Wyoming Pesticide Applicator Certification Practice Test

Which term describes the downward movement of water through soil?

1. A pesticide that remains active in the environment more than one growing season

2. An undesirable organism that injures or harms humans

3. The downward movement of water through soil

4. Devices and apparel worn to protect the body from contact with pesticides

The correct answer is: The downward movement of water through soil

The correct answer is C, "The downward movement of water through soil." This term describes the process of water moving vertically through the soil layers. This movement is important in agriculture as it affects how water, nutrients, and pesticides are distributed within the soil, which can impact plant growth and overall soil health. The other options provided in the question are not related to the downward movement of water through soil. Option A describes a persistent pesticide, option B refers to a harmful organism, and option D pertains to protective gear worn during pesticide application.