Question

to which class of organic substance does silk fibre belong?

Answer 1

Answer:

it belongs to natural fabric

Answer 2

ANSWER:

Silk fibre belongs to protein class of organic substance which is natural fibre.

EXPLANATION:

After the larva getting ready for entering the next stage; a liquid is secreted from the salivary glands. These salivary glands are present on its head. Now, the solidification of this liquid leads to the formation of fine fibre. Solidification of liquid occurs when it is in contact with air.

Sustainable clothing  is related to fabrics which are derived from eco-friendly resources like sustainably grown fibre crops or recycled materials.