1.

Path of water in a sponge is                                         [CPMT 1984]

A. Dermal ostia \[\to \] Gastral ostia \[\to \]Osculum
B. Dermal ostia\[\to \]Gastral ostia\[\to \]Spongocoel\[\to \]Osculum  
C. Osculum \[\to \] Spongocoel \[\to \] Choanocytes \[\to \] Ostia
D. Pinacocytes \[\to \] Choanocytes \[\to \] Enteron \[\to \] Osculum
Answer» C. Osculum \[\to \] Spongocoel \[\to \] Choanocytes \[\to \] Ostia


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