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प्रश्न
The arrangements of ovules within the ovary is known as placentation. What does the term placenta refer to? Name and draw various types of placentations in the flower as seen in T.S. or V.S.
आकृति
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उत्तर
The placenta is a cushion-like flattened tissue to which one or even more ovules are attached. It nourishes the developing embryo.
(a) Parietal Placentation
(b) Marginal Placentation
(c) Axile placentation
(d) Free central placentation
(e) Basal
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