ICSE Class 9 Answered
How are seeds classified on the basis of endosperm?
Asked by Topperlearning User | 04 May, 2016, 09:17: AM
Expert Answer
On the basis of endosperm, seeds are classified into two types:
(1) Albuminous/Endospermic seeds: The endosperm is large, thick and fleshy. It serves as the food source for the developing embryo. The cotyledons are thin and membranous. They absorb food from the endosperm and supply it to the growing embryo.
E.g. Dicot albuminous seeds: Poppy, Custard apple, Muskmelon, Fenugreek
Monocot albuminous seeds: Cereals, Millets, Palm, Onion
(2) Exalbuminous/Non-endospermic seeds: The cotyledons store food and become thick and fleshy.
E.g. Dicot exalbuminous seeds: Gram, pea, Mango, Mustard, Soybean
Monocot exalbuminous seeds: Orchid, Amorphophallus, Vallisneria
Answered by | 04 May, 2016, 11:17: AM
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