Glass-sponges’ are found in:
A.Shallow waters
B.Deep waters
C.Both (a) & (b)
D.None of these
Category: Phylum Porifera Mcqs
Free swimming larva of Leucosolenia is:
A.Trochophore
B.parenchymula
C.Planula
D.Amphiblastula
Cells loaded with food material in sponges are:
A.Trophocytes
B.Collencytes
C.Thesocytes
D.None of these
Turkish bath sponge’ is produced from:
A.Euplectella
B.Spongia
C.Scypha
D.None of these
If osculum of a sponge is sealed then it will:
A.Die shortly due to stoppage of water current
B.Grow more as water is not wasted
C.Multiply asexually due to external stimulus
D.Show none of these
The term ‘parazoa’ for sponges was used by:
A.Sollas
B.Grant
C.Ellis
D.None of these
In syconoid structure the radial and incurrent canals differ in being lined with:
A.Choanocytes
B.Archaeocytes
C.Chromocytes
D.Mesocytes
Which is the correct sequence of water current through body of leucosolenia:
A.Spongocoel ? osculum ?ostium
B.Ostium ? spongocoel ? osculum
C.Ostium ? osculum ? spongocoel
D.Osculum ? ostium ? spongocoel
Inside body of Euplectella which of these live as endocommensals:
A.Spongicola
B.Charilla
C.Both (a) & (b)
D.None of these
Pigment containing cells of sponges are called:
A.Chromocytes
B.Thesocytes
C.Desmacytes
D.Collencytes
