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11 grade biology others

In a polycarpellary and syncarpous pistil, ovary can be unilocular or multilocular and placentation can be?A. Free-Central or parietal.B. Parietal or marginal.C. Marginal or free central.D. Parietal or axile.

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1 Year agoGrade
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1 Year ago

In a polycarpellary and syncarpous pistil, where the ovary can be unilocular or multilocular, and assuming syncarpous refers to multiple carpels fused together, the placentation options typically associated are:

D. Parietal or axile.

Parietal placentation occurs when the ovules are attached to the inner wall (parietal) of the ovary, which is common in syncarpous ovaries. Axile placentation occurs when the ovules are attached to central columns formed by the fusion of carpel margins.