Nebraska Pesticide Applicator License Exam
2026 – Complete Study Guide | 100 Verified
Practice Questions with Rationales | Private &
Commercial Core Prep
Batch 1: Nebraska Regulations, Safety, & Environment
(Questions 1-50)
1. Which Nebraska state agency has the primary authority to enforce the Federal
Insecticide, Fungicide, and Rodenticide Act (FIFRA)?
A) UNL Extension
B) Environmental Protection Agency (EPA)
C) Nebraska Department of Agriculture (NDA)
D) Nebraska Department of Environment and Energy (NDEE)
C) Nebraska Department of Agriculture (NDA)
Explanation: While FIFRA is federal, the NDA is the lead agency for pesticide
regulation and enforcement within Nebraska.
2. Under the Nebraska Pesticide Act, a "Commercial Applicator" license is required if you
apply:
A) General-use pesticides to your own corn field.
B) Any pesticide to the property of another for hire.
C) Pesticides to your own lawn.
D) Restricted-use pesticides to your employer’s property only.
B) Any pesticide to the property of another for hire.
Explanation: If you are paid to apply pesticides on someone else's land, you must hold
a Commercial license.
3. What is the specific expiration date for all pesticide applicator licenses in the state of
Nebraska?
A) December 31st
B) January 1st
C) April 15th
, D) June 30th
C) April 15th
Explanation: All licenses expire on April 15th of the third year of the licensing cycle.
4. Nebraska regulations state that a "Restricted Use Pesticide" (RUP) may only be
purchased by:
A) Anyone with a driver's license.
B) A certified and licensed applicator.
C) Any farm employee over age 18.
D) Anyone who has attended a safety meeting.
B) A certified and licensed applicator.
Explanation: Only those who have proven competency through certification can buy or
handle RUPs.
5. If a pesticide spill occurs in Nebraska that may reach groundwater, which agency must
be notified?
A) Nebraska State Patrol
B) NDEE (Nebraska Dept. of Environment and Energy)
C) Nebraska Department of Health
D) Local Fire Department
B) NDEE (Nebraska Dept. of Environment and Energy)
Explanation: The NDEE is responsible for environmental protection and spill response
coordination.
6. What is the "Restricted Entry Interval" (REI) found on a pesticide label?
A) The time you must wait before spraying again.
B) The time that must pass before people can enter a treated area without PPE.
C) The time it takes for the pesticide to freeze.
D) The time between the last spray and harvest.
B) The time that must pass before people can enter a treated area without PPE.
Explanation: The REI is a safety requirement designed to protect workers from residual
exposure.
7. Which "Signal Word" on a pesticide label indicates the product is "Moderately Toxic"?
A) CAUTION
B) WARNING
C) DANGER
D) POISON
B) WARNING
, Explanation: Caution = Slightly toxic; Warning = Moderately toxic; Danger = Highly
toxic.
8. "Acute Toxicity" refers to how poisonous a pesticide is after:
A) A single exposure.
B) Small doses over a long period.
C) Being stored in a hot shed.
D) Being mixed with water.
A) A single exposure.
Explanation: Acute toxicity is the immediate harm caused by one-time contact or
ingestion.
9. What is the most common way for pesticides to enter the human body during the mixing
process?
A) Inhalation
B) Swallowing
C) Dermal (Skin) absorption
D) Through the eyes
C) Dermal (Skin) absorption
Explanation: Splashing or spilling concentrated pesticides on the skin is the leading
cause of exposure.
10. Which soil condition in Nebraska poses the highest risk for pesticide "Leaching"?
A) Heavy clay with high organic matter.
B) Sandy soil with a high water table.
C) Compacted silty loam.
D) Dry, cracked soil in a drought.
B) Sandy soil with a high water table.
Explanation: Large pore spaces in sandy soil allow pesticides to move quickly
downward into groundwater.
11. "Non-Point Source" pollution in Nebraska typically comes from:
A) A single spill at a mix-load site.
B) Runoff from many fields across a wide area.
) A leaking storage tank.
D) Improper disposal at a landfill.
B) Runoff from many fields across a wide area.
Explanation: Non-point source pollution cannot be traced back to a single specific spot.
12. To minimize "Drift," an applicator should spray when the wind is:
A) 15-20 mph.
