Radula is present in

Options

A. Logio
B. Mytilus
C. Unio
D. Pila

Answer

**Step-by-Step Solution:**

1. **Understanding Radula**: Begin by defining what a radula is. The radula is a specialized feeding organ found in certain animals, characterized by its rasping function and transverse teeth.

2. **Location of Radula**: Identify where the radula is located. It is situated in the buccal cavity of certain organisms.

3. **Organisms with Radula**: Recognize that the radula is primarily associated with mollusks, particularly in the class Cephalopoda.

4. **Function of Radula**: Understand the primary function of the radula, which is to aid in feeding by scraping or rasping food.

5. **Identifying the Correct Option**: Analyze the provided options:
- Option 1: Loligo (a genus of squid, which is a cephalopod)
- Option 2: Mitalis (a bivalve)
- Option 3: Junia (a bivalve)
- Option 4: Paila (a gastropod)

6. **Conclusion**: Since the radula is present in cephalopods and specifically in the genus Loligo, the correct answer is option 1.

**Final Answer**: Radula is present in Loligo (a genus of squid).

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