Cells found only in sponges and not in other metazoa are:
A.Nematocysts
B.Nematoblasts
C.Choanocytes
D.Chondriocytes
A.Nematocysts
B.Nematoblasts
C.Choanocytes
D.Chondriocytes
A.Bilaterally symmetrical
B.Radially symmetrical
C.Asymmetrical and radial
D.Asymmetrical
A.Calcoblasts
B.Silicoblasts
C.Spongioblasts
D.None of these
A.Molluscan shells
B.Corals
C.Crustaceans
D.None of these
A.Asconoid
B.Syconoid
C.Leuonoid
D.Rhagon type
A.Asconoid
B.Syconoid
C.Leuconoid
D.None of these
A.Incurrent canal
B.Excurrent canal
C.Radial chamber
D.Spongocoel
A.A sexual reproduction
B.Asexual reproduction
C.Only dissemination
D.None of these
A.Ornithology
B.Histology
C.Entomology
D.None of these
A.Pinacocytes
B.Epithelial cells
C.Sponging fibres
D.Synegtial mass of amoeboid cells