| Coleoptile | coleorhiza |
| It is the protective sheath which covers the plumule in a monocot seed | It is the undifferentiated sheath which covers the radicle and root cap in a monocot seed |
| It is green in colour and comes out from the soil, and performs photosynthesis. | It remains inside the soil and is non-green in colour. |
Q. Difference between Coleorhiza and Coleoptile.
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