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Question-1
The energy used for cycling comes from
(A)
the chemical energy of food
(B)
the heat energy of our body
(C)
the sound energy
(D)
the light energy
Question-2
Radha pushed a wall but failed to move it then
(A)
energy is not spent but work is done
(B)
energy is spent but work is not done
(C)
energy is not spent and work is not done
(D)
energy is spent and work is done
Question-3
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-4
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-5
The ultimate source of our energy is
(A)
sun
(B)
coal
(C)
wind
(D)
plants
Question-6
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-7
Which one of the following statements is NOT true?
(A)
Friction makes a moving object slow down and stop
(B)
Friction between two surfaces will make them hot
(C)
Friction also enables an object to stay in a stationary position
(D)
Friction decreases if roughness of an object increases
Question-8
On the removal of heat energy from water we get
(A)
steam
(B)
vapours
(C)
ice
(D)
dew
Question-9
A goal keeper stopped a moving ball by applying force. What inference can you draw this example ?
(A)
The ball was slow
(B)
Force applied by goal keeper is more than the force with the ball was moving
(C)
Force can stop a moving object
(D)
The ball stopped due to frictional force
Question-10
While playing football, the ball is passed from player to player at different speeds. It is possible because of
(A)
players expertise
(B)
the ground
(C)
gravitational pull
(D)
force
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Std 5
ICSE/ISC
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