In pollination "Trap door mechanism" is found in

Options

A. Salvia
B. Aristolochia
C. Ficus
D. Yucca

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks where the "trapdoor mechanism" in pollination is found. We need to identify the plant that exhibits this mechanism from the given options.

2. **Identifying the Mechanism**: The "trapdoor mechanism" is also known as the "hypanthodium." This term is crucial for understanding the specific type of pollination mechanism we are discussing.

3. **Analyzing the Options**: The options provided are:
- A) Salvia
- B) Aristolochia
- C) Ficus
- D) Yucca

4. **Examining Each Option**:
- **Salvia**: This plant does not exhibit the trapdoor mechanism.
- **Aristolochia**: This plant also does not exhibit the trapdoor mechanism.
- **Ficus**: This plant is known to exhibit the trapdoor mechanism (hypanthodium). It has a cup-like cavity where male flowers are present at the top and female flowers at the bottom, facilitating pollination.
- **Yucca**: This plant does not exhibit the trapdoor mechanism.

5. **Conclusion**: After analyzing the options, we can conclude that the trapdoor mechanism is found in **Ficus**.

**Final Answer**: The trapdoor mechanism is found in **Ficus**.

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