Question

what is the silk thread made up of​

Answer 1

Answer:

silk cloth............

Answer 2

Answer:

• Silk thread is made up of fibroin protein secreted by the silkworm larvae.

Explanation:

• Silk fibre is a natural protein which is composed mainly of fibrin/ fibroin protein.

• It is secreted by silkworms in their larval developmental stage to form cocoons.

• It is one of the strongest natural fibres.

• In this stage these cocoons are collected and are boiled and the fibres are woven and collected to form round of silk fibres and with these different clothes are made.

• The rearing of silkworms for the production of silk fibres is called as Sericulture.