NCERT solutions of related questions for Fibre to Fabric
- Q.1 You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
- Q.3 Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
- Q.4 What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
- Q.5 Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, ________ , sorting,________, __________
- Q.6 Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
- Q.7 Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture.
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms. (ii) Scientific name of mulberry is Morus alba.
- Q.8 Match the words of Column I with those given in 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
- Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
(D)1: Thorough washing
2: Animal fibre
3: Animal fibre
(A)1: Keeps warm
2: Its leaves are eaten by silkworms
3: Hatches from an egg of a moth
NCERT solutions of related chapters class 7 maths
NCERT solutions of related chapters class 7 science