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New Hampshire Pesticide Applicators
Practice Exam Questions and Correct
Detailed Answers 2025 (Verified Answers)
- What does the term “pesticide” legally refer to? a. Only insecticides and herbicides b. Chemicals derived from natural sources c. Any substance intended to control pests d. Synthetic chemicals only The legal definition includes any substance used to prevent, destroy, repel, or mitigate any pest.
- Which federal law regulates pesticide distribution, sale, and use in the U.S.? a. NEPA b. OSHA c. FIFRA d. FQPA The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) is the main pesticide law.
- What is the main purpose of the EPA registration number on a pesticide label?
a. Shows expiration date b. Identifies the dealer c. Identifies the product and its manufacturer d. Indicates toxicity level The EPA registration number provides unique identification of the pesticide product.
- Restricted Use Pesticides (RUPs) can be purchased and applied by: a. Anyone over 18 years old b. Only government agencies c. Certified applicators or those under their supervision d. Retail employees RUPs require certification due to higher risk to humans or the environment.
- The "signal word" on a pesticide label indicates: a. Manufacturer address b. Relative toxicity of the product c. EPA category number d. Application equipment Signal words like "Caution," "Warning," or "Danger" communicate toxicity level.
- Which of the following is the least toxic signal word? a. Danger b. Warning c. Caution d. Poison "Caution" indicates the lowest toxicity; "Danger" and "Poison" are more toxic.
d. Period before rain wash-off REI is the time required before humans can safely enter a treated area. 11.Which of the following is not a route of pesticide entry? a. Oral b. Optical c. Dermal d. Inhalation "Optical" is not a recognized route; the correct ones are dermal, oral, and inhalation. 12.What is the best way to reduce pesticide drift? a. Spray during high wind b. Increase pressure c. Apply in calm weather d. Use smaller droplets Spraying in calm conditions helps reduce drift. 13.A “broad-spectrum” pesticide affects: a. Specific pest species only b. Many types of pests c. Only insects d. Only rodents Broad-spectrum pesticides target a wide variety of pests. 14.Which pesticide formulation is most likely to cause inhalation exposure?
a. Wettable powders b. Emulsifiable concentrates c. Fumigants d. Granules Fumigants easily vaporize and can be inhaled. 15.What is a disadvantage of using emulsifiable concentrates? a. Clogs nozzles b. Difficult to mix c. More easily absorbed through skin d. Not effective against insects ECs can be absorbed through the skin more readily than other forms. 16.The pesticide storage area should be: a. Unlocked for accessibility b. Ventilated, locked, and clearly labeled c. Located near food storage d. Inside residential structures Storage areas must be secure, well-ventilated, and clearly marked. 17.What type of information is found on the Material Safety Data Sheet (MSDS)? a. Expiration date b. Chemical hazards and handling instructions c. Warranty details d. Dealer discounts The MSDS includes safety information and emergency procedures.
d. After product mixing Regular calibration ensures correct application rates. 22.Which term describes pests becoming unaffected by pesticides? a. Tolerance b. Resistance c. Immunity d. Recovery Resistance occurs when pests survive pesticide exposure and pass on traits. 23.Which of the following is an example of a biological pest control method? a. Herbicide b. Soil sterilant c. Releasing beneficial insects d. Trap cropping Using natural predators or parasites is biological control. 24.What is an example of cultural control? a. Herbicide application b. Rotating crops c. Installing screens d. Using bait Cultural practices like crop rotation help prevent pest buildup. 25.What should you do if a pesticide spill occurs? a. Wash it into the soil b. Contain and clean it up immediately
c. Burn the residue d. Dilute with water Spills should be contained, absorbed, and cleaned according to protocol. 26.What does LD50 refer to? a. Label data for 50 states b. Legal dosage c. Lethal dose to kill 50% of test population d. Level of dilution LD50 indicates acute toxicity: the lower the number, the more toxic. 27.The term “systemic pesticide” means: a. Works on contact b. Moves through the plant or pest’s system c. Repels only d. Is sprayed only on roots Systemics are absorbed and circulated internally. 28.A major risk of pesticide use near water is: a. Inhalation b. Resistance c. Contamination of groundwater d. Leaf burn Improper application can lead to groundwater contamination. 29.What type of nozzle produces the largest droplets?
33.Which pesticide form is least likely to drift? a. Aerosol b. Granular c. Dust d. Liquid concentrate Granules are heavy and not easily carried by wind. 34.Back-siphoning occurs when: a. Sprayer pressure drops b. Hose end is submerged in tank during filling c. Tank is full d. Nozzles are clogged Back-siphoning can pull pesticides into the water source. 35.A “weed” is best defined as: a. Poisonous plant b. Unwanted plant growing where it’s not desired c. Invasive tree d. Fast-growing grass A weed is any unwanted plant. 36.Which term means “pesticide remains active in environment for long periods”? a. Volatile b. Reactive c. Persistent
d. Selective Persistent pesticides degrade slowly. 37.What type of pesticide controls algae? a. Herbicide b. Fungicide c. Algicide d. Larvicide Algicides are used specifically to manage algae. 38.The term “selective pesticide” means: a. Low toxicity b. Kills specific pests only c. Non-chemical d. Requires certification Selective pesticides target certain pests while sparing others. 39.The purpose of a buffer zone is to: a. Reduce odor b. Protect sensitive areas from pesticide exposure c. Extend spray range d. Increase yield Buffer zones help shield water sources, homes, or wildlife areas. 40.Why should pesticides be mixed outdoors or in ventilated areas? a. To save time b. To reduce inhalation risk
a. Spray nozzle b. Liquid or solid used to deliver the pesticide c. Vehicle d. Tank lid Carriers dilute and transport the active ingredient. 45.What’s the best emergency response to eye exposure? a. Close eyes tightly b. Wipe with cloth c. Rinse with water for 15 minutes d. Call 911 immediately Immediate flushing reduces injury severity. 46.What unit is commonly used to measure pesticide application rate? a. Grams/minute b. Pounds or gallons per acre c. Inches/hour d. Parts per trillion Application rates are based on treated area. 47.What agency regulates pesticide use in New Hampshire? a. EPA b. New Hampshire Department of Agriculture, Markets & Food c. OSHA d. USDA State-level pesticide regulation falls under the NH Department of Agriculture.
48.A “label” is: a. Advertising b. A legal document describing safe and proper use c. Opinion-based d. For shipment only The label is enforceable by law. 49.How should empty pesticide containers be stored before disposal? a. In trash bags b. In a secure, labeled area c. In irrigation canals d. On-site in the open They must be stored securely to prevent contamination. 50.What is the safest way to transport pesticides? a. In the passenger seat b. In the back of a pickup, secured and upright c. In your lap d. In an open bucket Transport pesticides securely and separately from people.
