Functional & structural unit of kidney is `-`

Options

A. Nephron
B. Seminiferous tubule
C. Acini
D. None

Answer

**Step-by-Step Solution:**

1. **Understanding the Question:** The question asks for the functional and structural unit of the kidney.

2. **Identifying the Options:** The options provided are:
- Nephron
- Seminiferous tubule
- Acini
- None

3. **Analyzing Each Option:**
- **Nephron:** The nephron is the basic structural and functional unit of the kidney. Its primary functions include purifying the blood, reabsorbing water, and forming urine.
- **Seminiferous tubule:** This structure is found in the testes and is responsible for sperm production, not related to kidney function.
- **Acini:** Acini are clusters of cells found in glands, such as the pancreas, but they do not relate to kidney function.
- **None:** This option suggests that none of the provided answers are correct, which is not the case here.

4. **Conclusion:** Based on the analysis, the nephron is identified as the functional and structural unit of the kidney.

5. **Final Answer:** The functional and structural unit of the kidney is **Nephron**.

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