Which of the following insectivorous plant produces bladder in water?

Options

A. Nepenthes
B. Drosera
C. Dionea
D. Utricularia

Answer

To solve the question "Which of the following insectivorous plants produces bladder in water?", we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Characteristics of the Plants**:
- We need to focus on insectivorous plants that have the ability to produce bladders and are aquatic.

2. **List the Given Plants**:
- The plants mentioned are Nephthys, Drosera, Dionaea, and Utricularia.

3. **Determine the Nature of Each Plant**:
- **Nephthys**: Known as a pitcher plant, it is not aquatic.
- **Drosera**: Commonly known as sundew, it is also a terrestrial plant.
- **Dionaea**: Known as the Venus flytrap, it is a terrestrial plant as well.
- **Utricularia**: This is known as the bladderwort and is an aquatic plant.

4. **Check for Insectivorous Nature**:
- All four plants mentioned are insectivorous, but we need to focus on their habitat and structure.

5. **Identify the Presence of Bladders**:
- Nephthys, Drosera, and Dionaea do not have bladders for catching insects.
- Utricularia has specialized bladders that trap small aquatic organisms.

6. **Conclusion**:
- Based on the criteria of being insectivorous, aquatic, and possessing bladders, the correct answer is **Utricularia**.

### Final Answer:
The insectivorous plant that produces bladders in water is **Utricularia**.

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