Fibre to Fabric NCERT Exercise Solution
Question 1: You must be familiar with the following nursery rhymes
Baa baa black sheep have you any wool
.Mary had a little lamb. whose fleece was white as snow
.
Answer the following question.
(a) Which parts of the black sheep have wool?
Answer: The skin of black sheep has wool.
(b) What is meant by the fleece of the lamb?
Answer: Fleece means hair of the lamb.
Question 2: The silkworm is (a) caterpillar (b) a larva: choose the correct option.
- a
- b
- both ‘a’ and ‘b’
- neither ‘a’ nor ‘b’
Answer: (iii) both 'a' and 'b'
Question 3: Which of the following does not yield wool?
- Yak
- Camel
- Goat
- Woolly dog
Answer: (d) Woolly dog
Question 4: What is meant by the following terms?
(a) Rearing
Answer: Taking care of animals including feeding, grazing, breeding, etc. for meat, and other useful products.
(b) Shearing
Answer: The removal of wool from the sheep is called shearing.
(c) Sericulture
Answer: The rearing of silkworm for obtaining silk is known as sericulture.
Questions 5: Give below is sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing _________ Sorting _________ _______________.
Answer: Shearing Scouring Sorting Colouring Spinning
Question 6: Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
Question7: Out of the following which are the two terms related to silk production?
- Sericulture
- Floriculture
- Moriculture
- Apiculture
- Silviculture
Answer: (a) Sericulture and (b) Moriculture are related to silk production.
Question 8: Match the following
| Column I | Column II |
|---|---|
| (1) Scouring | (a) Yields silk fibres |
| (2) Mulberry leaves | (b) Wool yielding animal |
| (3) Yak | (c) Food of silkworm |
| (4) Cocoon | (d) Reeling |
| (e) Cleaning sheared skin |
Answer: (1) e, (2) c, (3) b, (4) a