OHIO AGRICULTURAL PESTICIDE APPLICATOR
EXAM PRATICE QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES |2026 Q&A | INSTANT
DOWNLOAD PDF
1. What is the primary goal of pesticide application?
A. To increase profits
B. To control pests effectively while minimizing harm
C. To manage pests efficiently and safely
D. To use the maximum label rate
The main goal is to control pests while protecting human health and the environment.
2. The pesticide label is considered:
A. A suggestion
B. Optional information
C. A legal document
D. A guideline only
Federal law requires that all label directions be followed exactly.
3. What agency enforces federal pesticide laws?
A. FDA
B. OSHA
C. EPA
D. USDA
The Environmental Protection Agency regulates pesticide registration and labeling.
4. Which type of pesticide formulation is most likely to drift?
A. Granules
B. Dusts
C. Pellets
,D. Baits
Dusts are lightweight and easily carried by wind.
5. The signal word "Danger" on a pesticide label indicates:
A. Low toxicity
B. High toxicity
C. Moderate toxicity
D. Slight irritation
“Danger” means the product is highly toxic or corrosive.
6. PPE stands for:
A. Personal Protection Equipment
B. Personal Protective Equipment
C. Pesticide Protection Equipment
D. Public Protective Enforcement
PPE protects applicators from exposure.
7. Restricted use pesticides (RUP) may be applied by:
A. Anyone
B. Farmers only
C. Certified applicators or those under their supervision
D. Retail employees
RUPs require certified applicators for safe handling.
8. A formulation labeled “EC” means:
A. Emulsified capsule
B. Emulsifiable concentrate
C. Encapsulated chemical
D. Enzyme compound
EC formulations mix with water to form an emulsion.
9. When mixing pesticides, you should always:
A. Pour water into pesticide
B. Add pesticide to water
C. Mix them simultaneously
D. Use any method
Adding pesticide to water reduces splash risk and exposure.
, 10. The term LD50 refers to:
A. Lethal dose for all
B. Dose that kills 50% of test animals
C. Least dangerous formula
D. Label dilution factor
LD50 measures acute toxicity of a substance.
11. Drift can be minimized by:
A. Using higher pressure
B. Using larger droplet size and lower wind speed
C. Spraying in high wind
D. Using smaller nozzles
Larger droplets reduce drift potential.
12. Which nozzle type is best for herbicide application?
A. Hollow cone
B. Flood
C. Flat fan
D. Air induction
Flat fan nozzles provide uniform coverage for herbicides.
13. Pesticide residues refer to:
A. Unused pesticide
B. Pesticide remaining on crops or surfaces after application
C. Pesticide spilled on soil
D. Waste in the tank
Residues are what remains after application.
14. What color is typically used for pesticide warning signs?
A. Blue
B. Red or yellow
C. Green
D. Orange
These colors alert workers and the public to danger.
15. The reentry interval (REI) refers to:
A. Time before harvest
B. Time before workers can reenter treated areas
C. Time before rainfall
EXAM PRATICE QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES |2026 Q&A | INSTANT
DOWNLOAD PDF
1. What is the primary goal of pesticide application?
A. To increase profits
B. To control pests effectively while minimizing harm
C. To manage pests efficiently and safely
D. To use the maximum label rate
The main goal is to control pests while protecting human health and the environment.
2. The pesticide label is considered:
A. A suggestion
B. Optional information
C. A legal document
D. A guideline only
Federal law requires that all label directions be followed exactly.
3. What agency enforces federal pesticide laws?
A. FDA
B. OSHA
C. EPA
D. USDA
The Environmental Protection Agency regulates pesticide registration and labeling.
4. Which type of pesticide formulation is most likely to drift?
A. Granules
B. Dusts
C. Pellets
,D. Baits
Dusts are lightweight and easily carried by wind.
5. The signal word "Danger" on a pesticide label indicates:
A. Low toxicity
B. High toxicity
C. Moderate toxicity
D. Slight irritation
“Danger” means the product is highly toxic or corrosive.
6. PPE stands for:
A. Personal Protection Equipment
B. Personal Protective Equipment
C. Pesticide Protection Equipment
D. Public Protective Enforcement
PPE protects applicators from exposure.
7. Restricted use pesticides (RUP) may be applied by:
A. Anyone
B. Farmers only
C. Certified applicators or those under their supervision
D. Retail employees
RUPs require certified applicators for safe handling.
8. A formulation labeled “EC” means:
A. Emulsified capsule
B. Emulsifiable concentrate
C. Encapsulated chemical
D. Enzyme compound
EC formulations mix with water to form an emulsion.
9. When mixing pesticides, you should always:
A. Pour water into pesticide
B. Add pesticide to water
C. Mix them simultaneously
D. Use any method
Adding pesticide to water reduces splash risk and exposure.
, 10. The term LD50 refers to:
A. Lethal dose for all
B. Dose that kills 50% of test animals
C. Least dangerous formula
D. Label dilution factor
LD50 measures acute toxicity of a substance.
11. Drift can be minimized by:
A. Using higher pressure
B. Using larger droplet size and lower wind speed
C. Spraying in high wind
D. Using smaller nozzles
Larger droplets reduce drift potential.
12. Which nozzle type is best for herbicide application?
A. Hollow cone
B. Flood
C. Flat fan
D. Air induction
Flat fan nozzles provide uniform coverage for herbicides.
13. Pesticide residues refer to:
A. Unused pesticide
B. Pesticide remaining on crops or surfaces after application
C. Pesticide spilled on soil
D. Waste in the tank
Residues are what remains after application.
14. What color is typically used for pesticide warning signs?
A. Blue
B. Red or yellow
C. Green
D. Orange
These colors alert workers and the public to danger.
15. The reentry interval (REI) refers to:
A. Time before harvest
B. Time before workers can reenter treated areas
C. Time before rainfall
