STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS
MORPHOLOGY OF FLOWERING PLANTS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Axile
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Free central
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Marginal
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Basal
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Detailed explanation-1: -Sweet pea shows marginal placentation. In marginal placentation, a ridge is formed by the placenta along the ventral suture of the ovary. The development of ovules takes place on the ridge. Thus, two separate rows are formed.
Detailed explanation-2: -In marginal placentation, the placenta forms a ridge on the ventral suture of the ovary and the ovules are borne on this ridge. Such placentation is seen in pea.
Detailed explanation-3: -The Fabaceae family is distinguished by marginal placentation. The ovules in this type of placentation are arranged in a row on the ovary’s ventral suture. As members of the Fabaceae, gram, arhar, sun hemp, moong, pea, and lupin have marginal placentation.
Detailed explanation-4: -1. Marginal placentation: The placenta forms a ridge that runs across the ovary’s ventral suture, and ovules are borne in two rows on the ridge. Example: Pea.
Detailed explanation-5: -(A) Marginal placentation-The ovary in which the placenta forms a ridge along the ventral suture of the ovary and the ovules develop on two separate rows is known to have marginal placentation. This type of placentation is found in peas.