A.Cnidarians
B.Sponges
C.Molluscs
D.Echinoderms
Related Mcqs:
- Porocytes are specialized cells for the passage of:
- Archaeocytes and interstitial cells are found respectively in:
- A cavity outside body called mantle cavity is found in:
- Coelon is divided into septa in case of:
- Choanocytes are characteristic cells of:
- Which of these do not have a ventral nerve cord:
- Anaerbic respiration occurs in:
- Radial symunetry is found in:
- Soft body enclosed in a hard calcareous shell is found in:
- Dissolved haemoglobin is found in the plasma of:
