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Question

Respiratory organs of Cockroach are called

A
Maxillae
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B
Spiracles
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C
Mandibles
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D
Labrum
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Solution

The correct option is B Spiracles
The atmospheric air in cockroach enters and escapes out from the system through ten pairs of slit-like apertures called stigmata or spiracles. These are located on either lateral sides of the body. Two pairs of spiracles are thoracic and eight pairs are abdominal.
So, the correct answer is 'Spiracles'.

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