In Cockroach wall of each malpighian tubule is lined by …........and …........cells.

Options

A. Secretory and non-ciliated
B. Glandular and ciliated
C. Squamous and muscle
D. Striated and ciliated

Answer

To answer the question, "In Cockroach, the wall of each Malpighian tubule is lined by …........and …........cells," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Function of Malpighian Tubules**:
- Malpighian tubules are excretory structures in cockroaches that play a crucial role in the excretion of nitrogenous waste products.

2. **Identify the Types of Cells Lining the Tubules**:
- The wall of each Malpighian tubule is composed of specific types of cells that facilitate its function.

3. **Options Analysis**:
- The options provided are:
- A) Secretory and non-ciliated
- B) Glandular and ciliated
- C) Squamous and muscle
- D) Striated and ciliated

4. **Select the Correct Option**:
- The correct answer is **B) Glandular and ciliated**.
- Glandular cells are responsible for secretion, while ciliated cells help in the movement of substances within the tubule.

5. **Conclusion**:
- Therefore, the wall of each Malpighian tubule in a cockroach is lined by glandular and ciliated cells.

### Final Answer:
In Cockroach, the wall of each Malpighian tubule is lined by **glandular and ciliated** cells.

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