The environmental friendly method of killing harmful insects is through the use of

Options

A. Insecticides
B. Sex attractants
C. Sex hormones
D. Pesticides

Answer

**Step-by-Step Solution:**

1. **Identify the Problem**: The question asks for an environmentally friendly method of killing harmful insects.

2. **Consider Options**: Traditional methods of pest control often involve chemical pesticides, which can be harmful to the environment. Therefore, we need to look for alternative methods that are less harmful.

3. **Research Environmentally Friendly Methods**: One effective method of controlling insect populations without harming the environment is the use of biological control agents or pheromones.

4. **Define Sex Attractants**: Sex attractants are a type of pheromone, which are chemical substances secreted by animals to attract mates. In pest control, these pheromones can be used to lure male insects.

5. **Explain the Mechanism**: When male insects are attracted to these sex attractants, they can become entangled in a sticky trap designed to capture them. This method effectively reduces the population of harmful insects without the use of toxic chemicals.

6. **Conclude the Answer**: Therefore, the environmentally friendly method of killing harmful insects is through the use of sex attractants.

**Final Answer**: The environmental friendly method of killing harmful insects is through the use of **sex attractants**.

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