Natural fibres

Q.

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

Q.

Which of the following fibres on burning, smells like burning hair?

1. Flax
2. Jute
3. Cotton
4. Wool

Q.

A:- Fibre burns with the smell like a burning hair.

B:- Fibre burns with the smell like a burning paper.

From the below-mentioned fibres identify which burns as A and B?

1. A:- Silk, Cotton

   B:- Wool

2. A:- Cotton

   B:- Wool, Silk

3. A:- Wool, Cotton

   B:- Silk

4. A:- Silk, Wool

   B:- Cotton

Q.

Differentiate between natural and synthetic fibres.

Q. The main advantage of natural fibres over synthetic fibre is that they are ____.

1. wrinkle resistant
2. more durable
3. readily aviailable
4. eco-friendly

Q. Sports wear is made from synthetic fibres

1. True
2. False

Q. Acrylilc is cheaper and more durable compared to wool.

1. True
2. False

Q.

The following is an answer given by Boojho to a question asked by his teacher- “Cotton, wool, silk and jute are classified as natural fibres whereas nylon and polyester are classified as synthetic fibres”. Can you tell what question the teacher has asked?

Q.

Which of the following is the correct order of stages in the life cycle of silk moth?

1. Eggs, larva, pupa, adult

2. Eggs, pupa, larva, adult

3. Eggs, adult, larva, pupa

4. Larva, eggs, pupa, adult

Q.

Question 2 (f)

State whether the following statement is true or false:
Silk fibre is obtained from the stem of a plant.

Q. What is the basic difference between wool and cotton fibres?

1. Wool is an animal fibre, whereas, cotton is a plant fibre.
2. Cotton is wrinkle resistant, whereas wool is not.
3. Wool is a plant fibre, whereas, cotton is an animal fibre.
4. Cotton is naturally fire resistant, while, wool is not.

Q. From the below mentioned fibres pick the one which is obtained from plants.

1. Wool
2. Acrylic
3. Jute
4. Silk

Q. Name two items that are made from coconut fibre. [1 mark]

Q.

5. Which of the following do we not get from plants?

1. coir

2. linen

3. jute

4. silk

Q.

Question 5

Name two items that are made from coconut fibre

Q.

Question 2 (g)

State whether the following statement is true or false:
Polyester is a natural fibre.

Q. The fibres that are made from animals and plants are known as _____.

1. man-made fibres
2. natural fibres
3. artificial fibres
4. synthetic fibres

Q. [TBQ.II.(4)]
Which natural materials are used to obtain fibres?

Q.

53 Paheli wants to present her friend with a gift made of plant fibre. Which out of the following will she select?

1. Jute bag

2. Woolen shawl

3. Silk Saree

4. Nylon scarf