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Question
Non-albuminous seeds occur in
Non-albuminous seeds occur in
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Solution
The correct option is B Vallisneria
Categorisation of seeds based on residual endosperm
On the basis of the presence of the residual endosperms, seeds are of two types:
- Albuminous seeds: Characterised by the persistence of the endosperm in mature seeds as the developing embryo does not consume the endosperm completely.
- Non-albuminous seeds: Characterised by the absence of endosperm in mature seeds as the developing embryo consumes the endosperm completely.
Maize, wheat and rice
The seeds of maize, wheat and rice are albuminous in nature.
Vallisneria
Vallisneria bears non-albuminous seeds in which the developing embryo completely consumes the endosperm. Hence, the mature seeds do not show the presence of endosperm.
Final answer
d. Vallisneria.
Categorisation of seeds based on residual endosperm
On the basis of the presence of the residual endosperms, seeds are of two types:
- Albuminous seeds: Characterised by the persistence of the endosperm in mature seeds as the developing embryo does not consume the endosperm completely.
- Non-albuminous seeds: Characterised by the absence of endosperm in mature seeds as the developing embryo consumes the endosperm completely.
The seeds of maize, wheat and rice are albuminous in nature.
Vallisneria
Vallisneria bears non-albuminous seeds in which the developing embryo completely consumes the endosperm. Hence, the mature seeds do not show the presence of endosperm.
Final answer
d. Vallisneria.
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