Question

is Silk is a natural fibre explain​

Answer 1

Silk is a "natural" protein fiber, some forms of which can be woven into textiles. The best-known type of silk is obtained from cocoons made by the larvae of the silkworm Bombyx mori reared in captivity. Rearing of silks is called sericulture. ... Spider silk is the strongest natural fiber known.

Answer 2

yes silk is a natural fibre obtained from silk worm.