Science

Fibre to Fabric

Question:

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.

Answer:

(i) Sericulture (ii) Moriculture

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Fibre to Fabric

Q 1.

The silkworm is (a) a caterpillar (b) a larva. Choose the correct option.

(i) (a) (ii) (b) (iii) both (a) and (b) (iv) neither (a) nor (b)

Q 2.

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.

What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture

Q 4.

Match the words of Column I with those given in Column II:
ncert-solutions-class-7-science-chapter-3-fibre-to-fabric-03

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.

Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
ncert-solutions-class-7-science-chapter-3-fibre-to-fabric-05
ncert-solutions-class-7-science-chapter-3-fibre-to-fabric-06

Q 8.

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.