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NORTH CAROLINA PESTICIDE APPLICATORS PRACTICE EXAM (QUESTIONS AND CORRECT DETAILED ANSWE, Exams of Pest Management

North Carolina Central University (NCCU)Pest Management

NORTH CAROLINA PESTICIDE APPLICATORS PRACTICE EXAM (QUESTIONS AND CORRECT DETAILED ANSWERS 2025 (VERIFIED ANSWERS) with RATIONALES

Typology: Exams

2024/2025

Available from 06/19/2025

DrPrep
DrPrep 🇺🇸

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NORTH CAROLINA PESTICIDE APPLICATORS
PRACTICE EXAM (QUESTIONS AND CORRECT
DETAILED ANSWERS 2025 (VERIFIED ANSWERS)
with RATIONALES
1. What is the signal word on a pesticide label that indicates the product is
highly toxic by any route of entry?
• A. Caution
• B. Warning
• C. Danger
• D. Harmful
The signal word "Danger" indicates a highly toxic product and is often
accompanied by a skull and crossbones symbol.
2. What does a pesticide's LD50 value indicate?
• A. The number of days the chemical is effective
• B. The dose required to kill 50% of the test population
• C. The maximum safe dosage
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NORTH CAROLINA PESTICIDE APPLICATORS

PRACTICE EXAM (QUESTIONS AND CORRECT

DETAILED ANSWERS 2025 (VERIFIED ANSWERS)

with RATIONALES

  1. What is the signal word on a pesticide label that indicates the product is highly toxic by any route of entry?
  • A. Caution
  • B. Warning
  • C. Danger
  • D. Harmful The signal word "Danger" indicates a highly toxic product and is often accompanied by a skull and crossbones symbol.
  1. What does a pesticide's LD50 value indicate?
  • A. The number of days the chemical is effective
  • B. The dose required to kill 50% of the test population
  • C. The maximum safe dosage
  • D. The rate of environmental breakdown LD50 refers to the lethal dose required to kill 50% of test animals, indicating the toxicity level.
  1. Which of the following is NOT a method of pesticide exposure?
  • A. Inhalation
  • B. Dermal absorption
  • C. Reflection
  • D. Ingestion "Reflection" is not a route of pesticide exposure; the primary routes are inhalation, dermal, and oral.
  1. What is the most common route of pesticide exposure for applicators?
  • A. Oral
  • B. Inhalation
  • C. Dermal
  • D. Ocular Most pesticide exposure occurs through the skin, especially hands and forearms.
  1. Which type of pesticide formulation presents the highest risk of dermal absorption?
  • A. Dusts
  • B. Granules
  • C. Emulsifiable concentrates
  • D. Labels are outdated once registered It is a violation of federal law to use a pesticide inconsistent with its labeling.
  1. What is the purpose of a re-entry interval (REI)?
  • A. To measure pesticide effectiveness
  • B. To protect workers from exposure after application
  • C. To ensure pests do not return
  • D. To allow residue to form REIs specify how long to wait before re-entering a treated area without PPE. 10.Who regulates pesticide use in North Carolina?
  • A. Department of Transportation
  • B. North Carolina Department of Agriculture and Consumer Services (NCDA&CS)
  • C. U.S. Department of Labor
  • D. State Environmental Board NCDA&CS is responsible for enforcing pesticide regulations in the state. 11.What does PPE stand for?
  • A. Personal Protection Element
  • B. Personal Protective Equipment
  • C. Pest Protection Equipment
  • D. Professional Pesticide Equipment PPE includes gear like gloves, goggles, and respirators to protect against exposure. 12.Which is the best practice when storing pesticides?
  • A. In an unlocked shed
  • B. Near animal feed
  • C. In a well-ventilated, locked cabinet away from food
  • D. Next to flammable liquids Pesticides should always be stored securely and separately from consumables. 13.What should you do first if a pesticide gets in your eyes?
  • A. Call 91 1
  • B. Rinse with water for at least 15 minutes
  • C. Use an eyewash solution
  • D. Wipe with a clean cloth Immediate and prolonged rinsing is essential to prevent permanent damage. 14.What is drift?
  • A. The settling of pesticides on the ground
  • B. Movement of pesticide away from the target area
  • C. Evaporation after application

18.What is an example of a biological control?

