NEET2008BotanyAnimal KingdomActual
Which one of the following is the true description about an animal concerned?
Options
- ACockroach - 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)
- BEarthworm - The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine
- CFrog - Body divisible into three regions - head, neck and trunk
- DRat - Left kidney is slightly higher in position than the right one
Correct answer
A. Cockroach - 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)
Step-by-step solution
In rat right kidney is sligtly higher than left because all the organs are concentrated towards left, only in human beings left kidney is higher. In earthworm the correct sequence of alimentary canal is pharynx, oesophagus, gizzard, stomach and intestine. In Frog, neck is absent.