Carica papaya is

Options

A. Monoecious
B. Dioecious
C. Gynomonoecious
D. Andromonoecious.

Answer

To determine the classification of Carica papaya, we will analyze the characteristics of the plant and the definitions of the terms provided in the options.

### Step-by-Step Solution:

1. **Identify the Plant**: Carica papaya is commonly known as Papaya and belongs to the family Caricaceae.

2. **Understand the Plant Structure**: Carica papaya is described as a small, sparsely branched tree with a single stem.

3. **Determine Flower Characteristics**: The flowers of Carica papaya are 5-parted and dimorphic, meaning there are distinct differences between male and female flowers.

4. **Identify Flower Types**:
- **Male Flowers**: In Carica papaya, male flowers have stamens that are fused to the petals.
- **Female Flowers**: Female flowers are located in the leaf axils.

5. **Define Dioecious**: A dioecious plant has male and female reproductive structures on separate individuals. This means that male and female flowers are found on different plants.

6. **Analyze the Options**:
- **Monoecious**: Plants that have both male and female flowers on the same individual.
- **Dioecious**: Plants that have male and female flowers on separate individuals (this fits Carica papaya).
- **Gynomonocious**: Plants that have both female and hermaphrodite flowers on the same plant.
- **Andromonoecious**: Plants that have both male and hermaphrodite flowers on the same plant.

7. **Conclusion**: Since Carica papaya has distinct male and female flowers on separate plants, it is classified as dioecious.

### Final Answer:
Carica papaya is a **dioecious** plant.

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