Class 6 Science Chapter 3 Textbook Questions Answer Solved

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:

1. a) Yarn is made from fibres.
2. b) Spinning is a process of making fibres.
3. c) Jute is the outer covering of coconut.
4. d) The process of removing seed from cotton is called ginning.
5. e) Weaving of yarn makes a piece of fabric.
6. f) Silk fibre is obtained from the stem of a plant.
7. g) Polyester is a natural fibre.

Answer:-

1. a) Yarn is made from fibres. ( True )
2. b) Spinning is a process of making fibres. ( False )
3. c) Jute is the outer covering of coconut. ( False )
4. d) The process of removing seed from cotton is called ginning. ( True )
5. e) Weaving of yarn makes a piece of fabric. ( True )
6. f) Silk fibre is obtained from the stem of a plant. ( False )
7. g) Polyester is a natural fibre. ( False )

Question 3. Fill in the blanks:

1. a) Plant fibres are obtained from_________ and ________ .
2. b) Animals fibres are __________ and ___________ .

Answer:-

1. a) Plant fibres are obtained from Jute and Cotton .
2. b) Animals fibres are Silk and Wool.

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

Answer:- We obtain cotton from the fruits of the cotton plant and Jute from the stem of the jute plant.

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

Answer:- Two items that are made from coconut fibre are:-

1. Ropes
2. Mats

Question 6. Explain the process of making yarn from fibre.

Answer:- With the help of takli and charkha the mass of cotton are drawn out and twisted. Which brings the fibres together to form yarn. This process of making yarn from fibres is called spinning. From this process we obtain yarn from fibre.