Download Ohio Pesticide Applicators Exam Study Guide Questions And Correct Detailed Answers 2025 and more Exams Pest Management in PDF only on Docsity!
Ohio Pesticide Applicators Exam Study Guide Questions And
Correct
Detailed Answers 2025 (Verified Answers) With Rationales
- What is the main purpose of pesticide certification in Ohio? a. To increase pesticide sales b. To ensure safe and effective pesticide use c. To promote chemical manufacturing d. To encourage use of restricted pesticides Certification ensures applicators know how to safely and effectively handle and apply pesticides.
- Which Ohio agency is responsible for pesticide applicator licensing? a. Department of Health b. Department of Agriculture and Natural Resources c. Ohio Department of Agriculture (ODA) d. Ohio Environmental Protection Agency (EPA) ODA oversees licensing, training, and regulation of pesticide applicators.
- What is a restricted use pesticide (RUP)? a. A pesticide used only indoors b. A pesticide that kills only insects c. A pesticide that can only be used by certified applicators d. A pesticide banned by the EPA
RUPs are limited to certified applicators due to potential environmental or health risks.
- When mixing pesticides, what is the best practice? a. Read and follow label directions b. Estimate the amount by eye c. Always mix the strongest concentration d. Mix in any container available Label instructions provide critical safety and mixing information.
- What signal word indicates the highest toxicity? a. Caution b. Warning c. Danger d. Safe "Danger" signals high toxicity, often accompanied by "Poison" and a skull and crossbones.
- How often must you renew your Ohio pesticide license? a. Every 10 years b. Every 3 years c. Every year d. Every 5 years Ohio applicator licenses must be renewed annually.
- What does PPE stand for? a. Pesticide Prevention Equipment b. Personal Protective Equipment
Drift refers to unintended off-target pesticide movement, especially via wind. 11.Which of the following pesticide formulations is most likely to drift? a. Granules b. Emulsifiable concentrates c. Dusts d. Wettable powders ECs create fine droplets prone to drifting. 12.What should you do if you spill a pesticide? a. Wash it away b. Contain and clean it up using proper materials c. Call the media d. Leave it to evaporate Containment prevents environmental contamination. 13.The term “re-entry interval” (REI) refers to: a. Time before people can re-enter a treated area b. Time before another application c. Storage period of pesticide d. Days until harvest REI protects workers and others from exposure. 14.What is a common symptom of organophosphate poisoning? a. Dry mouth b. Muscle twitching
c. Rash d. Rapid hair loss Organophosphates affect the nervous system, causing twitching, sweating, and more. 15.What type of nozzle produces the most drift? a. Flat-fan b. Hollow-cone c. Fine mist d. Flood Fine mist nozzles produce small droplets that easily drift. 16.What is the best practice for rinsing pesticide containers? a. Leave them as-is b. Burn them c. Triple rinse or pressure rinse d. Toss in regular trash Proper rinsing prevents contamination and meets disposal regulations. 17.Pesticide resistance means: a. Applicators are immune b. Equipment wears out c. Target pests are no longer affected by the pesticide d. Label instructions change Resistance occurs when pests evolve to survive pesticide exposure. 18.What is the primary way to prevent resistance? a. Rotate pesticide modes of action
22.What are adjuvants? a. Types of PPE b. Rodent poisons c. Chemicals added to improve pesticide performance d. Cleaning agents Adjuvants help with spreading, sticking, or penetrating target surfaces. 23.What should be used to calibrate spray equipment? a. Water only b. Soap solution c. Clean water and measurement tools d. Pesticide solution Use water during calibration to prevent waste and exposure. 24.What is the most common route of pesticide exposure? a. Inhalation b. Dermal (skin) c. Oral d. Ocular Skin contact is the most frequent route of exposure for applicators. 25.What is the purpose of a backflow prevention device? a. Stop pesticide drift b. Reduce nozzle clogging c. Prevent contamination of water sources d. Improve mixing Prevents pesticides from flowing backward into water supplies.
