Fibre to Fabric lesson question answer (Class 6 Assam)

Fibre to Fabric

Class: 6
General Science
Lesson: 3

Exercises (অনুশীলনী)

1. Classify the following fibres as natural or synthetic:

nylon, wool, cotton, silk, polyester, jute

Answer:

Natural: Wool, cotton, silk, jute

Synthetic: Nylon, polyester

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) Yarn is made from fibre. (True)

b) Spinning is a process of making fibres. (False)

c) Jute is an outer covering of coconut. (False)

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)

g) Polyester is a natural fibre. (False)

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 bolls and stem of jute plants.

b) Animals fibres are silk and wool.

4. From which parts of the plant cotton and jute are obtained?

Answer:Cotton is obtained from the fruits of the cotton plant called cotton balls. Jute fibre is obtained from the stem of the jute plant.

5. Name two items that are made from coconut fibre. 

Answer:  Mats and ropes are made from coconut fibre.

6. Explain the process of making yarn from fibre.

Answer: Yarns are made up of thin strands called fibres. The process of making yam from fibres is called spinning. In this process, a mass of cotton wool are drawn out and twisted. This brings the fibres together to form yarn.