Scolex occours in

Options

A. Hydra
B. Asaris
C. Taenia
D. liver Fluke

Answer

**Step-by-Step Solution:**

1. **Understanding the Term "Scolex":**
- The scolex is a specialized structure found in certain parasitic flatworms, particularly in the class Cestoda (tapeworms). It is primarily used for attachment to the host's intestinal wall.

2. **Analyzing the Options:**
- The question provides four options:
1. Hydra
2. Aceris
3. Tynah
4. Cleaver
- We need to identify which of these organisms possesses a scolex.

3. **Identifying the Correct Organism:**
- **Hydra:** This is a freshwater organism belonging to the class Hydrozoa and does not possess a scolex.
- **Aceris:** This is a genus of flatworms, but it is not known for having a scolex.
- **Tynah:** This is a genus of tapeworms, which do possess a scolex. The scolex in Tynah is characterized by its tetra-radiated structure and is equipped with hooks for attachment.
- **Cleaver:** This option does not refer to a known organism with a scolex.

4. **Conclusion:**
- Based on the analysis, the correct answer is **Tynah**, as it is the only organism listed that has a scolex.

**Final Answer:** Scolex occurs in **Tynah**.

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