A.Annelids
B.Molluscs
C.Nematodes
D.None of these
Related Mcqs:
- Archaeocytes and interstitial cells are found respectively in:
- Which of these do not have a ventral nerve cord:
- Peripatus is a connecting link between:
- Excretory organs are totally absent in:
- Water vascular system is present in:
- Flame cells are characteristic of:
- Nervous system in form of nerve net was first studied in:
- Anaerbic respiration occurs in:
- Ventral nerve cord is absent in which of these:
- Coelon is divided into septa in case of:
