Peculiar pungent smell of Cockroach is secretion of

Options

A. Pheromones
B. Periplaneta
C. Dermal gland
D. Cervical glands.

Answer

To answer the question about the peculiar pungent smell of cockroaches, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Source of the Smell**: The question asks about the secretion responsible for the peculiar pungent smell of cockroaches. This smell is primarily produced by male cockroaches.

2. **Determine the Glands Involved**: The secretion that causes this smell comes from specific glands in the cockroach. In this case, the glands responsible are known as "sting glands."

3. **Locate the Glands**: The sting glands are located in the 5th and 6th abdominal segments of the cockroach.

4. **Understand the Function of the Glands**: These sting glands, also referred to as dermal glands, secrete substances that produce the characteristic pungent smell associated with cockroaches.

5. **Conclude the Answer**: Based on the information gathered, the peculiar pungent smell of cockroaches is a secretion of the dermal glands.

### Final Answer:
The peculiar pungent smell of cockroaches is a secretion of the **dermal glands**.

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