Fibre to Fabric

Fibre to fabric Worksheet-4

Multiple-Choice question:

31. From which of the following synthetic fibres are obtained?

(a) All of these                                 (b) Wood pulp

(c) Cotton linters or petrochemicals

32. Which animals besides sheep provide wool?

(a) Angora goat                               (b) Bactrian camel

(c) Both of these

Fibre to fabric Worksheet-5

Multiple-Choice question:

41. When wool is burnt, why do we get the smell of hair burn?

(a)     Because wool is obtained from the fleece of sheep, yak, and is made up of proteins.

(b)     Because wool is obtained from the fleece of sheep, yak, and is made up of cellulose.

(c)     Because wool is obtained from the fleece of sheep, yak, and is made up of chitin.

42. When nylon is burnt, why it smells different from hair burn or paper burn?

(a)     Nylon is a synthetic fibre made from chemicals and not proteins or carbohydrates

Fibre to fabric Worksheet-6

Multiple-Choice question:

51. Which is the false statement in the given s?

(a) Polyesters are not man made fibres

(b) Twisting makes the yarn stronger

(c) Jute fibres are obtained from the stem of the jute plant

(d) Jute crops are cultivated in the rainy season

52. Silk fibre is obtained from:

(a) Adult of silk moth                      (b) Cocoon of silk moth