Silk thread is obtained from silk moth during
(a) pupal state (b) larval state
(c) nymph state (d) adult state
Answers
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4
Answer:
larval state
Explanation:
usually by lava insects
Answered by
2
Silk thread is obtained from silk moth during pupal stage
Explanation:
The life cycle of silk moth (Bombyx mori) contain 4 stages that are Egg, larva pupa and adult moth.
The silk thread is mainly obtained during the pupal stage when they produce cocoon.
After eggs are being hatched the larva comes out and on mulberry leaves for about 30-40 days and after that they molts. After completion of final molting stage they builds a cocoon within which they transform into pupa.
The adult silk moth emerges from the cocoon after two week
The thread is mainly obtained through the cocoon which is up to 900 meter long.
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