Class 7
Science :- Fibre to Fabric_Part1
Wool is obtained from the ________ of sheeps,goats and yaks
Fleece
Horns
Foods
None of these
Why do sheeps,yaks and goats grow so much fleece in their body?
To keep them cold
To keep them warm
To help them swim
To help them fight diseases
How does these hairs/fleece help them keep warm?
By trapping water
By increasing weight
By trapping air
It does not help them keep warm
Which among these is/are types of sheep fibres?
Coarse beard hair
Fine soft under hair
Both a and b
None
Pashmina shawls are made from the wool of?
Alpaca
Llama
Yaks
Angora goats