If carmine particles are placed in close association of living sponge, the these will:
A.Be sucked into spongocoel
B.Remain where they are
C.Be carried away from osculum
D.Rotate in a circle around osculum
Category: Phylum Porifera Mcqs
Which of the cells of Leucosolenia work like muscle cells of vertebrates:
A.Myocytes
B.Collencytes
C.Thesocytes
D.None of these
Ornamental sponges belong to the group of:
A.Calcareous sponges
B.Glass sponges
C.Demospongiae
D.None of these
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
Free larva of Sycon is:
A.Planula
B.Scyphistoma
C.Amphiblastule
D.Olynthus
Flagellated cells in sponges are called:
A.Choanocytes
B.Pinacocytes
C.Porocytes
D.Thesocytes
Olynthus in sponges is the name of:
A.A larval stage
B.A type of cell
C.A skeletal element
D.A type of canal system found in the adult stage of few sponges
Endoskeleton in sponges is made up of:
A.Calcareous spicules only
B.Silicious spicules
C.Spongin fibres
D.All of these
Which of the cells has a single pseudopodium:
A.Amoebocytes
B.Collencyte
C.Myocyte
D.Gemmule arechaeocyte
