In Shark, mouth and nares are

Options

A. ventral and dorsal
B. terminal and dorsal
C. both ventral
D. dorsal and ventral

Answer

To answer the question regarding the location of the mouth and nares (nostrils) in sharks, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Anatomy of Sharks**:
- Sharks belong to the class Chondrichthyes, which are characterized by their cartilaginous skeletons.
- Familiarize yourself with the basic anatomy of sharks, particularly the location of their mouth and nostrils.

2. **Identifying the Terms**:
- **Dorsal**: Refers to the upper side or back of the animal.
- **Ventral**: Refers to the underside or abdominal side of the animal.
- **Terminal**: Refers to the front or anterior part of the head.

3. **Locating the Mouth and Nares**:
- In sharks, both the mouth and the nares (nostrils) are located on the underside of the head.
- This means that they are positioned ventrally.

4. **Evaluating the Options**:
- The options provided are:
1. Ventral and dorsal
2. Terminal and dorsal
3. Both ventral
4. Dorsal and ventral
- Since both the mouth and nostrils are located on the ventral side, the correct answer is option 3: "Both ventral".

5. **Conclusion**:
- Therefore, the mouth and nares of a shark are located on the ventral side of its head.

### Final Answer:
The mouth and nares in sharks are located on the **ventral side** of the head. The correct option is **both ventral**.

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