Buccal segment of Pheretima is

Options

A. First segment
B. Second segment
C. Third segment
D. Both B and C

Answer

### Step-by-Step Solution:

1. **Understanding Pheretima**:
- Pheretima is commonly known as the Indian earthworm. It plays a crucial role in agriculture and is often referred to as the "farmer's friend" due to its ability to aerate the soil and enhance nutrient availability.

2. **Identifying the Buccal Segment**:
- The question asks about the buccal segment of Pheretima. The buccal segment refers to the part of the earthworm that contains the mouth.

3. **Segment Identification**:
- In Pheretima, the body is divided into segments. The first segment of the earthworm is specifically designated as the buccal segment, which is responsible for the intake of food.

4. **Additional Structures**:
- Above the mouth in the buccal segment, there is a structure known as the prostomium. The prostomium is a small, tongue-like lobe that assists in the feeding process.

5. **Choosing the Correct Option**:
- Given the options provided:
- Option 1: First segment
- Option 2: Second segment
- Option 3: Third segment
- Option 4: Both B and C
- The correct answer is **Option 1: First segment**, as it directly corresponds to the buccal segment of Pheretima.

### Final Answer:
The buccal segment of Pheretima is the **first segment**.

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