A. Osculum
B. Ostia
C. Spongocoel
D. None of these
Related Mcqs:
- Which part of sponge body is very sensitive:
- Water enters the body of sponges through:
- A sponge of Antarctica which is more than a meter tall is____________??
- If carmine particles are placed in close association of living sponge, the these will:
- The cavity of cnidarians is called:
- Incurrent canals in syconoid sponge are:
- Fatty acids containing 18 C atoms and a single double bond is____________??
- The cavity common to all types of canal systems is:
- The pyramid of numbers in a single tree is____________?
- A cavity outside body called mantle cavity is found in:
