Tick mark the wrong match (in earthworm).

Options

A. Female genital aperture-Midventral line of 14th segment
B. A pair of male genital apertures- Ventrolateral sides of 18th segment
C. Genital papillae- Ventral surface of 17th and 19th segments
D. Clitellum of Cingulum-9th to 14th segment

Answer

To solve the question of identifying the wrong match in the anatomical features of an earthworm, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Features Listed**: The question asks us to identify the wrong match among the given anatomical features of the earthworm. We will evaluate each option provided.

2. **Evaluate the First Option**:
- **Female Genital Aperture**: It is stated to be located at the mid-ventral line of the 14th segment.
- **Verification**: This is correct as the female genital aperture is indeed located at the mid-ventral line of the 14th segment.
- **Conclusion**: This option is correct.

3. **Evaluate the Second Option**:
- **Male Genital Aperture**: It is stated to be located at the ventral lateral side of the 18th segment.
- **Verification**: This is also correct as the male genital apertures are located at the ventral lateral side of the 18th segment.
- **Conclusion**: This option is correct.

4. **Evaluate the Third Option**:
- **Genital Papillae**: It is stated to be located on the ventral surface of the 17th to 19th segments.
- **Verification**: This is correct as genital papillae are indeed found on the ventral surface of the 17th to 19th segments.
- **Conclusion**: This option is correct.

5. **Evaluate the Fourth Option**:
- **Clitellum**: It is stated to be a layer of glandular tissue located from the 9th to 14th segment.
- **Verification**: This is incorrect. The clitellum is actually located from the 14th to 16th segment.
- **Conclusion**: This option is incorrect.

6. **Final Answer**: The wrong match is the fourth option regarding the clitellum.