IOWA PESTICIDE TEST QUESTIONS
AND ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED
A+ NEWLY UPDATED 2025
Q1: What is the term for the downward movement of pesticides in the soil?
A. Runoff
B. Erosion
✔ C. Leaching
D. Drift
Explanation: Leaching is the process where pesticides move downward through
the soil, potentially reaching groundwater.
Q2: What is a disadvantage of using an ultra low volume (ULV) concentrate
formulation?
A. It is less effective on pests
✔ B. Specialized equipment is required
C. It is safe for all applicators
D. It is water-based
Explanation: ULV formulations require specialized equipment for proper
application due to their high concentration.
Q3: What is the term for the degree or extent to which a chemical or
substance is poisonous?
A. Exposure
✔ B. Toxicity
C. Volatility
D. Residue
Explanation: Toxicity refers to the harmful effects a substance can have on
living organisms.
,Q4: The risk of damage to nontarget plants from drift of volatile pesticides is
______________.
A. Lower in early morning
✔ B. Greater at high temperatures
C. Greater during rainfall
D. Lower during windy conditions
Explanation: High temperatures increase pesticide volatility, which increases
the risk of vapor drift.
Q5: Who may use a Restricted Use Pesticide (RUP)?
A. Any trained worker
B. Licensed farmer
✔ C. A certified pesticide applicator
D. Any commercial applicator
Explanation: Only certified pesticide applicators (or those under their
supervision) are legally allowed to use RUPs.
Q6: What is the term for unwanted contact with pesticides or pesticide
residues?
A. Drift
✔ B. Exposure
C. Infiltration
D. Volatility
Explanation: Exposure is any contact (skin, inhalation, ingestion, etc.) with
pesticides or their residues.
A pesticide label calls for a broadcast application using 2 pints of product per acre.
Your sprayer holds 375 gallons and is calibrated to apply 15 gallons of spray
mixture per acre. How much product is needed for each fill? - ANSWER✔✔50
pints (answer)
, Which of the following is an emergency exemption from registration that allows
for the sale and use of a pesticide for a non-registered purpose for a limited time? -
ANSWER✔✔Section 18 (answer)
Which of the following statements about PPE is true? - ANSWER✔✔You may
wear more PPE than the pesticide label lists (answer)
Why were the Iowa atrazine management rules put in place? - ANSWER✔✔To
minimize the pesticide's impact on ground and surface water (answer)
What type of pesticide moves from the site of absorption in a treated plant or
animal to other tissues? - ANSWER✔✔Systemic (answer)
Which of the following describes a systemic effect to a pesticide? -
ANSWER✔✔Nausea from spilling pesticides on your legs (answer)
What is the term for the minimum number of days allowed between the pesticide
application and harvest? - ANSWER✔✔Preharvest interval (answer)
What is the term that describes the harmful effects that occur from small, repeated
exposures to pesticides over a period of time? - ANSWER✔✔Chronic toxicity
(answer)
According to the Iowa Bee Rule, how far away must commercial applicators be
from registered apiaries when applying pesticides labeled as toxic to bees between
8 a.m. and 6 p.m.? - ANSWER✔✔1 mile (answer)
AND ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED
A+ NEWLY UPDATED 2025
Q1: What is the term for the downward movement of pesticides in the soil?
A. Runoff
B. Erosion
✔ C. Leaching
D. Drift
Explanation: Leaching is the process where pesticides move downward through
the soil, potentially reaching groundwater.
Q2: What is a disadvantage of using an ultra low volume (ULV) concentrate
formulation?
A. It is less effective on pests
✔ B. Specialized equipment is required
C. It is safe for all applicators
D. It is water-based
Explanation: ULV formulations require specialized equipment for proper
application due to their high concentration.
Q3: What is the term for the degree or extent to which a chemical or
substance is poisonous?
A. Exposure
✔ B. Toxicity
C. Volatility
D. Residue
Explanation: Toxicity refers to the harmful effects a substance can have on
living organisms.
,Q4: The risk of damage to nontarget plants from drift of volatile pesticides is
______________.
A. Lower in early morning
✔ B. Greater at high temperatures
C. Greater during rainfall
D. Lower during windy conditions
Explanation: High temperatures increase pesticide volatility, which increases
the risk of vapor drift.
Q5: Who may use a Restricted Use Pesticide (RUP)?
A. Any trained worker
B. Licensed farmer
✔ C. A certified pesticide applicator
D. Any commercial applicator
Explanation: Only certified pesticide applicators (or those under their
supervision) are legally allowed to use RUPs.
Q6: What is the term for unwanted contact with pesticides or pesticide
residues?
A. Drift
✔ B. Exposure
C. Infiltration
D. Volatility
Explanation: Exposure is any contact (skin, inhalation, ingestion, etc.) with
pesticides or their residues.
A pesticide label calls for a broadcast application using 2 pints of product per acre.
Your sprayer holds 375 gallons and is calibrated to apply 15 gallons of spray
mixture per acre. How much product is needed for each fill? - ANSWER✔✔50
pints (answer)
, Which of the following is an emergency exemption from registration that allows
for the sale and use of a pesticide for a non-registered purpose for a limited time? -
ANSWER✔✔Section 18 (answer)
Which of the following statements about PPE is true? - ANSWER✔✔You may
wear more PPE than the pesticide label lists (answer)
Why were the Iowa atrazine management rules put in place? - ANSWER✔✔To
minimize the pesticide's impact on ground and surface water (answer)
What type of pesticide moves from the site of absorption in a treated plant or
animal to other tissues? - ANSWER✔✔Systemic (answer)
Which of the following describes a systemic effect to a pesticide? -
ANSWER✔✔Nausea from spilling pesticides on your legs (answer)
What is the term for the minimum number of days allowed between the pesticide
application and harvest? - ANSWER✔✔Preharvest interval (answer)
What is the term that describes the harmful effects that occur from small, repeated
exposures to pesticides over a period of time? - ANSWER✔✔Chronic toxicity
(answer)
According to the Iowa Bee Rule, how far away must commercial applicators be
from registered apiaries when applying pesticides labeled as toxic to bees between
8 a.m. and 6 p.m.? - ANSWER✔✔1 mile (answer)
