Question

Make sketches of the two stages in the life history of the silk moth which
are directly related to the production of silk.
Topic: Fibre to Fabric

Answer 1

The two stages in the life history of the silk moth which are directly related to the production of silk:

=> Spinning of cocoon of silk threads around caterpillar.

=> Changing of caterpillar into pupa.

Answer 2

The two stages in the life history of the silk moth which are directly related to the production of silk are:

1. Caterpillar makes a cocoon of silk threads around itself little by little and covers itself completely.

2. Then the caterpillar change into pupa. This is when the silk threads are obtained for the production of silk fabrics.