Q 1.

Classify the following fibres as natural or synthetic.
Nylon, wool, cotton, silk, polyester, jute

SOLUTION:

Natural fibres	Synthetic fibres
Wool	Nylon
Cotton	Polyester
Silk
Jute

Q 2.

State whether the following statements are true or false.

(A) Yarn is made from fibres.
(B) Spinning is a process of making fibres.
(C) Jute is the outer covering of coconut.
(D) The process of removing seeds from cotton is called ginning.
(E) Weaving of yarn makes a piece of fabric.
(F) Silk fibre is obtained from the stem of a plant.
(g) Polyester is a natural fibre.

SOLUTION:

(A) True
(B) False : Spinning is the process of making yarn from fibres.
(C) False : Jute is obtained from jute plant (Corchorus).
(D) True
(E) True
(F) False : Silk fibre is obtained from silkworm (animal).
(g) False : Polyester is a synthetic fibre.

Q 3.

Fill in the blanks.
(A) Plant fibres are obtained from_________ and ________ .
(B) Animals fibres are __________ and ___________ .

SOLUTION:

(A) stem, seed
(B) wool, silk

Q 4.

From which parts of the plant, cotton and jute are obtained

SOLUTION:

Cotton is obtained from the seed bolls called cotton bolls of the plant and jute is obtained from stem of the jute plant.

Q 5.

Name two items that are made from coconut fibre.

SOLUTION:

Ropes and doormats are made from coconut fibre.

Q 6.

Explain the process of making yarn from fibre.

SOLUTION:

The process of making yarn from fibre is called spinning. During spinning, a number of fibres are taken together and then twisted. Spinning can be done with takli, charkha and spinning machines.