Which of the following is monoecious

Options

A. Papaya
B. Date palm
C. Vallisneria
D. Cucurbita

Answer

To determine which of the following options is monoecious, we need to understand the definition of monoecious plants and analyze each option accordingly.

### Step-by-Step Solution:

1. **Understand the Definition of Monoecious Plants**:
- Monoecious plants are those that have both male and female reproductive organs in the same individual. This means that a single plant can produce both male and female flowers or have both types of organs in one flower.

2. **Analyze the Options**:
- **Option A: Papaya**:
- Papaya is a dioecious plant, meaning that male and female reproductive organs are found on separate plants. Therefore, this option is incorrect.

- **Option B: Date Palm**:
- Date palm is also dioecious, with male and female flowers on different plants. This option is also incorrect.

- **Option C: Valisneria**:
- Valisneria is another dioecious plant, where male and female flowers are found on different individuals. Thus, this option is incorrect as well.

- **Option D: Cucurbita**:
- Cucurbita (which includes squashes and pumpkins) is a monoecious plant. It has both male and female flowers on the same plant, making this option correct.

3. **Conclusion**:
- The correct answer to the question "Which of the following is monoecious?" is **Cucurbita**.

### Final Answer:
**Cucurbita** is the monoecious plant among the given options.

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