The total no.of oothecae produced are     

Options

A. 10-12
B. 9-10
C. 10-12
D. 10-14

Answer

To determine the total number of oothecae produced by a female cockroach, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Term Ootheca**: An ootheca is a egg case produced by cockroaches, which contains multiple eggs.

2. **Identify the Average Number of Oothecae**: Research indicates that a female cockroach typically produces around 9 to 10 oothecae during her lifetime.

3. **Determine the Number of Eggs per Ootheca**: Each ootheca generally contains about 14 to 16 eggs.

4. **Conclusion**: Based on the information, the total number of oothecae produced by a female cockroach is approximately 9 to 10.

5. **Select the Correct Option**: From the provided options, the correct answer is 9 to 10.

### Final Answer:
The total number of oothecae produced is **9 to 10**.