The chemical produced by female cockroach for chemocommunication is 

Options

A. hormone
B. enzyme
C. pheromone
D. none

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the chemical produced by female cockroaches that is used for chemocommunication. Chemocommunication refers to the use of chemical signals to communicate with others of the same species.

2. **Identifying the Organism**: The organism in question is the female cockroach, which is part of the class Insecta within the phylum Arthropoda.

3. **Recognizing the Type of Chemical**: Female cockroaches produce a specific type of chemical known as pheromones. Pheromones are chemical substances secreted by an organism that influence the behavior or physiology of others of the same species.

4. **Function of the Chemical**: The primary function of the pheromones produced by female cockroaches is to attract males for mating. This is a form of long-distance attraction.

5. **Conclusion**: The chemical produced by female cockroaches for chemocommunication is called "pheromone."

**Final Answer**: Pheromone

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