physics and bio test class 8

The first step before growing crop is _________of the soil

damaged seeds would ________on the top of water.

state true or false

wheat ,gram and pea are rabi crops

• true

• false

state true or false

the same kind of plants grown and cultivated on a large scale at a place is called crop.

• true

• false

the cutting of crop after it is mature is called

• irrigation

• winnowing

• harvesting

• threshing

A charged body ________an uncharged body towards it

The north pole of a magnet___________the north pole of a another magnet

state true or false

the envelope of air is known as atmosphere

• true

• false

The force acting on a unit area of a surface is called

• Force of gravity

• non-contact force

• pressure

• electrostatic force

The force due to which earth attracts everything towards it is

• gravitational force

• electrostatic force

• mechanical force

• muscular force