Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is :

1. Basal

2. Axile

3. Parietal

4. Free central

Doubtly Asked 30 Oct 2026 NEET UG 2019 Practice test neet Save WhatsApp Report

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Answer: 3. Parietal

Key idea: Placentation is the arrangement of ovules on the placenta inside the ovary.

Marginal: along one margin of a single carpel (pea).
Axile: on the central axis of a multilocular ovary (China rose).
Parietal: ovules on the inner ovary wall or peripheral part (mustard, Argemone).
Free central: on a central column without septa (Dianthus, Primrose).
Basal: a single ovule at the base (sunflower).

So the answer is parietal.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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