A) Rat-Left kidney is slightly higher in position than the right one
B) Cockroach- 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)
C) Earthworm-The alimentary canal consists of a sequence of pharynx, oesopha- gus, stomach, gizzard and intestine
D) Frog-Body divisible into three regions- head, neck and trunk
Correct Answer: B
Solution :
Cockroach belongs to phylum Arthropoda. It has 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen).
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