Food for silk worms 

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

The process of cleaning the fleece by using soap ( or detergent) and a lot of water so as to remove dust, dirt, and grease, etec is called 

The cocoons have to be stiffted to kill ________ inside. 

After washing ________ is passed over the wool to  make it softer. 

A big silk seed growing centre is at 

Silk is mainly

The most common variety of silk is 

A piece of fabric burns  by giving a smell of burning hair. It is made up of 

A female moth lays around ______ eggs in one go.