A) corpora cardiacum
B) prothoracic gland
C) corpora allata
D) neurosecretory hormone
Correct Answer: B
Solution :
Moulting hormone (ecdysone) is secreted from prothoracic gland, present in thorax as in cockroach. This hormone responsible for transformation of larva to pupal stage. Juvenile hormone is secreted from corpora allata. It is responsible for larval characters in insects.
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