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KANSAS COMMERCIAL PESTICIDE APPLICATORS EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED AN, Exams of Agricultural engineering

University of Guam (UOG)Agricultural engineering

KANSAS COMMERCIAL PESTICIDE APPLICATORS EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES 2025

Typology: Exams

2024/2025

Available from 06/29/2025

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KANSAS COMMERCIAL PESTICIDE
APPLICATORS EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2025
1. What is the primary purpose of the pesticide label?
To provide legal instructions and safety information for
pesticide use
The label is a legal document and must be followed to
ensure safe and effective pesticide application.
2. What does the signal word "Danger" on a pesticide label
indicate?
The pesticide is highly toxic
Signal words indicate the acute toxicity of a pesticide;
"Danger" is the highest warning.
3. Which federal agency regulates the registration of
pesticides in the U.S.?
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Download KANSAS COMMERCIAL PESTICIDE APPLICATORS EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED AN and more Exams Agricultural engineering in PDF only on Docsity!

KANSAS COMMERCIAL PESTICIDE

APPLICATORS EXAM QUESTIONS

AND CORRECT ANSWERS (VERIFIED

ANSWERS) PLUS RATIONALES 2025

  1. What is the primary purpose of the pesticide label? To provide legal instructions and safety information for pesticide use The label is a legal document and must be followed to ensure safe and effective pesticide application.
  2. What does the signal word "Danger" on a pesticide label indicate? The pesticide is highly toxic Signal words indicate the acute toxicity of a pesticide; "Danger" is the highest warning.
  3. Which federal agency regulates the registration of pesticides in the U.S.?

Environmental Protection Agency (EPA) The EPA oversees pesticide registration to ensure safety and effectiveness.

  1. What is the best method to reduce pesticide drift during application? Use low pressure and large droplets Large droplets reduce drift potential compared to fine mist or high pressure sprays.
  2. When applying pesticides near water bodies, what should be done to protect aquatic life? Use buffer zones and avoid direct runoff Buffer zones reduce pesticide entry into water, protecting aquatic organisms.
  3. Which type of pesticide is designed to control fungi? Fungicide Fungicides target fungal organisms that cause plant diseases.
  4. How often should pesticide application equipment be calibrated? At least once per year or whenever changes are made Proper calibration ensures accurate pesticide delivery and prevents over- or under-application.

Environmental factors like sunlight, temperature, and moisture affect breakdown, not clothing.

  1. Which pest control method uses natural enemies to manage pests? Biological control Biological control employs predators, parasites, or pathogens to reduce pest populations.
  2. What does the pesticide “restricted use” classification mean? It can only be applied by certified applicators Restricted use pesticides have higher risks and require special training to apply.
  3. Why is it important to avoid overuse of pesticides? To prevent pest resistance and environmental harm Overuse can lead to pests developing resistance and can damage ecosystems.
  4. Which is NOT a symptom of pesticide poisoning? Increased appetite Symptoms typically include nausea, headache, dizziness, not increased appetite.
  5. What is the correct way to dispose of empty pesticide containers?

Triple rinse and follow label disposal instructions Proper rinsing reduces residue; labels specify legal disposal methods.

  1. What type of pesticide is typically used to control weeds? Herbicide Herbicides target unwanted plants competing with crops or turf.
  2. What is the significance of the pesticide’s active ingredient? It is the chemical responsible for pest control Active ingredients produce the biological effect on pests.
  3. What does “pre-harvest interval” (PHI) mean? The minimum time between pesticide application and crop harvest PHI ensures pesticide residues decline to safe levels before consumption.
  4. Which piece of equipment is essential for measuring pesticide spray volume? Flow meter Flow meters help applicators measure and control the amount of pesticide applied.

down drains Improper disposal can contaminate water and harm the environment.

  1. What is a common sign of pesticide damage to plants? Yellowing or spotting of leaves Phytotoxicity symptoms include chlorosis, necrosis, and stunting.
  2. When should pesticide application records be kept? Always, for at least 2 years Records help with compliance, liability, and monitoring application history.
  3. Which pest is controlled by an insecticide? Insects Insecticides target insect pests specifically.
  4. What does the term “mode of action” refer to? How a pesticide affects a pest’s biology Understanding mode of action helps with resistance management.
  5. What is the first step if a pesticide gets into your eyes? Flush immediately with water for at least 15 minutes Quick irrigation reduces damage and exposure severity.
  1. Which PPE is commonly required when applying pesticides? Gloves, long sleeves, goggles, and respirators as needed PPE protects the applicator from harmful exposure.
  2. How should pesticides be stored? In a locked, labeled, and well-ventilated area away from food Proper storage prevents accidental exposure and contamination.
  3. What is the main concern with applying pesticides in windy conditions? Increased risk of pesticide drift Drift can damage non-target areas and cause environmental contamination.
  4. What is the purpose of a surfactant in pesticide formulations? To improve spreading and sticking on plant surfaces Surfactants increase pesticide efficacy by improving coverage.
  5. When mixing pesticides, which is the best order to add them? Add dry formulations first, then liquids, and then
  1. What type of pesticide targets rodents? Rodenticide Rodenticides are formulated to control rats, mice, and other rodents.
  2. What is “integrated pest management” (IPM)? A strategy combining biological, cultural, physical, and chemical tools to manage pests IPM aims to minimize pesticide use while effectively controlling pests.
  3. What is the maximum amount of pesticide allowed per acre according to the label called? Maximum labeled rate Exceeding this rate is illegal and dangerous.
  4. What should be done if an applicator feels ill after pesticide application? Seek medical help immediately and provide the label or SDS Timely treatment is critical; label/SDS help medical professionals identify the pesticide.
  5. How should pesticide spray equipment be cleaned? Rinse thoroughly with water and dispose of rinse water according to label

Proper cleaning prevents contamination and equipment damage.

