______________ gland helps in copulation by lubricating vagina and vulva.

Options

A. Bartholins
B. Mammary gland
C. Prostate gland
D. Bulboutheral gland

Answer

**Step-by-Step Solution:**

1. **Identify the Function of the Gland**: The question asks which gland helps in copulation by lubricating the vagina and vulva.

2. **Consider the Options**: The options provided include various glands: Bartholin's Gland, Memory Gland, Prostate Gland, and Bulbo-Eurethral Gland.

3. **Analyze Each Gland**:
- **Bartholin's Gland**: This gland is located in females and is primarily responsible for the lubrication of the vagina and vulva, facilitating copulation.
- **Memory Gland**: This gland is associated with lactation and is not involved in lubrication during copulation.
- **Prostate Gland**: This gland is found in males and contributes to the secretion of fluids that nourish and transport sperm, but it does not lubricate the vagina or vulva.
- **Bulbo-Eurethral Gland**: While this gland does produce a lubricating fluid, it is primarily associated with the male reproductive system.

4. **Conclusion**: Based on the analysis, the gland that specifically helps in lubricating the vagina and vulva during copulation is the **Bartholin's Gland**.

5. **Final Answer**: Bartholin's Gland.

---