Description : Silk fibre chemically is – (1) Carbohydrate (2) Fat (3) Protein (4) Cellulose
Last Answer : (3) Protein Explanation: Silk is a natural protein fibre, some forms of which can be woven into textiles. The protein fibre of silk is composed mainly of fibroin and produced by ... fibre, which allows silk cloth to refract incoming light at different angles, thus producing different colours.