CBSE And NCERT Study Material With Solutions for All Classes

FIBRE TO FABRIC

Text Book Exercise:
                           
Q1.  Classify the following fibres as natural or synthetic:
nylon, wool, cotton, silk, polyester, jute
Ans :
Natural : wool, cotton, silk, jute.
Synthetic : nylon, polyester.

Q2.  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 seed 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.
  Ans :
       (a)   True
       (b)  False
       (c)   False
       (d)  True
       (e)   True
       (f)    False
       (g)   false

Q3.  Fill in the blanks:
(a)   Plant fibres are obtained from__ _______ and ________ .
(b)  Animals fibres are __________ and ___________ .
Ans :
(a)               Cotton, jute
(b)              Wool, silk
Q4.   From which parts of the plant cotton and jute are obtained?
Ans : Cotton is obtained from its seeds and jute is obtained from its stem.
Q5.       Name two items that are made from coconut fibre.
Ans : Carpet and rope.
Q6.       Explain the process of making yarn from fibres.
Ans : The process of making yarn from fibres is called spinning in which fibres from a mass of cotton wool are drawn out and twisted. This brings the fibres together to form a yarn.  

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