Question

Which of the following is not an animal fiber?

• A. silk
• B. wool
• C. polyester
• D. pashmina

Answer 1

The correct option is C

polyester

The correct option is C.

Explanation for correct option:

1. The natural fibers, which can be obtained from animals are the animal fibers.
2. These fibers usually comprise different kinds of protein.
3. Animal fibers are usually used in the production of textile fibers. These fibers are usually formed from animal fur, hair, or some kind of secretions.
4. Polyester is a synthetic fiber, not an animal fiber.
5. It is a man-made fiber formed of air, coal, petroleum, and water.
6. Polyesters are widely used in clothing fabrics.
7. It is also used in the production of home furnishing materials like curtains, blankets, pillowcases, and bed sheets.

Explanation for incorrect options:

Option A:

1. Silk is a natural protein fiber.
2. It is obtained from cocoons generated in captivity by silkworm larvae of the Bombyx mori species.
3. This animal fiber is also woven into textiles.
4. The practice of raising silkworms is known as sericulture.

Option B:

1. Wool is an animal fiber obtained from the furs of sheep and other animals like goats, rabbits, and alpacas.
2. It is generally used in the production of woolen clothes for winters.

Option D:

1. Pashmina is an animal fiber obtained from the Changthangi goat’s downy undercoat.
2. It is the name given to the Kashmir shawl obtained from the wool of Changthangi goats.

Final answer: Polyester is not an animal fiber.