IOWA CORE EXAM STUDY SHEET 2026
UPDATED QUESTIONS AND SOLUTIONS
◉ In which section of the label can the required PPE be found?
A. Environmental hazards
B. Physical and chemical hazards
C. Precautionary statements
D. Storage and disposal
Answer: Precautionary statements
◉ Which statement is required on all pesticide labels?
Answer: Keep out of reach of children
◉ What is the main objective of calibration?
A. Ensure that all the parts of the sprayer are working properly
B. Determine the quantity of pesticide you need to apply
C. Ensure that the proper rate of chemical is applied to the target
area
D. Determine the time required to treat a specific area
Answer: Ensure that the proper rate of chemical is applied to the
target area
,◉ Which of the following is an additive that is added to a pesticide
mixture that helps the active ingredient do a better job?
A. Adjuvant
B. Emulsion
C. Desiccant
D. Diluant
Answer: Adjuvant
◉ What term refers to the surface movement of water away from the
treated site?
Answer: Runoff
◉ Which law requires employers to provide agricultural workers
and pesticide handlers with protection against possible harm from
pesticide exposure?
Answer: Worker Protection Standard
◉ What is the term for the amount of pesticide that stays on or in a
raw farm product or processed food?
Answer: Residue
◉ Which of the following is INCORRECT when laundering pesticide-
soiled clothing?
, A. Line-dry the clothes outdoors
B. Use a heavy-duty detergent
C. Use the longest wash cycle
D. Use a non-ionic surfactant in the wash water
Answer: Use a non-ionic surfactant in the wash water
◉ If a tank mix of Products A and B was applied and Product A has a
restricted entry interval of 12 hours and Product B has a restricted
entry interval of 18 hours, how long must a worker wait until going
back into the treated area if not wearing the appropriate PPE?
Answer: 18 hours
◉ What is a disadvantage of using an ultra low volume concentrate
formulation?
A. It is difficult to handle, transport, and store
B. Specialized equipment is required
C. The amount of visible residue on treated surfaces
D. It tends to plug screens and nozzles
Answer: Specialized equipment is required
◉ What is the term for the degree or extent to which a chemical or
substance is poisonous?
Answer: Toxicity
UPDATED QUESTIONS AND SOLUTIONS
◉ In which section of the label can the required PPE be found?
A. Environmental hazards
B. Physical and chemical hazards
C. Precautionary statements
D. Storage and disposal
Answer: Precautionary statements
◉ Which statement is required on all pesticide labels?
Answer: Keep out of reach of children
◉ What is the main objective of calibration?
A. Ensure that all the parts of the sprayer are working properly
B. Determine the quantity of pesticide you need to apply
C. Ensure that the proper rate of chemical is applied to the target
area
D. Determine the time required to treat a specific area
Answer: Ensure that the proper rate of chemical is applied to the
target area
,◉ Which of the following is an additive that is added to a pesticide
mixture that helps the active ingredient do a better job?
A. Adjuvant
B. Emulsion
C. Desiccant
D. Diluant
Answer: Adjuvant
◉ What term refers to the surface movement of water away from the
treated site?
Answer: Runoff
◉ Which law requires employers to provide agricultural workers
and pesticide handlers with protection against possible harm from
pesticide exposure?
Answer: Worker Protection Standard
◉ What is the term for the amount of pesticide that stays on or in a
raw farm product or processed food?
Answer: Residue
◉ Which of the following is INCORRECT when laundering pesticide-
soiled clothing?
, A. Line-dry the clothes outdoors
B. Use a heavy-duty detergent
C. Use the longest wash cycle
D. Use a non-ionic surfactant in the wash water
Answer: Use a non-ionic surfactant in the wash water
◉ If a tank mix of Products A and B was applied and Product A has a
restricted entry interval of 12 hours and Product B has a restricted
entry interval of 18 hours, how long must a worker wait until going
back into the treated area if not wearing the appropriate PPE?
Answer: 18 hours
◉ What is a disadvantage of using an ultra low volume concentrate
formulation?
A. It is difficult to handle, transport, and store
B. Specialized equipment is required
C. The amount of visible residue on treated surfaces
D. It tends to plug screens and nozzles
Answer: Specialized equipment is required
◉ What is the term for the degree or extent to which a chemical or
substance is poisonous?
Answer: Toxicity
