NCERT Solutions for Class 6 Science Chapter 3 - Fibre to Fabric
Chapter 3 - Fibre to Fabric Exercise 24
a.Natural fibres: Fibres obtained from natural sources like plants and animals. Example-silk, wool.
b.Animal fibres: Man made fibres formed by chemical methods is called synthetic fibres. Example-rayon, nylon.
Wool and silk are obtained from animals and cotton and jute are obtained from plants. Hence, they are natural fibres. Nylon and polyester on the other hand are prepared artificially and are therefore synthetic fibres.
b) Spinning is a process of making fibres. (False)
Concept insight: Process of making yarn from fibres is called spinning.
c) Jute is an outer covering of coconut. (False)
Concept insight: Jute is obtained from the stem of Jute plant.
d) The process of removing seeds from cotton is called ginning. (True)
e) Weaving of yarn makes a piece of fabric. (True)
f) Silk fibre is obtained from the stem of a plant. (False)
Concept insight: Silk fibre is obtained from cocoon of a silk moth.
g) Polyester is a natural fibre. (False)
Concept insight: Polyester is a synthetic fibre.
(b) Wool and silk.
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