Seismonasty occurs in

Options

A. Sammanea saman
B. Albizzia lebbek
C. Hibiscus rosa-sinensis
D. Mimosa pudica.

Answer

**Step-by-Step Solution:**

1. **Understanding Seismonasty**: Seismonasty is a type of nastic movement in plants that occurs in response to mechanical stimuli, such as touch or vibration.

2. **Identifying the Mechanism**: This movement is characterized by the plant's response to stimuli, leading to a specific reaction, such as the drooping of leaves.

3. **Example of Seismonasty**: A well-known example of seismonasty is observed in the plant *Mimosa pudica*, commonly known as the sensitive plant. When the leaves of this plant are touched, they fold and droop.

4. **Evaluating Options**: The question provides several options to identify which plant exhibits seismonasty. The options are:
- A) Samenia samant
- B) Alabazar labak
- C) Hibiscus rosa-sinensis
- D) Mimosa pudica

5. **Selecting the Correct Answer**: Among the options, *Mimosa pudica* is the correct answer, as it is known for its seismonastic movements where the leaves droop upon being touched.

6. **Conclusion**: Therefore, the correct answer to the question "Seismonasty occurs in" is *Mimosa pudica*.

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