Seminiferous tubules occur in the

Options

A. liver
B. kidney
C. ovary
D. testis

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks where seminiferous tubules are located.

2. **Identifying the Options**: The options provided are:
- A) Liver
- B) Kidney
- C) Ovary
- D) Testis

3. **Defining Seminiferous Tubules**: Seminiferous tubules are structures found in the male reproductive system. They are responsible for the production of sperm.

4. **Locating the Seminiferous Tubules**:
- Seminiferous tubules are specifically located in the testis.
- Each testis contains approximately 250 compartments, known as testicular lobules, which house the seminiferous tubules.

5. **Function of Seminiferous Tubules**:
- The seminiferous tubules are highly coiled and serve as the functional units of the testes.
- They contain Sertoli cells, which provide nourishment to the developing sperm cells.

6. **Eliminating Incorrect Options**:
- A) Liver: Incorrect, as the liver does not contain seminiferous tubules.
- B) Kidney: Incorrect, as the kidney does not contain seminiferous tubules.
- C) Ovary: Incorrect, as the ovary is part of the female reproductive system and does not contain seminiferous tubules.
- D) Testis: Correct, as seminiferous tubules are located in the testis.

7. **Final Answer**: Therefore, the correct answer is D) Testis.

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