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Nebraska Pesticide License Practice Test (Free Core Exam Questions)

Preparing for the Nebraska pesticide applicator exam? In Nebraska, applicator certification and licensing are handled by the state pesticide regulatory agency, generally the Nebraska Department of Agriculture. Like every state, Nebraska requires applicators to show competency in the core (general standards) areas set out in federal rules: label comprehension, safety, environmental protection, pests, pesticides, equipment, application methods, laws, supervision, and professionalism. Most candidates also take a state laws section and one or more category exams.

Confirm current exam requirements, manuals, fees, and testing locations directly with the Nebraska Department of Agriculture. This site is unofficial and not affiliated with any Nebraska agency.

10 free Nebraska core exam practice questions

1. A pesticide that controls mites is called a(n):

Answer: C. Acaricides (miticides) target mites and ticks. Nematicides target nematodes, avicides birds, molluscicides slugs and snails.

2. Rinsate from cleaning a sprayer should be:

Answer: A. Rinsate is still pesticide. Apply it to a labeled site at or below the label rate, or manage it as the label and regulations allow.

3. A band application is:

Answer: D. Band treatments cover narrow strips, reducing the total pesticide used compared with broadcast treatment.

4. Pesticide tolerances (maximum legal residue levels on food) are set by:

Answer: C. The EPA sets tolerances. FDA and USDA monitor and enforce residue limits in food.

5. Use-specific instructions given to a noncertified applicator should include:

Answer: D. The supervisor must give instructions specific to the product and site, including label directions and precautions.

6. Product stewardship includes:

Answer: D. Stewardship means responsible handling from purchase through disposal to protect people and the environment.

7. A rectangular lawn is 100 feet by 250 feet. What is its area?

Answer: D. 100 x 250 = 25,000 square feet (about 0.57 acre).

8. Using a pesticide in a manner inconsistent with its labeling is:

Answer: C. FIFRA makes it unlawful to use a registered pesticide in a manner inconsistent with its labeling.

9. Chronic toxicity refers to effects from:

Answer: D. Acute effects come from a single exposure. Chronic effects come from repeated exposures over time.

10. A back-siphoning incident can contaminate a water source when:

Answer: D. Keep an air gap between the hose and the tank's liquid surface, or use an anti-backflow device, so mix can't be drawn back into the water source.
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How to study for the Nebraska core exam

  1. Get the core manual edition your state uses (many states are moving to the 2025 3rd edition national core manual during 2026) and any Nebraska law supplement.
  2. Take a timed practice test to find your weak areas.
  3. Re-read those chapters, then retest until you're consistently above passing.
  4. Memorize the high-yield facts: signal words, first aid, PPE rules, drift and inversions, and basic calibration math.

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