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Question

Openings on the surface of body of a cockroach are called as_______


A

tracheae

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B

spiracles

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C

tubes

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D

holes

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Solution

The correct option is B

spiracles


Spiracles are openings on the surface of some animals or insects. Cockroaches have spiracles on their exoskeleton which allows air to enter the trachea and therefore helps in respiration.


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