Wool is obtained from the ____ of sheep.

Silk fibre is obtained from the _____ of the silk moth.

Which part of sheep's body yield fibres?

Which of the following do not provide wool?

Wool- yielding animals bear ____ on their body.

Air is _______conductor of heat.

Hair keeps Wool yielding animals _______.

Hairy skin of sheep has ___ types of fibres.

The process of selecting parents for obtaining special characters in their offspring, is termed as _________.