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Number of spiracles in cockroach are...

Number of spiracles in cockroach are

A

2 pairs on thorax and 8 pairs on abdomen

B

3 pairs on thorax and 7 pairs on abdomen

C

3 pairs on thorax and 9 pairs on abdomen

D

1 pair on thorax and 6 pairs on abdomen

Text Solution

Verified by Experts

The correct Answer is:
A
Spiracles are used for breathing in all insects. The small holes in the side of the abdomen are connected via tubes to the air sac, or “lung”.
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