In female cockroach, ootheca is secreted by

Answer

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks about the structure responsible for the secretion of ootheca in female cockroaches.

2. **Identify the Ootheca**: Ootheca is a protective casing that contains the eggs of cockroaches. It is an important reproductive structure.

3. **Locate the Glands**: In female cockroaches, the ootheca is secreted by specific glands.

4. **Identify the Glands**: The glands responsible for the secretion of ootheca in female cockroaches are known as the **collateral glands**.

5. **Explain the Role of the Glands**: The collateral glands produce the ootheca, which encases the eggs. This secretion is crucial for protecting the eggs until they hatch.

6. **Conclude the Answer**: Therefore, the answer to the question is that the ootheca is secreted by the **collateral glands** in female cockroaches.

**Final Answer**: The ootheca in female cockroaches is secreted by the **collateral glands**.

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