Question

Pentamerous actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit capsule or berry, are characteristic features of-

• A. Liliaceae
• B. Asteraceae
• C. Brassicaceae
• D. Solanaceae

Answer 1

The Correct Option is D

The question is asking about the characteristic features of a specific plant family based on the given descriptions: "pentamerous actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit capsule or berry." These botanical features are commonly used in the classification and identification of plant families.

Analysis of the Given Characteristics:

1. Pentamerous Actinomorphic Flowers: This means that the flowers have five parts per whorl and are radially symmetrical. This is a common trait in many plant families.
2. Bicarpellary Ovary with Oblique Septa: A bicarpellary ovary means the ovary consists of two fused carpels. The presence of oblique septa (where the septum is not parallel) is a specific feature in some families.
3. Fruit Capsule or Berry: This refers to the type of fruit that develops from the ovary. A capsule is a dry fruit that opens when ripe to release the seeds, whereas a berry is a fleshy fruit without a stone.

Options Analysis:

• Liliaceae: Typically have trimerous flowers (three parts per whorl) and usually have a superior ovary, not specifically bicarpellary with oblique septa.
• Asteraceae: Known for composite flowers and inferior ovaries, not characterized by bicarpellary ovary with oblique septa.
• Brassicaceae: Often have flowers with four parts per whorl (tetradynamous) and siliques or silicles as the fruit, not specifically berries or capsules.
• Solanaceae: Known for pentamerous flowers, bicarpellary ovary with oblique septa, and typically produce fruits that are capsules or berries (e.g., tomatoes, bell peppers).

Based on the analysis above, the correct answer is Solanaceae. This family fits the description in the question with its characteristic pentamerous flowers, bicarpellary ovary with oblique septa, and fruit type.

Conclusion:

The characteristic features match with the Solanaceae family, thus this is the correct answer for the question posed.