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Alimentary Canal of Cockroach

How many spir...

Question

How many spiracles are present in the thorax of cockroach

A

10

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B

2

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C

8

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D

6

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Solution

The correct option is B 2
Spiracles are the slit-like apertures located on the lateral sides of the body in the cockroach. They help in respiration. The spiracles are 10 pairs, out of which two are present in the thorax and eight are abdominal.
So, the correct answer is '2'.

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Alimentary Canal of Cockroach

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