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In Dianthus, placentation is (a) Basal...

In Dianthus, placentation is
(a) Basal
(b) Marginal
(c) Axile
(d) Free central

A

Basal

B

Marginal

C

Axile

D

Free central.

Text Solution

AI Generated Solution

The correct Answer is:
To determine the type of placentation in Dianthus, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Concept of Placentation**: - Placentation refers to the arrangement of ovules within the ovary of a flower. It is crucial to know this definition to identify the type of placentation in different plants. 2. **Identify the Types of Placentation**: - There are several types of placentation, including: - **Basal**: Ovules are attached at the base of the ovary. - **Marginal**: Ovules are attached along the margin of a single carpel. - **Axile**: Ovules are attached to a central column (septum) within a multi-carpel ovary. - **Free Central**: Ovules are attached to a central column but there are no septa dividing the ovary. 3. **Research the Plant Dianthus**: - Dianthus is a genus of flowering plants known for their beautiful blooms. It is important to note its characteristics regarding placentation. 4. **Determine the Type of Placentation in Dianthus**: - According to botanical studies, Dianthus exhibits **free central placentation**. In this type, the ovules are arranged in the center of the ovary without any septa dividing them. 5. **Select the Correct Answer**: - Based on the information gathered, the correct answer to the question is **(d) Free central**. ### Final Answer: The type of placentation in Dianthus is **(d) Free central**. ---
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