Oregon Licensing Exam UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS
What best defines an adjuvant? - Correct answers✔✔An additive mixed with a pesticide to
enhance its performance
What best describes the word solution? - Correct answers✔✔Pesticide dissolved in the carrier
and does not settle out
A restricted entry interval is - Correct answers✔✔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 - Correct
answers✔✔Evaporation
Which of the following is a pesticide? (Insecticide, Herbicide, Fungicide) - Correct
answers✔✔ALL THE ABOVE
If an applicator wants to tank mix two different pesticides and neither label prohibits it, how
should the applicator proceed? - Correct answers✔✔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 - Correct answers✔✔As packaged, undiluted
Pesticides are used to:
, a. Attract or repel insects
b. Control, destroy or prevent pest infestation
c. Regulate plant growth - Correct answers✔✔ALL THE ABOVE
Non-target plant injury due to pesticide is called - Correct answers✔✔Phytotoxicity
What three steps in order should you take in a small pesticide spill? - Correct
answers✔✔Control, contain, and cleanup
A pesticide will move most quickly through a soil that is mostly - Correct answers✔✔Sand
A pesticide _________ is the maximum level of pesticide residue allowed in or on human food
and animal food - Correct answers✔✔Tolerance
Vapor drift can be minimized by - Correct answers✔✔applying when wind conditions are calm
and temperatures low
Who is responsible to check if there are sensitive crops near an applicators site - Correct
answers✔✔The pesticide applicator
Pesticide ability to remain in active environment for an extended period before breaking down is
called - Correct answers✔✔Persistence
Pesticide contamination of water occurs most often when - Correct answers✔✔application
chemicals are loaded and equipment cleaned near water
ACTUAL QUESTIONS AND CORRECT
ANSWERS
What best defines an adjuvant? - Correct answers✔✔An additive mixed with a pesticide to
enhance its performance
What best describes the word solution? - Correct answers✔✔Pesticide dissolved in the carrier
and does not settle out
A restricted entry interval is - Correct answers✔✔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 - Correct
answers✔✔Evaporation
Which of the following is a pesticide? (Insecticide, Herbicide, Fungicide) - Correct
answers✔✔ALL THE ABOVE
If an applicator wants to tank mix two different pesticides and neither label prohibits it, how
should the applicator proceed? - Correct answers✔✔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 - Correct answers✔✔As packaged, undiluted
Pesticides are used to:
, a. Attract or repel insects
b. Control, destroy or prevent pest infestation
c. Regulate plant growth - Correct answers✔✔ALL THE ABOVE
Non-target plant injury due to pesticide is called - Correct answers✔✔Phytotoxicity
What three steps in order should you take in a small pesticide spill? - Correct
answers✔✔Control, contain, and cleanup
A pesticide will move most quickly through a soil that is mostly - Correct answers✔✔Sand
A pesticide _________ is the maximum level of pesticide residue allowed in or on human food
and animal food - Correct answers✔✔Tolerance
Vapor drift can be minimized by - Correct answers✔✔applying when wind conditions are calm
and temperatures low
Who is responsible to check if there are sensitive crops near an applicators site - Correct
answers✔✔The pesticide applicator
Pesticide ability to remain in active environment for an extended period before breaking down is
called - Correct answers✔✔Persistence
Pesticide contamination of water occurs most often when - Correct answers✔✔application
chemicals are loaded and equipment cleaned near water