  • A. Use of insecticidal soap
  • B. Application of herbicide
  • C. Introduction of lady beetles to control aphids
  • D. Spraying oil-based pesticides Biological control uses living organisms to manage pest populations. 19.When mixing pesticides, you should always:
  • A. Use the manufacturer’s scoop
  • B. Read and follow the label instructions
  • C. Mix all available chemicals together
  • D. Use twice the recommended dose for tough pests The label provides critical safety and usage information. 20.If a pesticide is spilled on your clothing, the best first action is to:
  • A. Brush it off
  • B. Remove contaminated clothing immediately
  • C. Spray it with water
  • D. Change only if irritation occurs Prompt removal reduces further skin absorption. 21.Which of the following is considered a sensitive area when applying pesticides?
  • A. Gravel road
  • B. Corn field
  • C. School playground
  • D. Open rangeland Areas like schools, homes, and water sources are considered sensitive. 22.What is the best way to calibrate spray equipment?
  • A. Use random estimates
  • B. Spray until the tank is empty
  • C. Measure output per unit area using water
  • D. Double the manufacturer’s recommendation Calibration ensures the correct application rate and coverage. 23.What is an example of a systemic pesticide?
  • A. Baits
  • B. Dusts
  • C. Pesticide absorbed by plant and moved internally
  • D. Pesticide that only kills on contact Systemic pesticides move within the plant to control pests from inside. 24.Which pesticide formulation is least likely to drift?
  • A. Aerosol
  • B. Emulsifiable concentrate
  • C. Granules
  • D. The time pests take to become resistant PHI ensures residues break down to safe levels before harvest. 28.The "inert ingredients" on a pesticide label are:
  • A. Non-hazardous and always safe
  • B. Substances that are not the active ingredient but may aid in formulation
  • C. Natural plant oils
  • D. Not regulated Inert ingredients serve purposes like stabilization or improved application, but may still be toxic. 29.What should be done if pesticide spray equipment is leaking?
  • A. Continue spraying until it’s empty
  • B. Wrap with tape temporarily
  • C. Stop the application and repair the equipment
  • D. Dilute the mixture with water Leaky equipment can cause overexposure and off-target contamination. 30.A pesticide’s half-life refers to:
  • A. The time until it expires
  • B. How long it takes to apply
  • C. The time it takes for half of the chemical to degrade
  • D. The time it protects the plant Half-life affects persistence in the environment and timing of applications.

31.Which pesticide formulation is most likely to clog nozzles?

  • A. Emulsifiable concentrates
  • B. Wettable powders
  • C. Soluble liquids
  • D. Microencapsulated formulations Wettable powders don’t dissolve in water and may cause clogging. 32.Which of the following statements about pesticide rinsates is true?
  • A. Rinsates must always be discarded
  • B. Rinsates can be reused if applied to labeled sites at labeled rates
  • C. Rinsates are always hazardous waste
  • D. Rinsates should be flushed into storm drains When handled properly, rinsates can be safely reused. 33.Which practice is part of Integrated Pest Management (IPM)?
  • A. Spraying only during rain
  • B. Using multiple control strategies to manage pests
  • C. Increasing application frequency
  • D. Only using synthetic chemicals IPM emphasizes prevention and a variety of control methods. 34.What is chemigation?
  • A. Mixing two chemicals
  • B. Applying pesticides through an irrigation system
  • C. Tank size
  • D. Wind direction Environmental conditions influence pesticide degradation rates. 38.The term “volatility” refers to a pesticide’s ability to:
  • A. Remain on surfaces
  • B. Dissolve in water
  • C. Change into a gas or vapor
  • D. React with plants Volatile pesticides can vaporize and move off-target. 39.What is the first thing you should do when preparing to mix pesticides?
  • A. Wear rubber gloves
  • B. Read the label
  • C. Start the sprayer
  • D. Open the container Reading the label ensures correct handling, mixing, and safety procedures. 40.What is the purpose of a buffer zone?
  • A. To increase application rates
  • B. To allow the pesticide to settle
  • C. To protect sensitive areas from pesticide exposure
  • D. To extend coverage area Buffer zones reduce pesticide drift to nearby water or sensitive habitats.

41.What type of container is appropriate for long-term pesticide storage?

  • A. Plastic milk jugs
  • B. Cardboard boxes
  • C. Original, labeled container
  • D. Any container with a lid Storing pesticides in their original labeled containers prevents misuse and accidents. 42.Which of the following conditions increases the risk of pesticide volatilization?
  • A. High humidity
  • B. High temperatures
  • C. Cold air
  • D. Low wind speed High heat promotes evaporation of volatile chemicals. 43.The primary purpose of a Material Safety Data Sheet (MSDS) or Safety Data Sheet (SDS) is to:
  • A. Advertise the pesticide
  • B. Provide safety and health information for chemical products
  • C. Show pesticide cost
  • D. Describe pest species SDSs offer essential information on hazards, storage, and emergency measures.
  • C. Groin area
  • D. Back Thin-skinned areas like the groin absorb chemicals more quickly. 48.What’s the primary function of a nozzle on a sprayer?
  • A. Store pesticide
  • B. Regulate droplet size and distribution
  • C. Control tank pressure
  • D. Measure pesticide temperature Nozzles control coverage and prevent drift by adjusting spray patterns. 49.What should you do immediately if pesticide is accidentally swallowed?
  • A. Induce vomiting
  • B. Call the Poison Control Center or seek medical help immediately
  • C. Drink milk
  • D. Wait to see if symptoms develop Prompt medical advice is critical to prevent serious poisoning. 50.Which of the following best defines pesticide resistance?
  • A. Pests avoiding the spray
  • B. Pests surviving treatments due to genetic adaptation
  • C. Pests dying quickly
  • D. Plants being harmed Resistance occurs when pests evolve to withstand previously effective pesticides.