Which type of placentation has ovules attached to the walls of the ovary?

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Multiple Choice

Which type of placentation has ovules attached to the walls of the ovary?

Explanation:
Placentation describes where ovules attach inside the ovary. In parietal placentation, the ovules are borne on the inner walls (parietes) of the ovary. This means the attachment points run along the walls rather than from a central axis or a seam. It contrasts with other patterns: axile placentation has ovules attached to a central column within each locule; marginal placentation places ovules along the margin of a single fused carpel; and free central placentation has a central axis bearing the ovules, not the walls. So, when ovules are attached to the walls of the ovary, the correct description is parietal placentation.

Placentation describes where ovules attach inside the ovary. In parietal placentation, the ovules are borne on the inner walls (parietes) of the ovary. This means the attachment points run along the walls rather than from a central axis or a seam. It contrasts with other patterns: axile placentation has ovules attached to a central column within each locule; marginal placentation places ovules along the margin of a single fused carpel; and free central placentation has a central axis bearing the ovules, not the walls. So, when ovules are attached to the walls of the ovary, the correct description is parietal placentation.

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