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Question

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

A
3rd instar larva
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B
4th instar larva
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C
5th instar larva
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D
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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