In cockroach, the cuticular lining of trachea is called

Options

A. intima
B. serosa
C. articular membrane
D. peritoneum

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the name of the cuticular lining of the trachea in cockroaches.

2. **Identifying the Trachea**: The trachea is part of the respiratory system in cockroaches. It is a network of tubules that facilitate gas exchange.

3. **Function of the Trachea**: The trachea helps in the exchange of gases, allowing oxygen to be supplied to the body cells of the cockroach.

4. **Structure of the Trachea**: The trachea branches into thinner tubes known as tracheoles, which further assist in delivering oxygen to all body cells.

5. **Cuticular Lining**: The cuticular lining of the trachea is a protective layer. In cockroaches, this cuticular lining is specifically referred to as "intima."

6. **Additional Information**: The trachea opens to the outside environment through structures called spiracles, which are present in ten pairs. The trachea may also have modifications, such as chitinous rings, which provide structural support.

7. **Final Answer**: Therefore, the cuticular lining of the trachea in cockroaches is called **intima**.