A.Open to outside but closed towards spongocoel
B.Open to spongocel but closed to outside
C.Closed to outside but opening into osculum
D.None of these types
Related Mcqs:
- Incurrent canals in syconoid sponge open into radial canals with the help of:
- If carmine particles are placed in close association of living sponge, the these will:
- In syconoid structure the radial and incurrent canals differ in being lined with:
- Which part of sponge body is very sensitive:
- The single main opening of the sponge cavity is____________??
- The course of water current given below is found in thich of the following canal systems: Water ? ostia ? incurrent canals ? prosophyles ? radial canals ? apopyles ? spongocoel ? osculum ? out
- Which is the correct sequence of water current through body of leucosolenia:
- In which of the canal system the following course of water current is found water enters ? dermal ostia ? subdermal spsces ? branching incurrent canals ? prosopyles ? Ilagellated chambers ? apopyles ? excurrent canals ? large channel ? osculum ? out:
- The pinacocytes lining spongocoel in a syconoid sponge are called:
- Ecosystem is:
