Undigested food is passed out by which of these:
A.Archaeocytes
B.Phagocytes
C.Both (a) & (b)
D.None of these
A.Archaeocytes
B.Phagocytes
C.Both (a) & (b)
D.None of these
A.Muscle fibres
B.Nerve fibres
C.Spongin fibres
D.Silk fibres
A.Osculum
B.Ostia
C.Spongocoel
D.None of these
A.Epithelial tissue only
B.No tissues
C.Epithelial and connective tissues
D.All four types of tissues
A.Sessile, colonial and fresh water form
B.Sessile, colonial and marine form
C.Sessile, solitary and marine
D.Free living solitary and marine
A.Hyalonema
B.Euspongia
C.Euplectella
D.Spongilla
A.On osculum
B.Towards spongocoel
C.In body wall
D.None of these
A.Amoebocytes
B.Archaeocyte
C.Choanocyte
D.Collencyte
A.Collencytes
B.Chromocytes
C.Thesocytes
D.None of these
A.Several mouthlets and one opening
B.Nerve cells
C.Absence of blood
D.None of these