chemistry

WHAT IS SYNTHETIC FIBRE

• Synthetic fibres are

  made by people using

  chemicals.

• Fibres obtained from

  plants and animalS are

  called natural fibres.

  Cotton ,jute ,wool and silk

  are natural.

• A particular type of animal developed for certain desirable

  characteristics.

WOOL IS

• ANIMAL FIBER

• PLANT FIBER

• MAN MADE FIBER

It is obtained mainly from the fleece of

• sheep , goats , camels

  rabbits.

• cats, cow , sheep

• cow ,sheep ,goats

The wool from different varieties of sheep differs in

• week, shine , strength

• fitness ,shine ,length ,and strength.

• fitness , power , sickly

what is rearing

• Sheeps are selectively bred to get offspring with desired , special

  characteristics .

• A particular type of animal developed for certain desirable

  characteristics.

• Keeping animals and caring for them to obtain useful products.

The finest wool is obtained from