Question

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

• A. Parietal
• B. Basal
• C. Free central
• D. Axile

Answer 1

The correct option is A

Parietal

The correct option is A.

Explanation of the correct option:

1. Placentation is the arrangement of ovules inside the ovary.
2. When ovules develop on the inner wall or peripheral part of the ovary, it is called parietal placentation.
3. Example - Papaya.

Explanation of the incorrect options:

Option B:

1. When ovules develop at the base of the ovary, it is called basal placentation.
2. Example - Sunflower, marigold.

Option C:

1. When ovules develop at a central axis inside the ovary, it is called free central placentation. The central axis is not connected to the ovary wall by any septum.
2. Example - Dianthus.

Option D:

1. When ovules develop in a column separated by locules inside the ovary, it is called axile placentation.
2. Example - Tomato, orange.

Final answer: Placentation in which ovules develop on the inner wall of the ovary or in the peripheral part is parietal placentation.