MCQ
Which is not applicable to coelenterata
- ACoelenteron
- ✓Choanocytes
- CNematoblasts
- DRadial symmetry
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$I$. It checks the mixing of oxygenated and deoxygenated blood in heart
$II$. It circulates only oxygenated blood through heart.
Choose the correct option accordingly
| Column I | | Column II | |
| A | Phallomere | i. | Chain of developing ova |
| B | Gnopore | ii. | Bundles of sperm |
| C | Spermatophore | iii. | Opening of the ejaculatiry duct |
| D | Ovarloles | iv. | The external genotalia |