Question

Brassicaceae has ........... placentation.

• A. Parietal
• B. Axile
• C. Marginal
• D. None of the above

Answer 1

The correct option is A Parietal

1. Parietal placentation occurs in mustard in Brassicaceae family and the ovule develop on the inner wall of the ovary or on a peripheral part.
2. Axile placentation is observed in tomato, lemon etc in which ovules are attached to it in a multilocular ovary.
3. Marginal placentation occurs in pea, gram etc in Leguminosae family the placenta forms a ridge ventral suture of the ovary and the ovules are born on the ridge form two rows.

So the correct option is 'Parietal'