Synthetic Fibres

Q.

Polyester is a natural fibre.

1. True

2. False

Q. What are fibers are made up of ?

Q. We should not wear synthetic clothes while working in the kitchen or in a laboratory.

1. True
2. False

Q.

The correct sequence to get cloth is

1. fibre $\to$fabric $\to$yarn

2. fibre $\to$yarn $\to$ fabric

3. fabric $\to$ yarn → fibre

4. yarn $\to$ fibre $\to$ fabric.

Q. Synthetic fibres are prepared by chemical substances.

1. True
2. False

Q. Write down the uses of cotton and jute fibres.

Q.

Synthetic fibers are synthesized from a raw material called ______.

Q.

Statement I:- Synthetic fibres have the advantage over the natural fibres that they are wrinkle-free.

Statement II:- Synthetic fibres are more costly than natural fibres.

Statement III:- Synthetic fibres dry faster as compared to natural fibres.

Which of the following statement(s) is/are true?

1. Statement I:- True

   Statement II:- False

   Statement III:- True

2. Statement I:- True

   Statement II:- True

   Statement III:- True

3. Statement I:- False

   Statement II:- True

   Statement III:- False

4. Statement I:- True

   Statement II:- True

   Statement III:- False

Q. Define knitting and dyeing.

Q.

Which of the following is artificial fibre?

1. Wool

2. Nylon

3. Silk

4. Cotton

Q. Synthetic fibres catch fire easily.

1. True
2. False

Q.

what are fibres

Q.

What is the basic difference between wool and cotton fibres?

1. Wool is obtained from animals whereas cotton is obtained from plants.

2. Wool is obtained from plants whereas cotton is obtained from animals

3. Wool and cotton both are obtained from plants

4. Wool and cotton both are obtained from animals.

Q. What are semi synthetic fibres?

Q.

Petrochemicals are:

1. mixtures of petrol and chemical fertilizer.

2. materials obtained from petroleum refining.

3. mixtures of coal and petrol.

4. mixtures of wood and chemicals.

Q.

A fiber similar to wool is ______.

Q.

What are the disadvantages of Synthetic Fibers?

Q.

Which of the following is a man made fibre?

1. Terylene

2. Flex

3. Cotton

4. Wool

Q. Which of the following is a synthetic fibre?

1. Rayon
2. All of the above
3. Polyester
4. Nylon

Q.

The polyester is made up of

1. Nylon

2. Rayon

3. Ester

4. Cotton

Q.

Synthetic fibres are obtained from ________.

1. Petroleum

2. Plants

3. Animals

4. None of these

Q. Which amongst the following is a synthetic fibre?

1. Cotton
2. Polyester
3. Jute
4. Silk

Q. Match the type of fibre in column-I with the type of product in column-II.
Column – I Column – II
A. Natural fibre P. Terylene
B. Synthetic fibre Q. Terry wool
C. Semisynthetic fibre R. Wool

1. $A\to R,B\to P,C\to Q$
2. $A\to Q,B\to P,C\to R$
3. $A\to P,B\to Q,C\to R$
4. $A\to R,B\to Q,C\to P$

Q. is a synthetic fibre which resembles wool.

1. Nylon
2. Acrylic
3. Rayon

Q.

Name some varieties of clothing material.

Q.

Which of the following is not a natural fibre?

1. silk

2. rayon

3. cotton

4. wool

Q. Which among the following is a natural fibre?

1. Rayon
2. Polyester
3. Jute
4. Nylon

Q.

Match the type of fibre in column-I with their uses and characterstics in column-II
$\begin{array}{cc}\text{Column - I}& \text{Column - II}\\ \text{A. Acrylic}& \text{P. Contains repeating ester units}\\ \text{B. Cellulose}& \text{Q. Used for making sweaters}\\ \text{C. Polythene}& \text{R. Made up of large number of glucose units}\\ \text{D. Terylene}& \text{S. Used for manufacturing toys.}\end{array}$

1. $A\to Q,B\to P,C\to S,D\to R$

2. $A\to Q,B\to R,C\to S,D\to P$

3. $A\to S,B\to Q,C\to R,D\to P$

4. $A\to S,B\to R,C\to Q,D\to P$

Q. Which of the following is a synthetic fibre?

1. Polyester
2. All of the above
3. Rayon
4. Nylon

Q. Which of the following groups contain only synthetic fibre?

1. Jute, acrylic, nylon
2. Acrylic, silk, wool
3. Polyester, nylon, acrylic
4. Nylon, polyester, wool