In which type of placentation do the ovules form a ridge along the ventral suture of the ovary?

In which type of placentation do the ovules form a ridge along the ventral suture of the ovary?
  1. Marginal
  2. Axile
  3. Parietal
  4. Basal

Solution

In marginal placentation, the placenta forms a ridge along the ventral suture of the ovary and the ovules are borne on this ridge forming two rows, as in pea.

Asked in: NCERT

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