Natural Fibres Worksheet-1

Natural Fibres Worksheet-1

1. Which of the following is not an animal fibre?

(a) Silk               (b) Wool            (c) Polyester      (d) Pashmina

2. Which of the following statements is incorrect?

(a) Wool can trap a lot of air

(b) Cashmilon is a natural wool product

(c) Wool fibre is protein

(d) Animals like goat and rabbit yield wool

3. Silk is made of a protein fibre called

(a) Sericin         (b) Chitin           (c) Pectin           (d) Fibroin

4. Silk fibre is

(a) A good conductor of heat

(b) A synthetic fibre

(c) Obtained from silk moth

(d) None of these

5. A non-mulberry silk product is

(a) Muga silk                                 (b) Eri silk

(c) Tasar silk                                 (d) All of these

6. The part of the body of sheep that yields wool is

(a) Skin              (b) Fibre            (c) Fleece           (d) None of these

7. Which of the following practices would enable the production of superior wool quality?

(a) Rearing        (b) Shearing      (c) Breeding      (d) Feeding

8. Silkworm is reared through

(a) Apiculture                               (b) Sericulture

(c) Agriculture                              (d) None of these

9. The processes involved in making silk strands are

(a) Reeling, softening, sorting, bailing

(b) Sorting, bailing, reeling, softening

(c) Sorting, softening, reeling, bailing

(d) Sorting, bailing, softening, reeling

10. The workers of silk industry face risks of disease related to

(a) Lungs           (b) Heart           (c) Skin              (d) Lungs & Skin

Answer Key:

1. (c)
2. (b)
3. (a)
4. (c)
5. (b)
6. (c)
7. (b)
8. (b)
9. (c)
10. (d)