Wyoming Pesticide Applicator Certification Practice Test

Which term describes an undesirable organism that injures or harms humans, desirable plants or animals, manufactured products, or natural products?

1. A pesticide formulation before it is diluted

2. A plant that lives for more than two years

3. An undesirable organism that injures or harms humans

4. The downward movement of water through soil

The correct answer is: An undesirable organism that injures or harms humans

The correct answer is C: An undesirable organism that injures or harms humans. This term describes pests, which can include insects, weeds, plant diseases, rodents, and other organisms that can cause harm or damage to humans, desirable plants or animals, manufactured products, or natural products. Pest management strategies, including the use of pesticides, aim to control or eliminate these harmful organisms to protect human health, agriculture, and the environment. Options A, B, and D do not accurately describe the concept of pests or the definition provided in the question.