Prostate glands in earthworm are present in segments -

Options

A. 16 to 25
B. 17 to 20
C. 20-25
D. 25 - 30

Answer

To determine the segments in which the prostate glands of earthworms are located, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Anatomy of Earthworms**: Earthworms are segmented animals, meaning their body is divided into multiple segments, each having specific structures and functions.

2. **Identify the Prostate Glands**: Prostate glands in earthworms are reproductive glands that play a role in the reproductive process. They are typically paired and have a distinctive appearance.

3. **Locate the Segments**: According to the information available, prostate glands are located on either side of the elementary canal in earthworms.

4. **Determine the Segment Range**: The prostate glands in earthworms are specifically found in segments 17 to 21. However, the question asks for the range that includes the prostate glands, which is from segment 17 to segment 20.

5. **Select the Correct Option**: Based on the segment range identified, the correct answer to the question is option B, which states that the prostate glands are present in segments 17 to 20.

### Final Answer:
The prostate glands in earthworms are present in segments 17 to 20.

---