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Question

Ecdysis and metamorphosis is controlled by which of the following glands in cockroach?

A
Corpus luteum
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B
Corpora allata
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C
Corpus callosum
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D
Prothoracic gland
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Solution

The correct option is B Prothoracic gland
The corpus allatum is an endocrine gland in insects which generates juvenile hormone and, it plays a crucial role in metamorphosis. Surgical removal of corpora allata can cause an immature larva to pupate at its next molt, resulting in a miniature adult.
Therefore, the correct answer is option D.

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