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Question-1
Which energy conversion takes place during photosynthesis?
(A)
Heat energy to Light energy
(B)
Light energy to Heat energy
(C)
Light energy to Chemical energy
(D)
Heat energy to Chemical energy
Question-2
Electrical energy can be produced by
(A)
coal
(B)
water
(C)
uranium
(D)
all the above
Question-3
If we apply force on a moving object in the same direction, the speed of the object
(A)
decreases
(B)
remains the same
(C)
increases
(D)
increases or decreases
Question-4
Which one of the following cannot be done by using muscular force?
(A)
Changing the direction of a moving body
(B)
Stopping a moving body
(C)
Changing or decreasing the speed of a body
(D)
Increasing or decreasing the speed of a body
Question-5
The capacity to do work is called
(A)
force
(B)
energy
(C)
machine
(D)
movment
Question-6
On the removal of heat energy from water we get
(A)
steam
(B)
vapours
(C)
ice
(D)
dew
Question-7
In which one of the following activities is force used for pulling?
(A)
Blowing air into a balloon
(B)
Cycling
(C)
Stretching a rubber band
(D)
None of these
Question-8
The ultimate source of our energy is
(A)
sun
(B)
coal
(C)
wind
(D)
plants
Question-9
A football kicked by a boy rolls on the ground to some distance and stops. The force which stops the ball is
(A)
muscular force
(B)
gravitational force
(C)
mechanical force
(D)
frictional force
Question-10
In the battery cell, the energy is stored in the form of
(A)
electrical energy
(B)
muscular energy
(C)
chemical energy
(D)
solar energy
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Std 5
ICSE/ISC
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