Which one of the following is the true description about an animal concerned?

Options

(a) Earthworm – The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine
(b) Frog – Body divisible into three regions – head, neck and trunk
(c) Rat – Left kidney is slightly higher in position than the right one
(d) Cockroach – 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)

Correct Answer:

Cockroach – 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)

Explanation:

Cockroach belongs to phylum-Arthropoda. It has 10 pairs of Spiracles (2 pairs on thorax and 8 pairs on abdomen).