Ootheca in periplanata americana is secreted by

Options

A. Collaterial glands
B. Conglobate glands
C. Mushroom glands
D. Gynatrium

Explanation

**Step-by-Step Solution:**

1. **Identify the Subject of the Question:**
- The question refers to "Periplanata Americana," which is the scientific name for the American cockroach.

2. **Define Ootheca:**
- Ootheca is the term used to describe the egg mass produced by cockroaches. It contains the eggs laid by the female cockroach.

3. **Components of Ootheca:**
- The Ootheca is composed of proteins, enzymes, and catechol derivatives, which help in protecting the eggs.

4. **Identify the Glands Responsible for Secretion:**
- The question asks which glands secrete the Ootheca in Periplanata Americana. The options provided are:
- a) Collateral glands
- b) Conglobate glands
- c) Mushroom glands
- d) Gynadrome

5. **Determine the Correct Answer:**
- The correct answer is that the Ootheca is secreted by the **collateral glands**. This is the first option listed.

6. **Conclusion:**
- Therefore, the Ootheca in Periplanata Americana is secreted by the collateral glands.

**Final Answer:**
Ootheca in Periplanata Americana is secreted by **collateral glands**.

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