Wyoming Pesticide Applicator Certification Practice Test

Which type of pesticide is more likely to move with water in surface runoff or through the soil?

1. Insoluble pesticides

2. Oil-based pesticides

3. Granular pesticides

4. Soluble pesticides

The correct answer is: Soluble pesticides

Soluble pesticides are more likely to move with water in surface runoff or through the soil compared to the other pesticide types listed. This is because soluble pesticides are able to dissolve in water, making them easily transportable in water runoff or through the soil. Insoluble pesticides, on the other hand, do not dissolve in water and therefore are less likely to be carried with water. Oil-based pesticides are also less likely to move with water because they can form a barrier on the soil surface, preventing water from penetrating and carrying the pesticide. Granular pesticides tend to stay in the location where they are applied and do not easily dissolve in water. Therefore, soluble pesticides have a higher potential for water movement compared to the other pesticide types listed.