  1. What is the danger of pesticide residues in harvested crops? They may pose health risks to consumers Residue limits are regulated to ensure food safety.
  2. Which is NOT a factor in choosing a pesticide? Color of the pesticide Effectiveness, pest target, crop safety, and environmental impact matter, not color.
  3. What does the term “drift” mean? Movement of pesticide spray droplets away from the target area Drift can harm non-target plants, animals, and humans.
  4. What should be included in a pesticide application record? Date, location, pesticide used, amount applied, and applicator name Detailed records ensure accountability and compliance.
  5. What is the safest way to transport pesticides? In a secure, upright position away from passengers

To protect non-target organisms and water quality Buffers minimize pesticide exposure to vulnerable habitats.

  1. Which type of pesticide is used to control mites? Acaricide Acaricides specifically target mites and ticks.
  2. Why should pesticides never be mixed in drinking water containers? Risk of accidental poisoning if ingested Drinking containers must never be contaminated with chemicals.
  3. What does "pre-emergent herbicide" mean? A herbicide applied before weed seeds germinate It prevents weed establishment rather than killing existing plants.
  4. Which factor increases the risk of pesticide runoff into surface water? Applying before heavy rain Rain can wash pesticides off into nearby water bodies.
  5. What is the primary route of pesticide entry into the body? Skin absorption Most pesticide exposure occurs through skin contact.
  1. How does pH affect pesticide stability in a spray mixture? Some pesticides break down faster in acidic or alkaline solutions pH can cause degradation, reducing effectiveness.
  2. What should be done if a pesticide label conflicts with a local law? Follow the more restrictive regulation Applicators must comply with all applicable laws and label directions.
  3. What is the function of an adjuvant in pesticide application? To enhance pesticide performance Adjuvants improve spreading, sticking, or penetration.
  4. How should you protect bees during pesticide application? Avoid spraying during bloom and use bee-safe products Protecting pollinators is critical for ecosystem health and crop production.
  5. What does the term "selective pesticide" mean? Targets specific pests without harming others
  1. What is a major environmental concern with organochlorine pesticides? They persist in the environment and bioaccumulate Organochlorines can cause long-term ecological damage.
  2. How long should you wait after applying pesticides before allowing re-entry? As specified on the label (re-entry interval) REIs protect workers from exposure to residues.
  3. What is the role of calibration in pesticide application? Ensures accurate and uniform pesticide application Calibration prevents under- or over-application.
  4. What type of pesticide would be used to control bacteria? Bactericide Bactericides specifically target bacterial pathogens.
  5. What should be done if pesticide gets on the skin? Wash immediately with plenty of soap and water Quick washing limits absorption and exposure effects.
  6. Why is it important to keep pesticides in their original containers? To ensure correct labeling and prevent misuse

Original containers have important safety and application information.

  1. What is a "signal word" of "Caution" on a pesticide label? Indicates the pesticide has relatively low acute toxicity Caution is the least severe signal word on pesticide labels.
  2. Which is NOT a typical way pesticides affect pests? Providing nutrition Pesticides disrupt biological processes; they do not nourish pests.
  3. What is the purpose of a hazard communication program? To inform employees about chemical hazards and safe handling Programs include training and access to Safety Data Sheets.
  4. Which pesticide formulation requires shaking before use? Suspension concentrates (SC) SCs contain solid particles suspended in liquid and must be shaken.

Precautionary statements advise on safety and emergency measures.

  1. How should you dispose of unused pesticides? Follow label instructions or contact local disposal programs Proper disposal prevents environmental contamination.
  2. Which is NOT a reason for pesticide application recordkeeping? To sell pesticides Records are for compliance, monitoring, and liability, not sales.
  3. What is a “pre-harvest interval” important for? Ensuring food safety by allowing residues to degrade PHI reduces consumer exposure to pesticide residues.
  4. What is a major risk of applying pesticides near groundwater? Contamination through leaching Some pesticides move downward and pollute groundwater supplies.
  5. What is the role of a surfactant in pesticide application? To help pesticide spread evenly on surfaces Surfactants reduce surface tension and improve coverage.
  1. What is the best way to prevent pesticide exposure during mixing? Wear gloves, goggles, and protective clothing PPE minimizes contact with concentrated pesticides.
  2. What is an example of a mechanical pest control method? Using traps or barriers Mechanical methods physically remove or block pests.
  3. What information must a pesticide label include? Active ingredients, usage instructions, hazards, and PPE requirements Labels provide all legally required application and safety info.
  4. Why is it important to read the entire pesticide label before application? To ensure proper use and avoid hazards Following label instructions is both legal and safe.
  5. How can pesticide applicators protect water supplies? Avoid application near wells and use buffer zones Buffers and careful site selection reduce contamination risk.