Question

B. Fill in the blanks.
1. The thread that is made from fibres is called ________
2. _______ fibres are made from human-made materials.
3. Raw cotton fibres are made into thread by __________.
4. _______ is one of the cheapest natural
fibres.
5. The rearing of silkworms for the production of silk is called _________​

Answer 1

✬ ANSWER ✬

1.) The thread that is made from fibres is called yarn.

2.) Synthetic fibres are made from human-made materials.

3.) Raw cotton fibres are made into thread by spinning process.

4.) Jute us one of the cheapest natural

fibre.

5.) The rearing of silkworms for the production of silk is called Sericulture.

_____________________

★ Some other important terms ★

• Shearing :- The removal of wool with a thin layer of skin from body of sheep is known as shearing.

• Sericulture :- The rearing of silk moth is known as sericulture.

• Reeling :- The process of obtaining silk fibres from the cocoons.

• Scouring :- The process by which grease , dirt and dust are removed from the hair of sheep is called scouring.

• Carding :- The process by which curly wool fibres are straightened is known as carding.

Answer 2

Answer:

1. The thread that is made from fibres is called yarn.

2. polyester fibres are made from human-made materials.

3. Raw cotton fibres are made into thread by the weaving process.

4.  Jute is one of the cheapest natural

fibres.

5. The rearing of silkworms for the production of silk is called sericulture