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Q.

The covering in which the caterpillar completely covers itself is called

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a

Pupa

b

Cocoon

c

Protein

d

Mulberry leaves

answer is B.

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Detailed Solution

Silkworms feed on mulberry leaves and have two glands on their heads that secretes fine filaments. These filaments are made of protein and harden when exposed to air. This covering is known as a cocoon. Silk filaments are obtained when these cocoons are placed in hot water or sunlight

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