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NCERT Solutions for Class 6 Science - Fibre to Fabric

Q1: Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute.

Ans:  Natural Fibres: Wool, cotton, silk, jute.

Natural FibresNatural Fibres

Synthetic Fibres: Nylon, polyester.

NCERT Solutions for Class 6 Science - Fibre to Fabric


Q2. 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.

Ans: 

(a) Yarn is made from fibres. (True)
(b) Spinning is a process of making fibres. (False)
(c) Jute is the outer covering of coconut. (False)
(d) The process of removing seed 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)


Q3. Fill in the blanks:
(a) Plant fibres are obtained from_________ and ________ .
(b) Animals fibres are __________ and ___________ .

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


Q4. From which parts of the plant cotton and jute are obtained?
Ans: Cotton is obtained from the fruits of the cotton plant, called cotton balls. Jute fibre is obtained from the stem of the jute plant.


Q5. Name two items that are made from coconut fibre.
Ans: Jute bags, ropes and Foot mats.


Q6. Explain the process of making yarn from fibre.
Ans: The process of making yarn from fibres is called spinning. In this process, fibres from a mass of cotton are drawn out and twisted. This brings the fibres together to form a yarn. Spinning is done at home using simple devices like hand spindle (Takli) and charkha. On large scale, big spinning machines are used.

NCERT Solutions for Class 6 Science - Fibre to Fabric

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FAQs on NCERT Solutions for Class 6 Science - Fibre to Fabric

1. What is fibre?
Ans. Fibre is a thread-like structure that is obtained from natural sources such as cotton, wool, silk, etc. It is used to make clothes, fabrics, and other materials.
2. How is wool obtained from sheep?
Ans. Wool is obtained from the fleece of sheep. The fleece is sheared off from the sheep's body using a pair of scissors or clippers. After that, the wool is cleaned, spun, and woven into fabrics.
3. What is the difference between natural and synthetic fibres?
Ans. Natural fibres are obtained from plants and animals, whereas synthetic fibres are human-made. Natural fibres are more breathable, comfortable, and eco-friendly, while synthetic fibres are more durable, resistant to wrinkles, and easy to care for.
4. How is silk obtained from silkworms?
Ans. Silk is obtained from the cocoon of silkworms. The silkworms are reared in controlled environments, and when they spin their cocoon, the cocoon is collected and boiled in hot water to kill the silkworm inside. The cocoon is then unraveled to obtain the silk thread.
5. Why is it important to use sustainable and eco-friendly fibres?
Ans. It is important to use sustainable and eco-friendly fibres because they have a lower environmental impact and are better for the planet. Sustainable fibres are produced using eco-friendly methods, and they are biodegradable, which means they will not harm the environment when disposed of. Additionally, sustainable fibres help to support local communities and promote ethical and fair trade practices.
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