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ScienceClass 7CBSE
Q

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 trap a lot of _________, which is a poor _________ of heat.

A

Soln:

(a)SilkandWoolfibres are obtained from animals.

(b) Silk fibres come fromcocoonsof the silkmoth.

(c) Wool yielding animals bearhairon their body.

(d) Hair trap a lot ofair, which is a poorconductorof heat.

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