Q. Silk consists of

A) Central core of sericin
B) Central core of fibroin
C) Both (a) and (b)
D) A fine mixture of fibroin and sericin
Explanation

The central core of silk fibre is made up of fibroin protein. Silk fibres are soft and flexible. These are composed of $\beta$-pleated sheets.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.