Question

which of the following is an example of a biological pest control method? introducing natural enemies of pests pre - emergent herbicide application cultivating between rows crop rotation

Explanation:

Biological pest control uses living organisms (like natural enemies of pests) to manage pests. Pre - emergent herbicide application is a chemical method. Cultivating between rows is a mechanical method. Crop rotation is an agricultural practice for pest and soil management. Introducing natural enemies of pests is a biological approach as it uses living organisms (the natural enemies) to control pests.

Answer:

Introducing natural enemies of pests