Canal system in Euplectella is:
A.Asconoid B.Syconoid C.Leuconoid D.None of these
Phylum Porifera
Porocytes are specialized cells for the passage of:
A.Incoming water current and are located in the body wall of sponges B.Excretory products and are located inside the body of flat-worms C.Outgoing water current and are located on the top of sponge D.None of these
Dermal surface of Euplectella is made by:
A.Pinacocytes B.Epithelial cells C.Sponging fibres D.Synegtial mass of amoeboid cells
In Scypha the choanocytes are found in the:
A.Incurrent canals B.Radial canals C.Spongocoel D.None of these
Choanocytes are found lining whole of spongocoel in :
A.Leucosolenia B.Scypha C.Both (a) & (b) D.None of these