Ecdysone, the hormone controlling moulting in insects, is secreted by ______
A
Corpora allata
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B
Prothoracic glands
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C
Corpora cardiaca
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D
Both A and B
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Solution
The correct option is C Prothoracic glands B. Prothoracic glands
EXPLANATION: Ecdysone is a steroid hormone. It is secreted from prothoracic glands of insects. Ecdysone stimulates metamorphosis and regulates molting in insects when it is in the active form.