WorksheetsCatalyst Class 8
Total questions: 7
Worksheet time: 4mins
What is the major difference between a human skin cell and a human egg cell?
The egg cell has twice as many
chromosomes as the skin cell.
The egg cell has half as many chromosomes
as the skin cell
The skin cell has no genetic information in
its chromosomes.
Only the egg cell has a nucleus.
Which one of the following fertilizers has the maximum percentage of nitrogen?
Ammonium Sulphate
Urea
Calcium Ammounium Nitrate
When a rubber sucker is pressed on a plane surface then it sticks to the surface because of:-
the pressure exerted by us
the air sucked by rubber
the pressure of atmosphere acting on it
none of these
The force exerted on a normal human being due to atmospheric pressure is:
2×103
2×104
2×105
None of these
What is the value of gravity?
10
20
9.8
None of these
A passenger in a moving train tosses a coin outside which falls behind him. Then the motion of the train is ______
Uniform motion
Retarted motion
Accelerated motion
Not enough information
Inertia acting on a object causes it to
to increase its speed
to decrease its speed
to resist any change in its state of motion
to decelerate due to friction
