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Which one of the following statements is...

Which one of the following statements is correct regarding cockroach ?

A

Head is oval is shape

B

There are 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)

C

Heart is differentiated into funnel shaped chambers with setae on either side

D

Each eye consists of about 1000 hexagonal ommatidia

Text Solution

Verified by Experts

The correct Answer is:
B
In cockroach, head is triangular in shape. Heart is differentiated into funnel shaped chambers with ostia on either side. Each eye consists of about 2000 hexagonal ommatidia.
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NCERT FINGERTIPS-STRUCTURAL ORGANISATION IN ANIMALS-Structural Organisation In Animals
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