A.Molluscan shells
B.Corals
C.Crustaceans
D.None of these
Related Mcqs:
- Cliona chelata is a boring sponge found upon:
- Boring spong’ is:
- Which of these is not a name for sponge spicules:
- A sponge differs with other metazoa in having:
- If osculum of a sponge is sealed then it will:
- A sponge can be distinguished from other animals by the presence of:
- Turkish bath sponge’ is produced from:
- Which part of sponge body is very sensitive:
- Incurrent canals in syconoid sponge are:
- Canal system is found in which of these:
