Iowa Core Manual Exam Questions and
Answers (Latest update 2024)
If you are mixing a product that has a Section 18 emergency exemption in addition to
the label on the product, what do you use for instructions on how to mix the product? -
ANSWER Section 18 label
The presence of sandy soil and a high water table _______ the potential risk of
groundwater contamination. - ANSWER increases
What should you do to contain a small pesticide spill?
A. Surround the spill with containment snakes or pillows.
B. Hose down the spill to dilute it.
C. Ignore it and continue working
D. Spread liquid detergent over the entire spill. - ANSWER Surround the spill with
containment snakes or pillows.
Commercial pesticide applicators must be recertified every _____ years in Iowa. -
ANSWER 3
What is the term for the downward movement of pesticides in the soil? - ANSWER
Leaching
What is the formulation that consists of active ingredients placed on a carrier such as
clay and then suspended in a small amount of liquid? - ANSWER Flowable
Which of the following statements about granular applicators is true?
A. Drop spreaders drop granules by gravity below the food-gate opening
B. Drop spreaders are popular for broadcast application over large areas
C. Granular applicators should be recalibrated whenever the temperature changes
D. Rotary spreaders are best used along hard surfaces - ANSWER Drop spreaders
drop granules by gravity below the food-gate opening
Which of the following attendance patterns is required for commercial recertification in
Iowa IF the applicator chooses to recertify without retesting?
A. Attend an approved continuing instruction course sometime during the 3 years
B. Attend an approved continuing instructions course each of the 3 years
C. Attend an extension field day each year
D. All applicators MUST recertify by testing - ANSWER Attend an approved continuing
instructions course each of the 3 years
What should you do if a pesticide has been swallowed?
A. Induce vomiting only if the label instructs to do so
B. Rinse the mouth with plenty of water
C. Induce vomiting if an emulsifiable concentrate has been swallowed
, D. Keep the person's chin up to ensure open air passages - ANSWER Induce vomiting
only if the label instructs to do so
Which of the following formulations dissolves in water?
A. Emulsifiable concentrates
B. Soluble powders
C. Water-dispersible granules
D. Wettable powders - ANSWER Soluble powders
What is the term for the combination and application of two or more pesticides and/or
fertilizers? - ANSWER Tank mix
Which of the following conditions are most favorable for the volatilization to occur?
A. Cool air temperature, low relative humidity
B. Cool air temperature, high relative humidity
C. Warm air temperature, low relative humidity
D. Warm air temperature, high relative humidity - ANSWER Warm air temperature, low
relative humidity
Which of the following describes plant injury resulting from a pesticide application to
plant?
A. Bioaccumulation
B. Phytotoxicity
C. Residual
D. Systemic - ANSWER Phytotoxicity
What is the best way to dispose of pesticide rinsates?
A. Apply it to other labeled area
B. Dispose it at a pesticide disposal site
C. Apply it over an impermeable surface
D. Save it and combine with other rinsates - ANSWER Apply it to other labeled area
Which of the following keeps wettable powders in suspension?
A. Agitator
B. Filter
C. Pressure gauge
D. Pump - ANSWER Agitator
Where on the pesticide label are the directions for mixing usually found? - ANSWER
Directions for Use
What item on a pesticide label identifies it as a federally registered and approved
product? - ANSWER EPA registration number
Answers (Latest update 2024)
If you are mixing a product that has a Section 18 emergency exemption in addition to
the label on the product, what do you use for instructions on how to mix the product? -
ANSWER Section 18 label
The presence of sandy soil and a high water table _______ the potential risk of
groundwater contamination. - ANSWER increases
What should you do to contain a small pesticide spill?
A. Surround the spill with containment snakes or pillows.
B. Hose down the spill to dilute it.
C. Ignore it and continue working
D. Spread liquid detergent over the entire spill. - ANSWER Surround the spill with
containment snakes or pillows.
Commercial pesticide applicators must be recertified every _____ years in Iowa. -
ANSWER 3
What is the term for the downward movement of pesticides in the soil? - ANSWER
Leaching
What is the formulation that consists of active ingredients placed on a carrier such as
clay and then suspended in a small amount of liquid? - ANSWER Flowable
Which of the following statements about granular applicators is true?
A. Drop spreaders drop granules by gravity below the food-gate opening
B. Drop spreaders are popular for broadcast application over large areas
C. Granular applicators should be recalibrated whenever the temperature changes
D. Rotary spreaders are best used along hard surfaces - ANSWER Drop spreaders
drop granules by gravity below the food-gate opening
Which of the following attendance patterns is required for commercial recertification in
Iowa IF the applicator chooses to recertify without retesting?
A. Attend an approved continuing instruction course sometime during the 3 years
B. Attend an approved continuing instructions course each of the 3 years
C. Attend an extension field day each year
D. All applicators MUST recertify by testing - ANSWER Attend an approved continuing
instructions course each of the 3 years
What should you do if a pesticide has been swallowed?
A. Induce vomiting only if the label instructs to do so
B. Rinse the mouth with plenty of water
C. Induce vomiting if an emulsifiable concentrate has been swallowed
, D. Keep the person's chin up to ensure open air passages - ANSWER Induce vomiting
only if the label instructs to do so
Which of the following formulations dissolves in water?
A. Emulsifiable concentrates
B. Soluble powders
C. Water-dispersible granules
D. Wettable powders - ANSWER Soluble powders
What is the term for the combination and application of two or more pesticides and/or
fertilizers? - ANSWER Tank mix
Which of the following conditions are most favorable for the volatilization to occur?
A. Cool air temperature, low relative humidity
B. Cool air temperature, high relative humidity
C. Warm air temperature, low relative humidity
D. Warm air temperature, high relative humidity - ANSWER Warm air temperature, low
relative humidity
Which of the following describes plant injury resulting from a pesticide application to
plant?
A. Bioaccumulation
B. Phytotoxicity
C. Residual
D. Systemic - ANSWER Phytotoxicity
What is the best way to dispose of pesticide rinsates?
A. Apply it to other labeled area
B. Dispose it at a pesticide disposal site
C. Apply it over an impermeable surface
D. Save it and combine with other rinsates - ANSWER Apply it to other labeled area
Which of the following keeps wettable powders in suspension?
A. Agitator
B. Filter
C. Pressure gauge
D. Pump - ANSWER Agitator
Where on the pesticide label are the directions for mixing usually found? - ANSWER
Directions for Use
What item on a pesticide label identifies it as a federally registered and approved
product? - ANSWER EPA registration number
