4. Q2
• Which of the following is the major source of fresh water
which is available in India?
a) Ocean water
b) River water
c) Pond water
d) Ground water

5. A2
• Answer: d
Explanation: Ground water is the major source of fresh
water in India. Ground water can’t see or can’t access
easily. The important role of ground water sources play in
the water cycle is that they are the primary sources for
human consumption.

6. Q3
• The total surface of water in the earth surface
is_________________
a) 65%
b) 69%
c) 71%
d) 75%

7. A3
• Answer: c
Explanation: The total surface of the water in the earth
surface is 71%, while the other 29% consists of Continents
and Islands. The oceans hold about 96.5% of all Earth’s
water. The remaining 3.5% of water is stored in other water
bodies.

8. Q4
• Which planet is also known as blue planet?
a) Mercury
b) Venus
c) Earth
d) Mars

9. A4
• Answer: c
Explanation: About 71% of the earth’s surface is covered in
water, which appears blue from space. Earth is known as
blue planet because of its blue visibility when we see it
from outer space. No other planet is having such a large
amount of water this is also the reason for its blue color.

10. Q5
• The rank of India in terms of water availability per person
p.a in the world is_______________
a) 130th
b) 131st
c) 132nd
d) 133rd

11. A5
• Answer: d
•
Explanation: The per capita water availability in the country
is reducing due to the increase in population. According to
2011 census, the average annual per capita availability of
water in the country is 1545 cubic meters.

12. Q6
• Ground water is accessed by______________
a) Drilling wells
b) Drip irrigation
c) Check bunds
d) Constructing canals

13. A6
• Answer: a
Explanation: Ground water is commonly accessed either
through a bore or well. A well is a vertical shaft which is
dug into the ground. In order to drill a well we need to have
a permission from the government. Government provide
‘take and use license’ in most cases.

14. Q7
• What is water cycle?
• Water cannot be added or removed from the earth, and its
total amount remains the same. Its access only seems to
differ when it is in constant motion. It cycles all the way
through oceans, air, land and then back again to ocean
through the phenomenon of evaporation, precipitation, and
runoff. This process is called water cycle.

15. A7

16. QA 8
• Why is the earth known as a blue planet?
• About 71% of the earth’s surface is covered with water and
the remaining 29% is covered with land. Hence, the earth
is known as a blue planet.

17. QA 9
• Name some of the countries that are facing water
shortage.
• The countries that face water shortage are: Africa
West Asia and South Asia
North-west Mexico
Western USA
Australia