A.Respiratory
B.Excretory
C.Digestive
D.None of these
Related Mcqs:
- Which system is present in nematodes??
- Which of these organs do not undergo any special change during metamorphosis:
- Air bladder is:
- Which of these systems are not found in liver-fluke and tape-work:
- Endoderm forms ____________.
- Which of following system is segmentally arranged in annelids??
- Laurer’s canal in liver-fluke is associated with:
- Classification of phylum mollusca is based on:
- Terminal ducts of septal nephridia in earthworm open:
- Pila is:
