MP Board Class 6th Science Solutions Chapter 3 Fibre to Fabric

MP Board Class 6th Science Solutions Chapter 3 Fibre to Fabric

Fibre to Fabric Test Book Exercise

Question 1.
Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute?
Answer:
Natural Fibre. Wool, cotton, silk, jute. Synthetic Fibre. Nylon, polyster.

Question 2.
State whether the following statemepts are true or false –

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

Answer:

  1. True
  2. True
  3. False
  4. True
  5. True
  6. False
  7. False.

Question 3.
Fill in the blanks:

  1. Plant fibres are obtained from …………………….. and …………………………
  2. Animals fibres are ………………………. and ……………………….

Answer:

  1. Jute, cotton
  2. Silk, wool.

Question 4.
From which parts of the plant cotton and jute are obtained?
Answer:
Cotton fibres are obtained from cotton seeds. Cotton fibres are hairs of cotton seeds. Jute fibres are obtained from the stem of jute plants by retting process.

Question 5.
Name two items that are made from coconut fibre?
Answer:
The items that are made from coconut fibre:

  1. Coir in mattress
  2. Ropes.

MP Board Solutions

Question 6.
Explain the process of making yarn from fibre?
Answer:
Hold some cotton wool in one hand. Pinch some cotton between the thumb and forefinger of the other hand. Now, gently start pulling out the cotton, while continuously twisting the fibres. The process of making yarn from fibres is called spinning. In this process, fibres from a mass of cotton wool are drawn out and twisted.

This brings the fibres together to form a yarn. A simple device used for. spinning is a hand spindle, also called takali (Fig. a). Another hand operated device used for spinning is charkha (Fig. b). Use of charkha was popularized by Mahatma Gandhi as part of the Independence movement. He encouraged people to wear clothes made Of homespun yarn and shun imported cloth made in the mills of Britain.

MP Board Class 6th Science Solutions Chapter 3 Fibre to Fabric img 1
MP Board Class 6th Science Solutions Chapter 3 Fibre to Fabric img 2

Spinning of yarn on a large scale is done with the help of spinning machines. After spinning, yarns are used for making fabrics.

MP Board Solutions

Fibre to Fabric Additional Important Questions

Fibre to Fabric Objective Type Questions

Choose the correct answer:

Question (a)
Natural clothing materials includes:
(a) Cotton
(b) Nylon
(c) Rayon
(d) Polyester.
Answer:
(a) Cotton

Question (b)
Man – made clothing materials are:
(a) Rayon
(b) Nylon
(c) Polyester
(d) All the above.
Answer:
(d) All the above.

Question (c)
The process of pulled out cotton seeds from cotton is called:
(a) Ginning
(b) Retting
(c) Spinning
(d) None of these.
Answer:
(a) Ginning

Question 2.
Fill in the blanks:

  1. The jute fibres are obtained from the stem of plant called ………………………
  2. Cotton and jute are examples of fibres obtained from ………………………..
  3. The fruits of the cotton plant are about the size of a ……………………….
  4. Weaving of fabric is done on ………………………….
  5. Weaving and knitting are used for making different kinds of ………………………
  6. In olden days, silk comes from ………………………..

Answer:

  1. Patsun
  2. Plants
  3. Lemon
  4. Looms
  5. Fabric
  6. China.

Question 3.
State whether the following statements are true (T) or false (F):

  1. Silk and wool fibres are obtained. from animal.
  2. Jute crops are cultivated in worm season.
  3. In olden days, the yarn was spun directly by charkha.
  4. Big reels of yarn is called bobbine.
  5. Coconut fibres have a rough surface.
  6. Wool is a fibre of animals.

Answer:

  1. True
  2. False
  3. True
  4. True
  5. True
  6. True

Question 4.
Match the items in Column A with Column B:
MP Board Class 6th Science Solutions Chapter 3 Fibre to Fabric img 3
Answer:

(i) – (d)
(ii) – (c)
(iii) – (b)
(iv) – (a)
(v) – (e)

MP Board Solutions

Fibre to Fabric Very Short Answer Type Questions

Question 1.
What is yarn?
Answer:
Yarns are made up of fibres.

Question 2.
Name some fibres obtained from plants and animals?
Answer:
Silk, wool, jute and cotton fibres are obtained from plants and animals.

Question 3.
Give two examples of synthetic fibres?
Answer:
Nylon and polyester.

Question 4.
Which type of clothes burn slowly?
Answer:
Cotton clothes are burn slowly.

Question 5.
Which type of clothes burn quickly?
Answer:
Polyester and nylon clothes are burn quickly.

Question 6.
Which type of clothes absorb water quickly?
Answer:
Cotton clothes.

