Tag: fibre to fabric: plant fibre

Questions Related to fibre to fabric: plant fibre

 Fibres can be classified as natural fibres and synthetic fibres.

botany fibre to fabric: plant fibre classification of fibres fibres history of fabric

  1. True

  2. False

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Correct Option: A
Explanation:

Fibres can be classified as natural fibres and synthetic fibres.
Natural fibres are obtained from plants and animals. The examples of such fibres include cotton, jute, silk and wool.
Synthetic fibres are made from chemical substances, which are not obtained from plant or animal sources. Examples include polyester, nylon and acrylic.

Which of the following fibre is recyclable?

chemistry fibre to fabric: plant fibre classification of fibres fibres history of fabric

  1. Hemp

  2. Flax

  3. Sisal

  4. All of above

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Correct Option: D
Explanation:

A, B and C are natural fibres. 


All natural fibres are easily recyclable. It is a renewable resource, the production requires little energy, $CO _2$ is used while oxygen is given back to the environment. 

They are also carbon neutral. They absorb the same amount of carbon dioxide they produce. 

During processing, they generate mainly organic wastes and leave residues that can be used to generate electricity or make ecological housing material. And, at the end of their life cycle, they are 100% biodegradable.

Hence the correct option is D.

Which among the following is not the example of natural Polymer ?

botany fibre to fabric: plant fibre classification of fibres fibres history of fabric

  1. Wool

  2. Silk

  3. Nylon

  4. Amber

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Correct Option: C
Explanation:

The example of Natural polymers are ;- wool, silk, amber, cellulose etc.

The example of synthetic polymers are :- Nylon, polyester, etc.

$X$ is a thread of filament from which $Y$ is made. If prepared from plants and animals, it is known as $Z$ fibres whereas by humans it is known as $W$ fibres. Synthetic fibres are nylon, rayon, polyester, acrylic etc.
What is $Y$?

chemistry fibre to fabric: plant fibre classification of fibres fibres history of fabric

  1. Cloth

  2. Paper

  3. Pen

  4. Book

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Correct Option: A
Explanation:

Fibre is the basic unit of raw material having suitable length, pliability, and strength for conversion into yarns and fabrics/material/cloth. 

A fibre of extreme length is a filament. Fibres can occur naturally or can be produced artificially. 

Here, X is a fibre, Y is the cloth/fabric/material. Z is the natural fibre and W is the artificial or human-made fibre.

paper/book is an example of products of natural polymer (cellulose), pen is an example of industrial product of synthetic polymer.

Therefore, option A is correct.

$X$ is a thread of filament from which $Y$ is made. If prepared from plants and animals, it is known as $Z$ fibres whereas by humans it is known as $W$ fibres. Synthetic fibres are nylon, rayon, polyester, acrylic etc.

What is $X$?

chemistry fibre to fabric: plant fibre classification of fibres fibres history of fabric

  1. Wool

  2. Fibre

  3. Suits

  4. Socks

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Correct Option: B
Explanation:
Fibre is the basic unit of raw material having suitable length, pliability, and strength for conversion into yarns and fabrics. 

A fibre of extreme length is a filament. Fibres can occur naturally or can be produced artificially. 

Here, X is a fibre, Y is the cloth/fabric. Z is the natural fibre and W is the artificial or human-made fibre.

Wool is an example of fibre, suits and socks are examples of industrial product of fabric.

Therefore, option B is correct.

All are natural fibres except

botany fibre to fabric: plant fibre classification of fibres fibres history of fabric

  1. Silk

  2. Cotton

  3. Nylon

  4. Wool

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Correct Option: C
Explanation:

Nylon is a synthetic fibre.

Which of the following is a fibre?

chemistry fibre to fabric: plant fibre classification of fibres fibres history of fabric

  1. Rayon or artificial silk

  2. nylon

  3. acrylic

  4. All of the above

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Correct Option: D
Explanation:

Rayon or artificial silk, nylon and acrylic represents fibre. Polyester and cotton are another example of fibre.

Linen fibre is obtained from __________.

chemistry fibre to fabric: plant fibre classification of fibres fibres history of fabric

  1. chia seeds

  2. cotton seeds

  3. flax plants

  4. cotton flowers

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Correct Option: C
Explanation:
Linen yarn is spun from the long fibers found just behind the bark in the multi-layer stem of the flax plant. In order to retrieve the fibers from the plant, the woody stem and the inner pith, which holds the fibers together in a clump, must be rotted away. 

The cellulose fiber from the stem is spinnable and is used in the production of linen thread, cordage, and twine.

So, option C is correct.

Which of the following represent(s) the characteristics of synthetic fibres?

chemistry fibre to fabric: plant fibre classification of fibres fibres history of fabric

  1. They dry up quickly.

  2. They are durable

  3. They are less expensive and readily available.

  4. They are easy to maintain

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Correct Option: A,B,C,D
Explanation:

 All of the following represent(s) the characteristics of synthetic fibres.
They dry up quickly.
They are durable
They are less expensive and readily available.
They are easy to maintain

To which of the following does the 4R principle apply the most?

chemistry fibre to fabric: plant fibre classification of fibres fibres history of fabric

  1. Synthetic fibre

  2. Natural fibre

  3. Metals

  4. Plastic

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Correct Option: D
Explanation:
Plastic is a man-made substance that cannot be broken down by natural microbial action. Hence, the 4R principle is applied to it. 

The 4 R principle is- ${\text{Refuse, Reduce, Reuse and Recycle}}$. This helps in reducing the harmful effect of plastic in the environment. 

Thus the correct answer is option A.