2026 – Complete Study Guide | 100 Verified
Practice Questions with Rationales | Private &
Commercial Core Prep
Batch 1: Nebraska Regulations, Safety, & Environment
(Questions 1-50)
1. Which Nebraska state agency has the primary authority to enforce the Federal
Insecticide, Fungicide, and Rodenticide Act (FIFRA)?
A) UNL Extension
B) Environmental Protection Agency (EPA)
C) Nebraska Department of Agriculture (NDA)
D) Nebraska Department of Environment and Energy (NDEE)
C) Nebraska Department of Agriculture (NDA)
Explanation: While FIFRA is federal, the NDA is the lead agency for pesticide
regulation and enforcement within Nebraska.
2. Under the Nebraska Pesticide Act, a "Commercial Applicator" license is required if you
apply:
A) General-use pesticides to your own corn field.
B) Any pesticide to the property of another for hire.
C) Pesticides to your own lawn.
D) Restricted-use pesticides to your employer’s property only.
B) Any pesticide to the property of another for hire.
Explanation: If you are paid to apply pesticides on someone else's land, you must hold
a Commercial license.
3. What is the specific expiration date for all pesticide applicator licenses in the state of
Nebraska?
A) December 31st
B) January 1st
C) April 15th
, D) June 30th
C) April 15th
Explanation: All licenses expire on April 15th of the third year of the licensing cycle.
4. Nebraska regulations state that a "Restricted Use Pesticide" (RUP) may only be
purchased by:
A) Anyone with a driver's license.
B) A certified and licensed applicator.
C) Any farm employee over age 18.
D) Anyone who has attended a safety meeting.
B) A certified and licensed applicator.
Explanation: Only those who have proven competency through certification can buy or
handle RUPs.
5. If a pesticide spill occurs in Nebraska that may reach groundwater, which agency must
be notified?
A) Nebraska State Patrol
B) NDEE (Nebraska Dept. of Environment and Energy)
C) Nebraska Department of Health
D) Local Fire Department
B) NDEE (Nebraska Dept. of Environment and Energy)
Explanation: The NDEE is responsible for environmental protection and spill response
coordination.
6. What is the "Restricted Entry Interval" (REI) found on a pesticide label?
A) The time you must wait before spraying again.
B) The time that must pass before people can enter a treated area without PPE.
C) The time it takes for the pesticide to freeze.
D) The time between the last spray and harvest.
B) The time that must pass before people can enter a treated area without PPE.
Explanation: The REI is a safety requirement designed to protect workers from residual
exposure.
7. Which "Signal Word" on a pesticide label indicates the product is "Moderately Toxic"?
A) CAUTION
B) WARNING
C) DANGER
D) POISON
B) WARNING
, Explanation: Caution = Slightly toxic; Warning = Moderately toxic; Danger = Highly
toxic.
8. "Acute Toxicity" refers to how poisonous a pesticide is after:
A) A single exposure.
B) Small doses over a long period.
C) Being stored in a hot shed.
D) Being mixed with water.
A) A single exposure.
Explanation: Acute toxicity is the immediate harm caused by one-time contact or
ingestion.
9. What is the most common way for pesticides to enter the human body during the mixing
process?
A) Inhalation
B) Swallowing
C) Dermal (Skin) absorption
D) Through the eyes
C) Dermal (Skin) absorption
Explanation: Splashing or spilling concentrated pesticides on the skin is the leading
cause of exposure.
10. Which soil condition in Nebraska poses the highest risk for pesticide "Leaching"?
A) Heavy clay with high organic matter.
B) Sandy soil with a high water table.
C) Compacted silty loam.
D) Dry, cracked soil in a drought.
B) Sandy soil with a high water table.
Explanation: Large pore spaces in sandy soil allow pesticides to move quickly
downward into groundwater.
11. "Non-Point Source" pollution in Nebraska typically comes from:
A) A single spill at a mix-load site.
B) Runoff from many fields across a wide area.
) A leaking storage tank.
D) Improper disposal at a landfill.
B) Runoff from many fields across a wide area.
Explanation: Non-point source pollution cannot be traced back to a single specific spot.
12. To minimize "Drift," an applicator should spray when the wind is:
A) 15-20 mph.
