which of the following vacuoles help in osmoregulation in Amoeba?

Options

A. gas vacuole
B. food vacuole
C. contractile vacuole
D. sap vacuole

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which type of vacuole in Amoeba is responsible for osmoregulation. Osmoregulation is the process by which organisms regulate the water and electrolyte balance in their bodies.

2. **Identifying the Types of Vacuoles**: In Amoeba, there are several types of vacuoles, including:
- Gas vacuoles
- Food vacuoles
- Contractile vacuoles
- Sap vacuoles

3. **Analyzing Each Type of Vacuole**:
- **Gas Vacuole**: This vacuole helps in maintaining buoyancy and is not involved in osmoregulation. Therefore, it can be eliminated.
- **Food Vacuole**: This vacuole is involved in the storage and digestion of food. It does not play a role in osmoregulation, so it can also be eliminated.
- **Contractile Vacuole**: This vacuole is specifically involved in osmoregulation. It helps in expelling excess water from the cell, thus maintaining the osmotic balance. This is the correct answer.
- **Sap Vacuole**: This vacuole is primarily involved in storage, particularly of pigments, and does not contribute to osmoregulation. Hence, it can be eliminated.

4. **Conclusion**: Based on the analysis, the vacuole that helps in osmoregulation in Amoeba is the **Contractile Vacuole**.

5. **Final Answer**: The correct answer is **Option C: Contractile Vacuole**.

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