Animal Fibers - Silk

What is Fiber?

• It is a wool coat of animals

• A long, narrow and flexible thread of a natural or artificial substance.

• A short and flexible thread of a natural or artificial substance.

• A long, and still thread of a natural or artificial substance.

Wool yielding animals are

• Sheep

• Silk worm

• Dog

• Giraffe

Best quality wool is obtained from________

The wool fiber is straightened by the method called _________

Air trapped in wool acts as an insulator.

• True

• False

Silk is lustrous.

• False

• True