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Question-1
Ocean water is highly ____________ and hence unfit for drinking.
(A)
Sour
(B)
Salty
(C)
Sugar
(D)
Both (a) and (c)
Question-2
Most of the fresh water returns to the oceans through
(A)
Rivers
(B)
Rains
(C)
Well
(D)
Aquifer
Question-3
Desalination is an artificial process by which saline water (sea water) is converted to fresh water.
Minjur desalination plant is located about __________ km north of Chennai.
(A)
38
(B)
34
(C)
35
(D)
12
Question-4
The Tamil Nadu Government has decided to solve the freshwater problems by the ___________ of sea water.
(A)
Salination
(B)
Desalination
(C)
Fresh water
(D)
both (b) and (c)
Question-5
The solid form of water is
(A)
Fog
(B)
Ice
(C)
Water vapour
(D)
Water droplets
Question-6
Underground water is also called an
(A)
Aquifer
(B)
Water table
(C)
Salination
(D)
Sea water
Question-7
Water freezes to ice at __________________
(A)
0
(B)
4
(C)
6
(D)
8
Question-8
Many parts of world are losing fresh water sources due to _______________ intrusion.
(A)
Salt water
(B)
Ground water
(C)
Rain water
(D)
Salty water
Question-9
Natural Resources Day is celebrated on
(A)
5
th
October
(B)
22
nd
April
(C)
21
st
March
(D)
25
th
Nov
Question-10
Chennai Metropolitan water supply and Sewage Board is referred as
(A)
CMWSSB
(B)
NCERT
(C)
Minjur desalination plant
(D)
None
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Std 7
Tamil Nadu (English Medium)
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