IOWA CORE MANUAL CERTIFICATION EXAM
PAPER 2026 FULL QUESTIONS AND
SOLUTIONS 100% CORRECT
◉ increases. Answer: The presence of sandy soil and a high water
table _______ the potential risk of groundwater contamination.
◉ Surround the spill with containment snakes or pillows.. Answer:
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.
◉ 3. Answer: Commercial pesticide applicators must be recertified
every _____ years in Iowa.
◉ Leaching. Answer: What is the term for the downward movement
of pesticides in the soil?
◉ Flowable. Answer: 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?
,◉ Drop spreaders drop granules by gravity below the food-gate
opening. Answer: 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
◉ Attend an approved continuing instructions course each of the 3
years. Answer: 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
◉ Induce vomiting only if the label instructs to do so. Answer: 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
◉ Soluble powders. Answer: Which of the following formulations
dissolves in water?
A. Emulsifiable concentrates
B. Soluble powders
C. Water-dispersible granules
D. Wettable powders
◉ Tank mix. Answer: What is the term for the combination and
application of two or more pesticides and/or fertilizers?
◉ Warm air temperature, low relative humidity. Answer: 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
PAPER 2026 FULL QUESTIONS AND
SOLUTIONS 100% CORRECT
◉ increases. Answer: The presence of sandy soil and a high water
table _______ the potential risk of groundwater contamination.
◉ Surround the spill with containment snakes or pillows.. Answer:
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.
◉ 3. Answer: Commercial pesticide applicators must be recertified
every _____ years in Iowa.
◉ Leaching. Answer: What is the term for the downward movement
of pesticides in the soil?
◉ Flowable. Answer: 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?
,◉ Drop spreaders drop granules by gravity below the food-gate
opening. Answer: 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
◉ Attend an approved continuing instructions course each of the 3
years. Answer: 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
◉ Induce vomiting only if the label instructs to do so. Answer: 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
◉ Soluble powders. Answer: Which of the following formulations
dissolves in water?
A. Emulsifiable concentrates
B. Soluble powders
C. Water-dispersible granules
D. Wettable powders
◉ Tank mix. Answer: What is the term for the combination and
application of two or more pesticides and/or fertilizers?
◉ Warm air temperature, low relative humidity. Answer: 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
