Question
Describe the difference between the structures of a dicot embryo and monocot embryo. Also draw LS of monocot and dicot seeds.
✓
Answer
Difference between the structures of a dicot embryo and monocot embryo:
| S. No. | DICOT EMBRYO | MONOCOT EMBRYO |
| 1. | Dicot embryo is enclosed in between two cotyledons. | Monocot embryo is enclosed by a single cotyledon. |
| 2. | Dicot embryo has its plumule, future shoot in distal position. | Monocot embryo has its plumule in lateral position. |
| 3. | Dicot embryo has no protective sheaths on the plumule and radicle. | Monocot embryo has protective sheaths called as coleoptile covering the plumule and coleorrhiza covering the radicle. |
| 4. | Dicot embryo has no scutellum. | Monocot embryo has a scutellum. |
| 5. | Dicot embryo mostly does not have an endosperm to nourish it. | Monocot embryo has an endosperm to nourish the embryo. |
Diagram LS of monocot and dicot seeds:
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