MCQOPTIONS
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| 1. |
Canal system is a characteristic of [BHU 1982, 85, 2000, 02; CPMT 1996; CBSE PMT 1999, RPMT 1999] |
| A. | Hydra |
| B. | Sponge |
| C. | Sea anemone |
| D. | Sea urchin |
| Answer» C. Sea anemone | |