The number of abdominal segments in male and female cockroach is
(a) 10, 10
(b) 9, 10
(c) 10, 11
(d) 8, 10

Options

A. 10, 10
B. 9, 10
C. 10, 11
D. 8, 10

Answer

To solve the question regarding the number of abdominal segments in male and female cockroaches, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks about the number of abdominal segments in male and female cockroaches. We need to identify the correct pair of numbers from the provided options.

2. **Identify the Options**: The options given are:
- (a) 10, 10
- (b) 9, 10
- (c) 10, 11
- (d) 8, 10

3. **Recall Basic Anatomy of Cockroaches**: It is essential to know the anatomy of cockroaches, particularly the structure of their abdomen. Both male and female cockroaches have a similar number of abdominal segments.

4. **Count the Abdominal Segments**: In cockroaches, the abdomen is made up of 10 segments. This is a fixed characteristic for both male and female cockroaches.

5. **Analyze Each Option**:
- Option (a) states 10 segments for both male and female, which aligns with the anatomical fact.
- Option (b) states 9 segments for males and 10 for females, which is incorrect.
- Option (c) states 10 segments for males and 11 for females, which is also incorrect.
- Option (d) states 8 segments for males and 10 for females, which is incorrect.

6. **Select the Correct Answer**: Since both male and female cockroaches have 10 abdominal segments, the correct answer is option (a) 10, 10.

### Final Answer:
The number of abdominal segments in male and female cockroach is (a) 10, 10.

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