Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is:
Basal
Axile
Parietal
Free central
Correct answer: Parietal
Solution
In parietal placentation, ovules are borne on the inner wall of a unilocular ovary, often along the fused margins of carpels. This matches the description of ovules developing on the inner wall or peripheral part.