In which stage of its life cycle, the silk moth begins to produce silk fibre?

3rd instar larva

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4th instar larva

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5th instar larva

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Pupa

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Solution

The correct option is D Pupa
A pupa is the life stage of some insects undergoing transformation. The pupal stage is found only in holometabolous insects, those that undergo a complete metamorphosis, going through four life stages: embryo, larva, pupa and imago. During the pupal stage, only in the case of Bombyx mori, they produce silk.

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