Question

An example of axile placentation is-

• A. Argemone
• B. Marigold
• C. Lemon
• D. Dianthus

Answer 1

The correct option is C

Lemon

The correct option is C

Explanation of correct option

1. If the placenta is located axially on a central column, this creates a partition or chambers thus separating the attached ovaries from the placenta. This is called axile placentation.
2. Examples- lemon, onion, china rose, potato, tomato, etc.

Explanation of incorrect option

Option A

1. Attachment of the ovules to the inner walls of the ovary is called parietal placentation.
2. Argemone shows parietal placentation.

Option B

1. If the ovules are found attached to the ovary base, it is called basal placentation. Usually, a single ovule is found.
2. Marigold flowers show basal placentation.

Option D

1. If ovules are found in clusters freely attached around the centrally located columnar placenta, it is called free central placentation.
2. Dianthus shows free central placentation.

Final answer

An example of axile placentation is lemon.