Which of the following is an example of a non-chemical pest control method?

Mechanical traps are a prime example of a non-chemical pest control method. These traps utilize physical mechanisms to capture or kill pests without the use of chemical agents. They can target specific pests, thus reducing the reliance on chemical pesticides and minimizing environmental impact. Mechanical traps are often used in various settings, including homes and agricultural fields, to control pest populations effectively while being safer for non-target organisms and the environment.

Other options, such as chemical fumigation, soil sterilization, and synthetic repellents, involve the use of chemical substances to manage pest populations. These methods, while potentially effective, do not align with non-chemical approaches to pest management. The choice of mechanical traps represents an environmentally friendly strategy that can help maintain pest control while promoting sustainability.