Question

12.
Ecosystem stores an essential element to reg
a) Nitrogen
b) Hydrogen
13.
c) Carbon
d) Oxygen
Which of the following tiger species is/are already extinct :
a) Both Javan tiger & siberian tiger b) Both Javan tiger & Caspian tiger
c) Both Caspian tiger & white tiger
d) Both Siberian tiger & caspian tiger
Which of these is a well known migratory species?
14.
a) golden finches
b) Albatross
c) Dodo
d) Archaeopteryx
A boy having area of 70 cm sq. exerts a pressure of 7N/cm sq. on the ground. The Force a
on the ground will be
15.
a) 77 N
b) 10 N
c) 490 N
d) 100 N
16.
The force required to move a stationary body is called
a) Gravitational force
b) Unbalanced force
c) Frictional force
d) Balanced force
17.
The frictional force that counterbalance the applied force during stationary state is
a) Static friction
b) Kinetic friction c) momentary friction ​

Answer 1

Answer:

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