Indiana Pesticide Applicator Core Practice Exam

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Which pest control approach is characterized as biological?

Using chemicals to eliminate pests.
Introducing natural predators to manage pest populations.
Employing traps and barriers to physically exclude pests.
Utilizing cultural practices to reduce pest habitats.

The correct answer is: Introducing natural predators to manage pest populations.

The biological pest control approach is characterized by the method of introducing natural predators to manage pest populations. This strategy aligns with the principles of biological control, where specific organisms are utilized to suppress pest species, thereby maintaining a balance in the ecosystem. By incorporating natural enemies, such as insects, bacteria, or fungi that prey on or harm pests, this method aims to control pest populations in a sustainable manner. This approach is seen as environmentally friendly and can reduce the reliance on synthetic chemicals, minimizing potential risks to human health and non-target species. Additionally, by fostering a more natural pest management system, it encourages biodiversity and the health of the ecosystem. In contrast, the other options reflect methods that do not fit within the biological control category: using chemicals pertains to chemical control, employing traps and barriers relates to mechanical control, and utilizing cultural practices addresses preventive measures rather than biological interactions.