Question 7.
What are the fruits of the cotton plant called?
Answer:
Cotton bolls.

Question 8.
Define “ginning”?
Answer:
The process of pulled out cotton seeds from cotton is called griming.

Question 9.
Write any two uses of cotton?
Answer:
As absorbent in hospitals and manufacture of textiles.

Question 10.
In which season are cotton crops grown?
Answer:
Summer season.

Question 11.
Where is cotton chops grown in India?
Answer:
In India cotton crops are grown in Gujarat, Madhya Pradesh, Rajasthan, Maharashtra and Tamil Nadu.

Question 12.
How is cotton collected?
Answer:
Cotton is usually hand picked.

Question 13.
Which part of jute plant gives jute?
Answer:
Jute fibres is obtained from the stem of jute plant.

Question 14.
In which season are jute crops grown?
Answer:
Rainy season.

Question 15.
Where is jute grown in India?
Answer:
In India jute grown is Bihar, Assam and West Bengal.

Question 16.
Name any two processes by which fabrics are made from yarns?
Answer:
Wearing and knitting.

Question 17.
Why a coconut fibres not used for making yarns?
Answer:
Coconut fibres are not used for making yarns because they are very hard.

Question 18.
Why are fibre twisted?
Answer:
By twisting fibres, they become strong and their co¬hesion power increase.

Question 19.
What is flaxl?
Answer:
Flax is also a plant that gives natural fibres.

Question 20.
Where cotton and flax were cultivated in ancient Egypt?
Answer:
Near the river Nile.

Question 21.
What materials people used in ancient times for clothes?
Answer:
In ancient time people used the bark and big leaves of trees or .animal skins and furs to cover themselves.

Question 22.
What is knitting?
Answer:
In knitting, a single yarn is used to make a piece of fabric.

Question 23.
Name some dresses which are used as an unstitched piece of fabric?
Answer:
Saree, Lungi, Dhoti and Turban.

MP Board Solutions

Fibre to Fabric Short Answer Type Questions

Question 1.
Define natural fibres?
Answer:
The fibres of some fabrics such as cotton, jute, silk and wool are obtained from plants and animals. These are called natural fibres.For examples, wool and silk fibres are obtained from animals while cotton and jute are obtained from plants.

Question 2.
Define synthetic fibres?
Answer:
In the last hundred years or so, fibres are also made from chemical substances, which are not obtained from plant or animal sources. These are called synthetic fibres. For examples, nylon, polyester and acrylic.

Question 3.
What is spinning machines?
Answer:
Spinning of yarn on a large scale is done with the help of spinning machines. After spinning, yarns are used for making fabrics.

Question 4.
Describe the process of weaving?
Answer:
A fabric is made up of two sets of yarns arranged together. The process of arranging two sets of yarns together to make a fabric is called weaving. The weaving of fabric is done on looms. The looms are either hand operated or power operated.

Question 5.
How was cloth making developed?
Answer:
The cloth making was developed in three stages. First stage was making cloth from plant fibres, second stage was the beginning of the use of animal fibres and the third stage began with man-made fibres in nineteenth century.

Question 6.
Why do we wear clothes?
Answer:
We wear clothes due to the following reasons:

  1. They protect against weather.
  2. They protect against injury.
  3. They protect against wind.

Fibre to Fabric Long Answer Type Questions

Question 1.
Where does this cotton came from? Also define ginning of cotton?
Answer:
Cotton plant is grown in the fields. They are usually grown at places having black soil and worm climate. In India, cotton crops are grown in Punjab, Madhya Pradesh, Rajasthan, Gujarat, Maharashtra and Tamil Nadu. The fruits of the cotton plant (cotton bolls) are about the size of a lemon. After maturing, the bolls burst open and the seeds covered with cotton fibres can be seen.
MP Board Class 6th Science Solutions Chapter 3 Fibre to Fabric img 4

From these bolls, cotton is usually picked by hand. Fibres are then separated from the seeds by combing. This process is called ginning of cotton. Ginning was traditionally done by hand as shown in the following figure. These days, machines are also used for ginning.
MP Board Class 6th Science Solutions Chapter 3 Fibre to Fabric img 5

Question 2.
Write the process to obtained jute fibres from a jute plant?
Answer:
Jute fibre is obtained from the stem of the jute plant. It is cultivated during the rainy season. In India, jute is mainly grown in West Bengal, Bihar and Assam. The jute plant is normally harvested when it is at flowering stage. The stems of the harvested plants are immersed in water for a few days. The stems rot and fibres are separated by hand.
MP Board Class 6th Science Solutions Chapter 3 Fibre to Fabric img 6

MP Board Class 6th Science Solutions