NCERT Class 6 Science Chapter 3 Fibre to Fabric


Chapter 3 Fibre to Fabric

Question 1: Classify the following fibres as natural or synthetic:
nylon, wool, cotton, silk, polyester, jute
Answer:

Natural fibres
→ Wool
→  Cotton
→ Silk
→ Jute

Synthetic fibres
→ Nylon
→ Polyester

Question 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 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.
Answer:

a) True
b) False
c) False
d) True
e) True
f) False
g) False

Question 3: Fill in the blanks:
a) Plant fibres are obtained from_________ and ________.
b) Animals fibres are __________ and ___________.
Answer:

a) Plant fibres are obtained from cotton and jute.
b) Animals fibres are silk and wool.

Question 4: From which parts of the plant cotton and jute are obtained?
Answer:
Cotton is obtained from the fruits of cotton plants while the jute is obtained from the stem of the jute plant.

Question 5: Name two items that are made from coconut fibre.
Answer:
The two items that are made from coconut fibres are ropes and mats.

Question 6: Explain the process of making yarn from fibre.
Answer:
The process of making yarn from fibres is called spinning. In this process, fibres from a mass of cotton wool are drawn out and twisted. This brings the fibres together to form a yarn. A simple device used for spinning is a hand spindle, also called takli. Another hand operated device used for spinning is charkha.

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