`underset_G` and `overset_G`

Options

A. Epigymous and Perigynous flowers
B. Superior ovary and inferior ovary
C. Inferior and superior ovary
D. Fused and free gynoecium

Answer

To solve the question regarding the terms "underset_G" and "overset_G" in relation to the morphology of flowering plants, we can break it down into the following steps:

### Step 1: Understand the Terms
- The terms "underset_G" and "overset_G" refer to the positioning of the ovary in relation to other floral parts.
- The bar above or below the letter G indicates whether the ovary is superior or inferior.

### Step 2: Define Superior and Inferior Ovary
- **Superior Ovary**: This is when the ovary is positioned above the other floral parts (petals, sepals, and stamens). This condition is referred to as **Hypogynous**.
- **Inferior Ovary**: This is when the ovary is positioned below the other floral parts. This condition is referred to as **Epigynous**.

### Step 3: Identify the Characteristics
- In **Hypogynous** flowers (superior ovary), the petals, sepals, and stamens are located below the ovary.
- In **Epigynous** flowers (inferior ovary), the petals, sepals, and stamens are located above the ovary.

### Step 4: Conclusion
- Based on the definitions and characteristics, we can conclude that:
- "underset_G" represents the **Inferior Ovary (Epigynous)** condition.
- "overset_G" represents the **Superior Ovary (Hypogynous)** condition.

### Final Answer
Thus, the answer should be option no. 2, indicating the distinction between the superior and inferior ovaries based on their positioning relative to other floral parts.

---