The structure that is present in the `9^(th)` abdominal segment of cockroach is?

Options

A. anal styles in male.
B. anal ceric in female
C. anal style and antennae in female.
D. Both (A) and (C)

Answer

To solve the question regarding the structure present in the 9th abdominal segment of a cockroach, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Anatomy of Cockroach:**
- The cockroach's abdomen is divided into 10 segments. Each segment has specific structures and functions.

2. **Identify the Relevant Segments:**
- The question specifically asks about the 9th abdominal segment. It is important to know what structures are present in this segment.

3. **Examine Male and Female Differences:**
- In male cockroaches, the 9th abdominal segment contains unjointed paired structures known as anal styles.
- In female cockroaches, the 9th segment contains anal cerci instead.

4. **Determine the Correct Answer:**
- The question asks for the structure present in the 9th abdominal segment. Since the anal styles are present in males, the correct answer is option A: anal styles in male.

5. **Review Other Options:**
- Option B refers to anal cerci in females, which is not correct for the 9th segment in males.
- Option C mentions anal styles and antennae in females, which is also incorrect.
- Option D states both A and C, which is incorrect as only A is true.

### Final Answer:
The structure that is present in the 9th abdominal segment of a cockroach is **anal styles in male** (Option A).

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