A rasping organ with transverse teeth and present in the buccal cavity of a mollucs is called

Options

A. Dental plate
B. Radula
C. Tongue
D. Rasper

Answer

To solve the question "A rasping organ with transverse teeth and present in the buccal cavity of a mollusk is called," we will analyze the options provided and identify the correct answer step by step.

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for a specific organ found in mollusks that has a rasping function and features transverse teeth.

2. **Analyzing the Options**:
- **A. Dental Plate**: This option refers to a structure that carries teeth but is not specifically known for rasping. It is typically not associated with mollusks.
- **B. Radula**: This is a well-known organ in mollusks. It is a chitinous, ribbon-like structure with transverse teeth that is used for scraping or rasping food.
- **C. Tongue**: While the tongue is a rasping organ in some animals, it is primarily associated with vertebrates, not mollusks.
- **D. Rasp**: This term is more general and does not specifically refer to a structure in mollusks.

3. **Identifying the Correct Answer**:
- The option that best fits the description of a rasping organ with transverse teeth present in the buccal cavity of a mollusk is **B. Radula**.

4. **Conclusion**: The correct answer to the question is **Radula**.

### Final Answer:
**B. Radula**