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Chemistry
3. Fibre to Fabric
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Q6 of 16 Page 32

Make sketches of the two stages in the life history of the silk moth which are directly related to the production of the silk.


Silkworm Cocoon


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4

What is meant by the following terms?

(i) Rearing (ii) Shearing (iii) Sericulture

5

Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.


Shearing, ______, sorting, ______, ___________.

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.

8

Match the words of Column I with those given in Column II:























Column I



Column II



1. Scouring



a. Yields silk fibres



2. Mulberry leaves



b.Wool yielding animal



3. Yak



c. Food of silk worm



4. Cocoon



d. Cleaning sheared skin


Questions · 16
3. Fibre to Fabric
1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7
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