A.Echinoderms
B.Molluscs
C.Nematodes
D.Arthropods
Related Mcqs:
- Excretory organs are totally absent in:
- Which of these do not have a ventral nerve cord:
- A cavity outside body called mantle cavity is found in:
- Compound eyes are present in:
- Peripatus is a connecting link between:
- Archaeocytes and interstitial cells are found respectively in:
- Animals with spiny skin are called:
- Syncitial hypodermis and muscle layers in:
- Anaerbic respiration occurs in:
- Porocytes are specialized cells found exclusively in:
