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Question-1
Rain water harvesting is a method employed to :
(A)
Stop soil erosion in a place
(B)
raise the water table of a place
(C)
increase afforestation around a place
(D)
decrease floods and droughts in a place.
Question-2
Which one is the purest form of water?
(A)
River water
(B)
Ground water
(C)
Rain water
(D)
Ocean water
Question-3
The process of obtaining salt from sea water involves :
(A)
evaporation
(B)
condesation
(C)
sublimation
(D)
none of these
Question-4
The percentage of water in potato is
(A)
88
(B)
75
(C)
90
(D)
95
Question-5
Saline water is useful for :
(A)
washing clothes
(B)
drinking
(C)
for agriculture
(D)
dressing injured skin
Question-6
Circulation of water between ocean and land is known as
(A)
water cycle
(B)
rain cycle
(C)
water management
(D)
water harvesting
Question-7
Potable water is
(A)
ocean water
(B)
ground water at selected places
(C)
river water
(D)
ponds water
Question-8
Which is a result of condensation of water vapours?
(A)
Rain
(B)
Snowfall
(C)
Hail
(D)
Tiny water droplets
Question-9
Water is called the universal solvent because:
(A)
it dissolves in most of the liquids
(B)
it can dissolve most of the substances
(C)
it contains many salts and minerals
(D)
it can exist in three states
Question-10
Plants release large amount of water vapour into the atmosphere by the process is called
(A)
evaporation
(B)
condensation
(C)
precipitation
(D)
transpiration
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Std 6
CBSE
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Changes Around Us
Sorting Materials into Groups
Separatlon of Substances
Garbage In, Garbage Out
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Air Around Us
Motion and Measurement of Distance
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