NEET Biology question

Which one of the following statements is correct regarding cockroach?

(A)Head is oval in shape
(B)There are 10 pairs of spiracles (2 pairs in thorax and 8 pairs in abdominal region)Correct
(C)Heart is differentiated into funnel shaped chambers with setae on either side
(D)Each eye consists of about 1000 hexagonal ommatidia

Answer: (B)

Solution

The cockroach possesses exactly 10 pairs of spiracles — 2 pairs on the thorax and 8 pairs on the abdomen — through which air enters and leaves the tracheal system. The head is actually triangular (not oval),

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Question ID VK-111396