Question

Very Short Answer Type Questions:
1. Why do we wear clothes?
2. Give two examples each of man-made and natural fibres.
3. Define loom.
4. How is silk obtained?
5. What is a synthetic fibre?​

Answer 1

Answer:

Write two examples for each of the following.

1. Plant fibres ...................................................................

2. Animal fibres ...................................................................

3. Synthetic fibres ...................................................................

4. Jute growing countries ...................................................................

5. Things made of coir ...................................................................

6. Things made of hemp ...................................................................

ANSWER:

1. Plant fibres Cotton, jute

2. Animal fibres Wool, silk

3. Synthetic fibres Nylon, polyester

4. Jute-growing countries India, Nepal

5. Things made of coir Rope, door mats

6. Things made of hemp Carpets, nets

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Question 2:

Write one word for the following.

1. The material made by weaving threads from fibres ...........................

2. The process by which fabric is made from fibre using looms ...........................

3. The process of separating cotton fibres from its seeds ...........................

4. The process of making yarn from fibre ...........................

5. The process of removing the sticky substance from the stems to obtain the jute fibre ...........................

ANSWER:

1. The material made by weaving threads from fibres Fabric

2. The process by which fabric is made from fibre using looms Weaving

3. The process of separating cotton fibres from cotton seeds Ginning

4. The process of making yarn from fibre Spinning

5. The process of removing the sticky substance from jute stems to obtain jute fibre Retting

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Question 1:

Write T for the true statement and F for the false one. Correct the false statements(s).

1. Knitting is done on a machine called loom.

2. Nylon and rayon are natural fibres.

3. Khadi is a coarse hand-woven cloth made from jute.

4. After harvesting, cotton is sent for spinning.

5. Retting is needed to extract silk cotton.

ANSWER:

1. False (F)

Looms are used for weaving.

2. False (F)

Nylon and rayon are synthetic fibres.

3. False (F)

Khadi is a coarse, hand-woven cloth made from cotton.

4. False (F)

Once cotton is harvested, it is sent for ginning, a process by which fibres are separated from seeds.

5. False (F)

Retting is needed to extract jute fibres.

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Question 1:

Which of the following fabric came into widespread use around 3000 BC in India?

(a) Wool

(b) Silk

(c) Cotton

(d) Hemp

ANSWER:

(c) Cotton

The early Indians grew cotton crops to obtain cotton fibres for making fabrics. In those days, stitching of fabric to make clothes was not known.

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Question 2:

Which of these do we get from plants?

(a) Cotton and jute

(b) Coir and silk cotton

(c) Hemp and flax

(d) All of these

ANSWER:

(d) All of these

Fibres that are obtained from natural sources such as plants and animals are called natural fibres. Cotton, jute, coir, silk cotton, hemp and flax are examples of plant fibres.

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Question 3:

Which of these processes is used to separate cotton fibres from seeds?

(a) Harvesting

(b) Ginning

(c) Spinning

(d) Weaving

ANSWER:

(b) Ginning

The cotton fibre picked up from the fields has cotton seeds in them. The raw fibre is separated from the seeds by a process known as ginning. Today, ginning is done using a machine, but traditionally, it was done by hand by using a comb-like device.

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Question 4:

Which of these helps to make yarn from fibres?

(a) Harvesting

(b) Ginning

(c) Spinning

(d) Weaving

ANSWER:

(c) Spinning

By the process of spinning, fibres from a mass of cotton (or wool, silk, etc.) are drawn out and twisted. This brings the tiny fibres together to form a long and twisted thread called yarn.

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Question 5:

Which of the following fibres is used in the production of rope, carpet, net, and paper?

(a) Cotton

(b) Coir

(c) Silk cotton

(d) Hemp

ANSWER:

(d) Hemp

Hemp fibre is obtained from the stem of the hemp plant and can be used in the production of textiles, clothing, canvas, rope, carpets, paper, construction materials, etc.

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Answer 2

• 5 ways who clothes protects us . Protection: Clothing that provides physical safeguards to the body, preventing harm from climate and environment. Identification: Establishing who someone is or what they do. Modesty: Covering the body according to the code of decency established by society.
• Manmade fibres : The most common are polyester, polyamide (often called nylon) . Natural fibres : cotton and flex .
• loom : an apparatus for making fabric by weaving yarn or thread.
• Silk is obtained from the cacoon of the silkworm . Silkworm are fed on the leaves of the mulberry trees. Each worm spins a continuous thread up to 800 metre long to make a cocoon.The cocoon is boiled in water to kill the silkworm alive and then unwound to get silkfibre.
• Synthetic fibre : any of various man-made textile fibers including usually those made from natural materials (such as rayon and acetate from cellulose or regenerated protein fibers from zein or casein) as well as fully synthetic fibers (such as nylon or acrylic fibers) — compare polymer.