In cockroach, stink gland is found in :

Options

A. 4th and 5th terga
B. 5th and 6th terga
C. 5th and 6th stern
D. 4th and 5th sterna

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks where the stink glands are located in a cockroach.

2. **Defining Stink Glands**: Stink glands are specialized glands that produce secretions with a strong odor, which play a role in attracting mates during the breeding season.

3. **Analyzing the Options**:
- **Option 1: 4th and 5th Terga**: This option is incorrect because the stink glands are not located here.
- **Option 2: 5th and 6th Terga**: This option is correct. The stink glands are located between the 5th and 6th terga, forming pouches that secrete the stinky substance.
- **Option 3: 5th and 6th Terga**: This option is incorrectly stated as the same as option 2 but is phrased differently. However, it is still incorrect as it does not specify the correct location.
- **Option 4: 4th and 5th Terga**: This option is also incorrect for the same reason as option 1.

4. **Conclusion**: The correct answer is **Option 2: 5th and 6th Terga**.