A pair of male genital pores in earthworm are present on the ventro-lateral sides of the

Options

A. `14^(th)` segment
B. `18^(th)` segment
C. `10^(th)` segment
D. `15^(th)` segment

Answer

To solve the question regarding the location of the male genital pores in earthworms, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Structure of Earthworms**:
- Earthworms belong to the phylum Annelida and have a segmented body structure. They typically have around 100 to 150 segments.

2. **Identify the Reproductive System**:
- Earthworms are hermaphrodites, meaning they possess both male and female reproductive organs within the same individual.

3. **Locate the Male Reproductive Organs**:
- The testes, which are responsible for sperm production, are located in segments 10 and 11 of the earthworm.

4. **Trace the Male Reproductive Pathway**:
- The sperm produced in the testes travels through a tube called the Vasa Differentia.

5. **Identify the Male Genital Pores**:
- The male genital pores, which are the openings for the release of sperm, are located on the surface of the earthworm in segment 18.

6. **Review the Options**:
- The options provided are 14 segment, 18 segment, 10 segment, and 15 segment.
- Since we have identified that the male genital pores are in segment 18, we can conclude that this is the correct answer.

### Final Answer:
The pair of male genital pores in earthworms are present on the ventro-lateral sides of the **18th segment**.

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