The process of removing seeds from cotton is called ginning.

Silk fibre is obtained from the stem of a plant.

Polyester is a natural fibre.

Stone is transparent, while glass is opaque

A notebook has lustre while eraser does not

Chalk dissolves in water.

A piece of wood floats on water.

Sugar does not dissolve in water.

Oil mixes with water.

Sand settles down in water.

Vinegar dissolves in water.

The movement and locomotion of all animals is exactly the same.

The cartilages are harder than bones

The finger bones do not have joints

The fore arm has two bones.

Cockroaches have an outer skeleton.