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Practice Test 4 (50 questions)

Answer all 50, then check your score. Aim for 70% or higher.

1. The label's first aid section may include a "Note to Physician." This is intended for:

Answer: D. The Note to Physician gives medical staff technical treatment information.

2. The Spanish word that must appear with DANGER-POISON on highly toxic product labels is:

Answer: C. Highly toxic products show PELIGRO along with DANGER and POISON in red and the skull and crossbones.

3. Why is mixing and loading pesticide concentrates considered one of the highest-exposure tasks?

Answer: D. Concentrates are more toxic per volume, and mixing and loading involves pouring and splashing. Labels often require extra PPE such as an apron and face shield.

4. Why is it important to protect pesticides from freezing or extreme heat during storage?

Answer: A. Follow label storage temperatures. Extremes can separate formulations or break containers.

5. Never clean a clogged nozzle tip by:

Answer: C. Blowing through a nozzle risks oral exposure. Use a soft brush or tool.

6. Emulsifiable concentrates (EC) may be:

Answer: D. ECs contain solvents that improve skin absorption and may injure some plants.

7. A weed identified as a "broadleaf" is generally controlled with:

Answer: A. Match the product to the pest group and site listed on the label.

8. Antagonism between two tank-mixed products means:

Answer: C. Antagonism reduces effectiveness. Check labels for compatibility and known antagonism.

9. When wind blows toward a sensitive area, the applicator should:

Answer: A. Check wind direction relative to sensitive areas before and during application.

10. When a label requires a buffer zone from water or sensitive areas, you must:

Answer: D. Buffer requirements are mandatory label directions.

11. Perennial weeds are often hard to control because:

Answer: D. Underground structures let perennials survive treatments that only burn down top growth.

12. Microbial degradation of pesticides in soil is generally FASTEST when soils are:

Answer: D. Microbes are most active in warm, moist, aerated soils with organic matter.

13. An electronic rate controller on a sprayer:

Answer: D. Rate controllers help keep output constant but still need regular calibration and checks.

14. The WPS "application exclusion zone" (AEZ) is:

Answer: C. The AEZ moves with the equipment during certain applications. Handlers must suspend application if someone is in it.

15. A commercial applicator generally:

Answer: C. Commercial applicators include for-hire and many public or institutional applicators using RUPs.

16. Absorbent materials used to clean up a liquid pesticide spill should be:

Answer: C. Contaminated absorbents are pesticide waste and must be handled properly.

17. Space treatments or fogging indoors require:

Answer: C. Space treatments disperse pesticide into the air. Labels specify occupancy and ventilation requirements.

18. Microencapsulated formulations:

Answer: D. Microencapsulation can extend residual activity and reduce some handler exposure, but capsules may be picked up by bees.

19. Antimicrobial products that claim to kill germs on surfaces (disinfectants) are:

Answer: C. Antimicrobials that make pesticidal claims are pesticides under FIFRA.

20. Nozzle spacing and boom height should be set so that:

Answer: B. Correct height and spacing give the intended overlap and uniform distribution.

21. Residual pesticides:

Answer: D. Residual activity continues controlling pests after application. Consider non-target and residue impacts.

22. Using an impermeable mixing/loading pad with containment helps:

Answer: C. Containment pads prevent point-source contamination at mix and load sites.

23. A granular product contains 2% active ingredient. How much product is needed to apply 1 lb of active ingredient per acre?

Answer: D. 1 / 0.02 = 50 lb of product per acre.

24. Aerial applications of restricted-use pesticides require:

Answer: C. 40 CFR 171 established an aerial category. Pilots applying RUPs need that certification in addition to FAA requirements.

25. A decontamination site for handlers should include:

Answer: C. Handlers need decontamination supplies nearby to wash off pesticides quickly.

26. Secondary poisoning refers to:

Answer: B. Rodenticides, for example, can poison hawks, owls, or pets that eat poisoned rodents.

27. Pesticide carryover refers to:

Answer: C. Persistent herbicides can carry over and injure rotational crops. Follow label rotation intervals.

28. Pesticides applied directly to or near water may be regulated under the Clean Water Act through:

Answer: C. Point-source discharges of pesticides to U.S. waters may require NPDES permit coverage.

29. Why is knowing a pest's life cycle important for control?

Answer: A. Target the most vulnerable stage, such as young larvae or seedlings.

30. The "Agricultural Use Requirements" box on WPS-covered labels typically contains:

Answer: C. The box refers to the Worker Protection Standard and states the REI and early-entry PPE.

31. A "directed spray under the crop canopy" helps to:

Answer: C. Directed sprays target weeds at the base and protect the crop.

32. "Precautionary statements" on a label include:

Answer: C. Precautionary statements cover human, environmental, and physical or chemical (for example, flammability) hazards.

33. An EPA Establishment Number identifies:

Answer: A. The establishment number identifies the producing facility and helps trace product problems.

34. Why can completely calm air (0 mph) be a problem for spraying?

Answer: C. Very still air, especially at dawn and dusk, can mean an inversion, which increases drift risk. Follow label wind directions.

35. Organic vapor cartridges should be replaced:

Answer: D. Cartridges have limited capacity. Follow replacement schedules and replace immediately on breakthrough.

36. "Other ingredients" (inert ingredients) in a pesticide product:

Answer: B. Inert ingredients aren't pesticidally active but may still be hazardous (for example, petroleum solvents in ECs).

37. Hoses and fittings on a sprayer should be:

Answer: D. Worn hoses can burst and cause exposure and spills.

38. Pesticide dealers who sell restricted-use pesticides are generally required to:

Answer: D. RUP dealers must sell only to certified applicators (or as otherwise allowed) and keep records.

39. Suppression as a pest management goal means:

Answer: C. Suppression reduces numbers or damage below an acceptable level.

40. You need a 2% solution (by volume) in a 3-gallon sprayer. About how much product do you add? (1 gal = 128 fl oz)

Answer: D. 3 gal = 384 fl oz. 384 x 0.02 = 7.68, about 7.7 fl oz of product, then fill to 3 gallons.

41. A desiccant is a pesticide that:

Answer: A. Desiccants dry plant tissue, for example to aid harvest.

42. A person giving first aid to a pesticide victim should first:

Answer: B. Rescuers must avoid becoming victims too. Use protective gear when handling contaminated people or clothing.

43. Which is the correct response if the weather changes during an application and drift becomes likely?

Answer: C. Stop when conditions exceed label limits or drift risk rises.

44. A product registered under a FIFRA Section 18 emergency exemption:

Answer: D. Section 18 exemptions are temporary and limited to the circumstances and areas the EPA approves.

45. Why should applicators avoid making claims that a pesticide application will "guarantee" no pests?

Answer: B. Accurate claims protect customers and the business.

46. The Safety Data Sheet (SDS) for a pesticide provides:

Answer: C. SDSs supplement the label with hazard and emergency details, but the label remains the legal use document.

47. Which task is the supervising applicator's responsibility before a noncertified applicator begins?

Answer: D. Equipment inspection and calibration are part of the supervisor's duties.

48. Keeping current with label changes is important because:

Answer: C. Always read the label on the product you are using. Directions and restrictions can change.

49. A pesticide that repels rather than kills pests is a:

Answer: B. Repellents keep pests away and are regulated as pesticides.

50. Training records for supervised noncertified applicators are important because:

Answer: D. Regulators may inspect training records to verify qualified supervision.
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