MCQ
In which phylum is water vascular system found
- AProtozoa
- BArthropoda
- CPorifera
- ✓Echinodermata
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| List - l | List - ll |
| (a) Crop | (i) grinding the food particles |
| (b) Proventriculus | (ii) secretion of digestive juice |
| (c) Hepatic caecae | (iii) removal of nitrogenouswaste |
| (d) Malpighian tubules | (iv) storage of food |