CBSE Science Class 6 NCERT Solution Fibre To Fabric Chapter 3
1. Classify the following fibres as natural or synthetic :
nylon, wool, cotton, silk, polyster, jute
Answer:
Natural - wool, cotton, silk, jute.
Synthetic - nylon, polyester
2. State whether 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 plant.
(g) polyester is a natural fibre.
Answer:
(a) True
(b) False
(c) False
(d) True
(e) True
(f) False
(g) False
3. Fill in the blanks:
(a) Plant fibres are obtained from ________ and ________.
(b) Animals fibres are _________ and ________.
Answer:
(a) cotton, jute
(b) silk, wool
4. From which parts of the plant cotton and jute are obtained ?
Answer:
Cotton : From fruit of the cotton plant
Jute : From stem of the jute plant.
5. Name two items that are made from coconut fibre.
Answer:
Bags, Rope
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.