Types of Fibres Quiz - CBSE Class 7 Science

Free practice quiz: Types of Fibres (CBSE Class 7 Science). 15 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This CBSE Class 7 Science practice quiz has 15 multiple-choice questions on Types of Fibres, and 15 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. Which of the following is a natural fibre?

   1. Nylon
   2. Polyester
   3. Cotton
   4. Acrylic
   Show answer

   Answer: C. Cotton

   Cotton is a natural fibre obtained from the cotton plant, unlike Nylon, Polyester, and Acrylic, which are synthetic fibres.

2. What part of the jute plant is jute fibre obtained from?

   1. Roots
   2. Leaves
   3. Bark
   4. Stems
   Show answer

   Answer: D. Stems

   Jute fibre is primarily extracted from the stems of the jute plant.

3. Which fibre is made by processing wood pulp into fibres?

   1. Rayon
   2. Nylon
   3. Cotton
   4. Linen
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   Answer: A. Rayon

   Rayon is a semi-synthetic fibre made from regenerated cellulose, derived mainly from wood pulp.

4. Which fibre is known for its low flammability relative to others?

   1. Wool
   2. Silk
   3. Cotton
   4. Acrylic
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   Answer: A. Wool

   Wool has a high ignition temperature and is self-extinguishing, making it relatively fire-resistant compared to other fibres.

5. Which fibre is hygroscopic but retains warmth when wet?

   1. Silk
   2. Wool
   3. Nylon
   4. Polyester
   Show answer

   Answer: B. Wool

   Wool is hygroscopic, meaning it can absorb moisture, but it still retains warmth when wet, unlike many other fibres.

More questions in this quiz

Answers and explanations are in the full quiz.

1. What is the main source of wool?
2. Which natural fibre is produced by silkworms?
3. Which synthetic fibre is known for its elasticity?
4. Which natural fibre is often referred to as the 'Queen of Textiles'?
5. What properties make polyester a popular synthetic fibre?
6. Which natural fibre is also known as a bast fibre?
7. What makes synthetic fibres more durable than natural fibres?
8. How does mercerization affect cotton fibres?
9. Which type of fibre is likely to cause harm to the environment and why?
10. Which fibre is considered the most sustainable for everyday use and why?

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