Question

Cocoon are steamed give reasons

Answer 1

Answer:

to make them safe so that they won't crack

Answer 2

Silk is produced by silk worms when making their cocoons. To get the silk from the cocoons at the optimum time, before the worm makes a hole in the cocoon reducing it's value, they are placed in boiling water to kill the worm and make it easier to unwrap the silk threads.