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Silk

Fibre to Fabric
Chemistry
Class 7

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Silk - Animal Fibre

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Related questions

Fill in the blanks:
The most common silk moth is the ________ silk moth.

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Explain the life cycle depicting the various stages of life of a silkmoth using a diagram.

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Silk is obtained from ________ of the silk moth.

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Match the column I with column II and select the correct option from the codes given below.
Column I                           Column II
(Material)                     (Smell on burning)
(a) Silk                        (i) Burning plastic
(b)Wool                      (ii) Charred meat
(c) Nylon                    (iii) Burning hair

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Which of the given example is not a type of silk?

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Fill in the blanks in the following statements.
a) ______ and _______ fibres are obtained from animals.
b) Silk fibres come from ______ of silk ______ .
c) Wool yielding animals bear _______ on their body.
d) Hair traps a lot of _______, which is poor ________ of heat.

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Where was silk first produced in ?

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Fill in the blank:
_________ leads the world in silk production.

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Complete the paragraph related to the life history of the silk moth by filling in the blanks.
The ____(a)____ silk moth lays ___(b)___, from which hatch ____(c)____ called _____(d)_____ or ____(e)____. They grow in size and when the caterpillar is ready to enter the next stage of its life history called ___(f)___, it first weaves a covering to hold itself, which is known as ______(g)____.

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Silk fibres are made of a protein.

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