Question

The pupa of silkworm are killed to produce silk. why?

Answer 1

Answer:

After the cocoon formation, the pupa inside it goes on growing process. If the pupa is not killed, the silk threads are broken into pieces. Hence we should kill pupa to avoid this situation while getting silk.

Answer 2

Answer:

because they are in cocon and cocoons are boiled to kill pupa this done by boilling of coocons methods