Silkworm larva spins silk from

Inside to outside

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Outside to inside

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Random fashion

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Anterior to posterior side

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Solution

The correct option is B Outside to inside
After the fourth and last moult of their skins, the silkworms larva will eat over half the food they will consume in their lifetimes. Once they reach a critical size they will empty their alimentary system completely in preparation for spinning their cocoon around the body from outside to inside.
Therefore, the correct answer is option B.

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Similar questions

Silkworms are reared for silk which is produced from the _______ of larvae.

Silk is produced from the saliva secreted from the silk gland of the larva of the silkworm.

Q. Silk moths spin silk at the stage of
(a) egg
(b) larvae
(c) pupa
(d) none of these

Q. Cultivation of silkworms to produce silk is known as:

Question 19

Steps for the production of silk are given below in a jumbled order. Arrange them in their proper sequence.

(a) Eggs are warmed to a suitable temperature for the larvae to hatch from eggs.
(b) Fibres are taken out from the cocoon.
(c) After 25 to 30 days, the caterpillars stop eating and start spinning cocoons.
(d) The larvae/caterpillars or silkworms are kept in clean trays along with freshly chopped mulberry leaves.
(e) Female silk moths lay eggs.
(f) Cocoons are kept under the sun or boiled in water.

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