26.Who is responsible for following label instructions? a. Manufacturer b. Dealer c. Applicator d. State inspector The certified applicator is legally responsible for proper use. 27.What is a common effect of pesticide exposure? a. Weight gain b. Headache and dizziness c. Baldness d. Vision improvement These are typical early symptoms of pesticide poisoning. 28.What does LD50 measure? a. Lifespan of a pesticide b. Lethal dose to kill 50% of test animals c. Legal dosage d. Label dilution It indicates acute toxicity—the lower the LD50, the more toxic the substance. 29.When is the best time to apply pesticides to reduce drift? a. Noon b. Early morning or late evening when wind is calm c. During rain
b. Application date, time, location, product, rate, and weather c. Applicator’s birthday d. Number of weeds killed This info ensures compliance and traceability. 34.What is the maximum wind speed recommended for most pesticide applications? a. 20 mph b. 10 mph or less c. 30 mph d. 15 mph High winds increase drift risk. 35.Which of the following materials offers the most protection from pesticides? a. Cotton shirt b. Rubber gloves c. Chemical-resistant coveralls d. Leather boots Chemical-resistant clothing offers better protection than absorbent materials. 36.What is chemigation? a. Applying pesticides through irrigation systems b. Cleaning tanks c. Mixing herbicides by hand
d. Spray calibration Chemigation delivers pesticides via irrigation water. 37.When should you check your equipment for leaks? a. Once a year b. Before each use c. Only if there’s a spill d. Monthly Routine checks prevent accidents. 38.What is the best disposal method for unused pesticide? a. Down the drain b. Follow label instructions and state guidelines c. Dump it in soil d. Burn it Improper disposal harms people and the environment. 39.What does a skull and crossbones on a label mean? a. Eco-friendly b. Non-toxic c. Highly toxic and potentially fatal d. Insect only This symbol warns of acute danger. 40.What determines re-certification requirements in Ohio? a. Weather conditions b. Pest population c. Type of license and categories held
c. Faster plant growth d. Lower insurance rates Misuse can lead to lawsuits, fines, and pollution. 45.Drift reduction nozzles: a. Increase mist b. Create larger droplets to reduce drift c. Block flow d. Reduce chemical potency Larger droplets are less likely to drift. 46.What is the primary purpose of calibration? a. Ensure the correct application rate b. Clean equipment c. Train staff d. Mix ingredients Calibration ensures accuracy. 47.How should contaminated clothing be washed? a. With family laundry b. Separately, using hot water and detergent c. At a laundromat d. Without soap Wash separately to avoid contamination. 48.What is the best resource for pesticide safety information? a. TV commercials b. Farm neighbors
c. The pesticide label d. Online forums The label is the law and contains vital instructions. 49.How can you tell if a pesticide is selective? a. It targets specific pests b. It kills everything c. It has a red label d. It’s made from oil Selective pesticides minimize harm to beneficial species. 50.What is the best way to avoid pesticide exposure? a. Use expired pesticides b. Guess the dosage c. Follow label directions and wear PPE d. Apply during windy days Proper PPE and adherence to label directions reduce exposure risk. 51.What is the meaning of the term "active ingredient"? a. A filler used in pesticides b. The chemical component that controls the pest c. The colorant in the formulation d. A surfactant used for spreadability Active ingredients are responsible for the pesticidal action. 52.Which of the following must be reported in a pesticide spill? a. Any amount spilled
56.Why are pesticide labels considered legal documents? a. They come from universities b. They change with seasons c. They are federally approved and enforceable by law d. They use bold fonts The EPA approves labels under federal law, making them legally binding. 57.What information does the "Precautionary Statements" section on a pesticide label provide? a. Pesticide effectiveness b. Mixing instructions c. Hazards to humans and the environment d. Sale restrictions This section explains protective measures and potential dangers. 58.What are signal words based on? a. Color of pesticide b. Toxicity level to humans c. Age of the pesticide d. Use restrictions Signal words like “Caution,” “Warning,” or “Danger” reflect acute toxicity. 59.When is a pesticide considered a Restricted Use Pesticide (RUP)? a. When it is cheap b. When it kills plants c. When it poses higher risk to human health or the environment
d. When it is made in bulk RUPs require certification to purchase and apply due to their hazard level. 60.What category of pesticide license is needed for applying to food crops in Ohio? a. Category 6 b. Category 1A c. Category 2A (Agronomic Crops) d. Category 5 Category 2A covers application to agronomic crops like corn, wheat, and soy. 61.Which of the following is an example of biological pest control? a. Releasing lady beetles to control aphids b. Spraying insecticide c. Pruning infected plants d. Changing irrigation practices Biological control uses natural enemies of pests. 62.If a pesticide container is damaged, what should you do? a. Use it quickly b. Transfer contents to a properly labeled container c. Pour it out d. Hide it from inspection Containers must be secure and labeled to prevent misuse or accidents.
67.Which is the most effective way to avoid environmental contamination? a. Use large nozzles b. Follow label and safety guidelines c. Spray during wind d. Use extra chemical Safety and environmental instructions help minimize contamination. 68.What’s the best way to determine how much pesticide to mix? a. Guess b. Ask a friend c. Read the label d. Check the temperature The label contains specific mixing and application instructions. 69.What is a pesticide’s mode of action? a. How it affects the pest’s biology b. Its shelf life c. Its color d. The time it takes to dry Mode of action describes the biochemical process disrupted in the pest. 70.What is a pest threshold? a. The size of the pest b. The level at which a pest population requires action c. The pest’s weight d. The time pests appear
Thresholds help determine when control measures are needed economically. 71.If you inhale pesticide fumes, what is the first thing you should do? a. Lie down b. Move to fresh air immediately c. Eat something d. Drink water Quickly getting to fresh air reduces further exposure. 72.What is the function of an anti-siphon valve in chemigation? a. Increase pressure b. Mix chemicals c. Prevent backflow of pesticides into water supply d. Release excess water These valves are essential to protect water sources. 73.What is the best way to prevent accidental pesticide poisoning? a. Leave the container open b. Store pesticides in original containers and locked areas c. Mix pesticides in the kitchen d. Keep them near food Proper storage prevents accidental contact and ingestion. 74.What color is typically associated with high-toxicity warning labels? a. Green b. Red
