How many young· amoebae hatch out from single cyst of Entamoeba histolytica?

Options

A. 4
B. 8
C. 1
D. 2

Answer

To answer the question of how many young amoebae hatch out from a single cyst of Entamoeba histolytica, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Entamoeba histolytica**:
- This organism is a protozoan that causes amoebic dysentery in humans and other primates. It is important to know its life cycle to understand how it reproduces.

2. **Life Cycle of Entamoeba histolytica**:
- The cysts of Entamoeba histolytica are ingested through contaminated food or water. Once inside the human body, these cysts travel through the gastrointestinal tract.

3. **Hatching of Cysts**:
- When the cyst reaches the intestines, it undergoes a process called excystation, where it hatches and releases young amoebae.

4. **Number of Young Amoebae**:
- From a single cyst of Entamoeba histolytica, only **one** young amoeba hatches out. This is a crucial point as it directly answers the question.

5. **Conclusion**:
- Therefore, the answer to the question is that from a single cyst of Entamoeba histolytica, **one young amoeba** hatches out.

### Final Answer:
The correct option is **one**.

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