Number of eggs in ootheca of cockroach is :

Options

A. 2
B. 6
C. 16
D. 22

Answer

To determine the number of eggs in the ootheca of a cockroach, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Ootheca**: The ootheca is a protective casing that contains the fertilized eggs of the cockroach. It is formed by secretions from the cockroach's reproductive glands.

2. **Formation of Ootheca**: The ootheca is produced in the oothecal chamber of the female cockroach. This chamber is specifically designed to hold the fertilized eggs until they are ready to hatch.

3. **Appearance of Ootheca**: The ootheca of a cockroach is typically dark in color, ranging from dark reddish to blackish brown. This coloration helps in identifying it.

4. **Counting the Eggs**: The ootheca contains a specific number of eggs. In the case of cockroaches, the ootheca contains **16 eggs**.

5. **Arrangement of Eggs**: The 16 eggs are arranged in two rows, with each row containing 8 eggs. This systematic arrangement is characteristic of the cockroach's reproductive strategy.

6. **Conclusion**: Based on the information gathered, the number of eggs in the ootheca of a cockroach is **16**.

### Final Answer:
The number of eggs in the ootheca of a cockroach is **16** (Option C).

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