MCQ
Planktons are organisms which
- ✓Float on water surface
- BAre free swimmers
- CAre deep sea forms
- DAre burrowing forms
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| 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 |
Choose the correct option for $A$ and $B$