Tabulate the essential differences in the structure of a dicotyledonous and monocotyledonous seed.
GeneralClass 12AllAnswered 27 Mar 2026
Answer
Solution:
|
Character |
Dicotyledonous Seed |
Monocotyledonous Seed |
|
Cotyledons |
Two |
One (scutellum) |
|
Endosperm |
Non-endospermic (exalbuminous) in most |
Endospermic (albuminous) |
|
Aleurone layer |
Absent |
Present (triploid, protein-rich) |
|
Seed coat |
Free from fruit wall |
Fused with fruit wall (caryopsis) |
|
Embryo |
Cotyledons large, plumule/radicle simple |
Coleoptile, coleorhiza present |
|
Examples |
Pea, gram, bean |
Maize, wheat, rice |
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