Question

In cockroach, the number of spiracles and their arrangement is
(A) 10 pairs – Thoracic-3 pairs; Abdomen-7 pairs
(B) 9 pairs - Thoracic-2 pairs, Abdomen-7 pairs
(C) 9 pairs – Thoracic-3 pairs; Abdomen-6 pairs
(D) 10 pairs – Thoracic-2 pairs; Abdomen-8 pairs​

Answer 1

Answer:option 1

Explanation:

Answer 2

Answer:

a option is correct

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