Tape worm hepatica occurs in

Options

A. Bile duct of sheep
B. Liver of sheep
C. Liver of man
D. Human bile ducts .

Answer

To answer the question regarding where the tapeworm hepatica occurs, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Organism**: The organism in question is the tapeworm hepatica, which is commonly known as the liver fluke.

2. **Understand the Nature of the Organism**: Tapeworm hepatica is classified as an endoparasite, meaning it lives inside the body of its host.

3. **Determine the Hosts**: This tapeworm requires two types of hosts for its life cycle:
- The primary host is a sheep.
- The secondary host is a gastropod mollusk (an invertebrate).

4. **Locate the Adult Form**: The adult form of the tapeworm is found in the bile duct of the sheep.

5. **Identify the Larval Stages**: The larval stages of the tapeworm are found in the gastropod mollusk.

6. **Evaluate the Options**: The question provides several options regarding where the tapeworm hepatica occurs:
- Bile duct of sheep
- Liver of sheep
- Liver of man
- Human bile ducts

7. **Select the Correct Answer**: Based on the information gathered, the tapeworm hepatica occurs in the bile duct of the sheep. Therefore, the correct answer is:
- **Bile duct of sheep**.

### Final Answer:
The tapeworm hepatica occurs in the **bile duct of sheep**.

---