Washington Pesticide Laws and Safety Practice Test 2025 - Free Pesticide Laws Practice Questions and Safety Study Guide

Surfactants play an essential role in pesticide applications by altering the properties of spray droplets. They can improve the contact and penetration of pesticides on plant surfaces, increasing their effectiveness. Option A is incorrect because surfactants are not meant to directly kill pests, but rather to assist in the application process. Option C is also incorrect because while surfactants do decrease the surface tension of water, it is not their primary purpose in pesticide applications. Option D is also incorrect because surfactants do not specifically target weeds, but rather assist in the overall application of pesticides.