The glands which open into the genital papillae in earthworm are

Options

A. Prostate glands
B. Albumin gland
C. Cowper's gland
D. Accessory glands

Answer

To answer the question about the glands that open into the genital papillae in earthworms, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the specific glands in earthworms that open into the genital papillae.

2. **Identifying the Glands**: In earthworms, there are several glands, but the focus is on those associated with the reproductive system.

3. **Locating the Genital Papillae**: The genital papillae are structures found on the earthworm, specifically located on the ventral side of the body.

4. **Recognizing the Relevant Segments**: The genital papillae are located in segments 17 and 19 of the earthworm.

5. **Identifying the Gland Type**: The accessory glands are the specific glands that open into the genital papillae. These glands are responsible for secreting substances that help in the reproductive process.

6. **Understanding the Function**: The secretion from the accessory glands plays a crucial role during copulation by helping to hold the two worms together.

7. **Conclusion**: Therefore, the glands that open into the genital papillae in earthworms are the **accessory glands**.

### Final Answer:
The glands which open into the genital papillae in earthworms are the **accessory glands**.

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