Which of the following is not an example of sex pheromone

Options

A. Bombicol
B. Muskone
C. Formic acid
D. Civetone

Answer

To determine which of the following is not an example of a sex pheromone, we need to first understand what sex pheromones are and then analyze the given options.

### Step-by-Step Solution:

1. **Understanding Pheromones**: Pheromones are chemical substances secreted by organisms that trigger social responses in members of the same species. They play a crucial role in communication, especially in mating behaviors.

2. **Defining Sex Pheromones**: Sex pheromones are a specific type of pheromone that are released to attract individuals of the opposite sex for mating purposes. These pheromones are crucial for reproduction in many species.

3. **Analyzing the Options**:
- **Option A: Bombicol** - This is a known sex pheromone produced by silkworms and moths to attract mates.
- **Option B: Muscon** - This is a sex pheromone found in musk deer, which is used to attract females.
- **Option C: Formic Acid** - This is a simple carboxylic acid found in ants. It is not a sex pheromone; rather, it functions more like a venom or a defensive chemical.
- **Option D: Civetone** - This is a sex pheromone produced by civet cats, used for attracting mates.

4. **Conclusion**: Based on the analysis, the only substance that is not a sex pheromone is **Formic Acid**. It serves a different biological function and is not involved in mating attraction.

5. **Final Answer**: The option that is not an example of a sex pheromone is **Formic Acid**.