Oregon Licensing Exam Questions and
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What best defines an adjuvant?
Ans: An additive mixed with a pesticide to enhance its performance
What best describes the word solution?
Ans: Pesticide dissolved in the carrier and does not settle out
A restricted entry interval is
Ans: A waiting period during which a treated area cannot re-enter
without protective equipment
The change of a substance from a liquid state to a gaseous is called
Ans: Evaporation
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Which of the following is a pesticide? (Insecticide, Herbicide,
Fungicide)
Ans: ALL THE ABOVE
If an applicator wants to tank mix two different pesticides and
neither label prohibits it, how should the applicator proceed?
Ans: Mixing small amounts of the two pesticides in proportional labeled
rates in a jar test
A pesticide product which includes RTU in its trade name such as
Bug Kill RTU is intended to apply
Ans: As packaged, undiluted
Pesticides are used to:
a. Attract or repel insects
b. Control, destroy or prevent pest infestation
c. Regulate plant growth
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Ans: ALL THE ABOVE
Non-target plant injury due to pesticide is called
Ans: Phytotoxicity
What three steps in order should you take in a small pesticide spill?
Ans: Control, contain, and cleanup
A pesticide will move most quickly through a soil that is mostly
Ans: Sand
A pesticide _________ is the maximum level of pesticide residue
allowed in or on human food and animal food
Ans: Tolerance
Vapor drift can be minimized by