A long term adaptation of having both dissected and undissected leaves occur in an aquatic plant which is

Options

A. Limnophila
B. Sagittaria
C. Eichhornia
D. Azolla

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for an aquatic plant that exhibits a long-term adaptation of having both dissected and undissected leaves.

2. **Identifying the Options**: The options provided are Limnophila, Sagittaria, Echornia, and Azolla.

3. **Analyzing Each Option**:
- **Limnophila**: Known to have both dissected and undissected leaves, which serve different functions in the aquatic environment.
- **Sagittaria**: Commonly known as duck potato, does not exhibit both types of leaves.
- **Echornia**: Also known as water hyacinth, it does not have both leaf types.
- **Azolla**: A water fern that does not display both dissected and undissected leaves.

4. **Conclusion**: Based on the analysis, Limnophila is the only option that fits the criteria of having both dissected and undissected leaves as a long-term adaptation.

5. **Final Answer**: The correct answer is **Limnophila**.

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