A.Sycon
B.Cockroach
C.House-fly
D.Star-fish
Related Mcqs:
- Ring-canal is found in:
- Which of the following is odd one:
- Ring-canal is found in the:
- Which of the following sets of animals is odd:
- In which of these the sexual reproduction takes place without copulation:
- Which of these animals respires through papullae:
- There are no copulatory organs in:
- Endoskeleton of calcareous plates is found in:
- Madreporite is present in:
- Dorsal heart is found in:
