Wyoming Pesticide Applicator Certification Practice Test

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Study for the Wyoming Pesticide Applicator Certification Exam. Prepare with a variety of questions designed to test your knowledge of pesticide application, safety protocols, and regulations. Equip yourself with the tools you need to pass the exam and start your career in pesticide application!

Practice this question and more.


What is the term for the reduction of pesticide activity when two or more different pesticides are mixed together?

  1. Antibiotic

  2. Algae

  3. Antagonism

  4. Algaecide (Algicide)

The correct answer is: Antagonism

When two or more pesticides are combined, the combined activity of these pesticides may decrease, this is known as antagonism. It is important to consider this when using multiple pesticides to ensure their effectiveness. Antibiotics are used to treat bacterial infections and are not related to pesticides. Algae is a type of plant and not a term related to pesticide activity. Algaecide or algicide is a type of pesticide specifically used to eliminate algae. While it is a type of pesticide, it is not the term for the reduction of pesticide activity caused by mixing different pesticides together.