The term used when anthers and stigmas of intersexual or perfect

Options

A. bud pollination
B. immature pollination
C. cross pollination
D. cleistogamy

Answer

To solve the question regarding the term used when anthers and stigmas of intersexual or perfect flowers are involved, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for a specific term related to the reproductive structures (anthers and stigmas) of intersexual or perfect flowers. Intersexual or perfect flowers contain both male (anthers) and female (stigmas) reproductive organs.

2. **Analyzing the Options**:
- **Option A: Bud Pollination**: This refers to pollination that occurs while the flower is still in the bud stage, before it fully opens.
- **Option B: Immature Pollination**: This term is not commonly used in the context of flowering plants and does not specifically relate to the timing of pollination.
- **Option C: Cross Pollination**: This involves the transfer of pollen from the anther of one flower to the stigma of another flower, which is not specific to the condition of the flower being in bud.
- **Option D: Clostridium**: This is a genus of bacteria and is unrelated to the topic of flowering plants.

3. **Identifying the Correct Answer**: Given that the question specifically refers to the condition of the flower being in the bud stage and the involvement of both anthers and stigmas, the most appropriate term is **Bud Pollination** (Option A). This is because bud pollination occurs when the flower has not yet opened, but the reproductive structures are still functional.

4. **Final Answer**: The correct answer is **Option A: Bud Pollination**.