Wool
Wool
Wool: Wool is an animal fibre. It comes from the animals like sheep, goat, llama and alpaca. It is present as a thick coat of hair on the body of certain animals which keeps them warm. This body coat fine soft hair is called fleece. Air gets trapped in the space between the hair. Since air is a poor conductor of heat. So, the air trapped in hair shields the body from cold and keeps them warm in winter. The hair close to our skin i.e. hair on our body and arms is soft and hair on our head is coarse hair. Like us, the hairy skin of sheep has two types of fibres that form its fleece (or wool):
The fine soft under hair provide the fibre for making wool. To obtain breeds of sheep that possess only fine under hair, their parents are carefully chosen. This process of selecting parents for obtaining special characteristics in their offspring such as soft under hair in sheep is termed as ‘selective breeding.’ Such sheep give not only better quality of wool but the yield per sheep is also higher. Australia is the biggest grower of wool in the world.
Characteristics of Wool:
Which of these is the leading producer of wool today? | |||
| Right Option : C | |||
| View Explanation | |||
Woolen fibre is ______________ | |||
| Right Option : D | |||
| View Explanation | |||
Complete the correlation : Silk worm : Cocoon, Wool : ___________ | |||
| Right Option : B | |||
| View Explanation | |||
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10thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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10thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
