The process of taking out silk fibres from the cocoons for use as silk is called

The wool  of sheep is removed only once a year before the  beginning  of 

The cocoons have to be stiffted to kill ________ inside. 

Which of the following  fibres are made of proteins? 

Eggs of silk moth are called 

The hair of animals collectively called

A female moth lays around ______ eggs in one go. 

Food for silk worms 

Silk is mainly

The most common variety of silk is