Ohio Commercial Pesticide Applicator Core
Examination Questions And Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
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1. Which of the following best describes the primary purpose of the
pesticide label?
A. To provide marketing information
B. To describe the chemical composition only
C. To provide legal instructions for safe and effective use
D. To give the price and distributor contact information
Rationale: The pesticide label is a legal document and provides
critical instructions on how to safely and effectively use the
product. Following label directions is required by law.
2. What is the first step in integrated pest management (IPM)?
A. Apply pesticides immediately
B. Identify and monitor the pest
C. Choose the cheapest control method
D. Spray all susceptible areas
, Rationale: IPM starts with identifying and monitoring pests to
make informed decisions, reducing unnecessary pesticide use.
3. Which federal law primarily regulates pesticides in the United
States?
A. Clean Water Act
B. Occupational Safety and Health Act
C. Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA)
D. Endangered Species Act
Rationale: FIFRA governs the registration, distribution, and use of
pesticides and ensures they do not pose unreasonable risks.
4. What signal word indicates the highest acute toxicity on a
pesticide label?
A. Caution
B. Warning
C. Danger
D. Notice
Rationale: “Danger” indicates high toxicity and requires extreme
caution when handling the pesticide.
5. Which part of the plant is most likely to absorb systemic
pesticides?
A. Roots
, B. Leaves
C. Bark
D. Flowers
Rationale: Systemic pesticides are absorbed primarily through
leaves and translocated throughout the plant’s vascular system.
6. What is the primary route of pesticide exposure for most
applicators?
A. Oral
B. Dermal (skin)
C. Inhalation
D. Injection
Rationale: Most pesticide exposure occurs through skin contact
during mixing, loading, or application.
7. Which PPE item is most critical when handling highly toxic
pesticides?
A. Ear plugs
B. Hard hat
C. Chemical-resistant gloves
D. Steel-toe boots
Rationale: Gloves protect hands from direct contact with toxic
pesticides, which is the most common exposure route.
, 8. What does “restricted-use pesticide” (RUP) mean?
A. It is banned in all states
B. It can be sold to anyone
C. It requires certified applicators to purchase and use
D. It has no safety requirements
Rationale: RUPs pose greater risks to humans or the environment
and require certified applicators for use.
9. Which factor is most important in determining the correct
pesticide application rate?
A. Price of the chemical
B. Color of the formulation
C. Label instructions and target pest
D. Weather forecast only
Rationale: The label provides legal, accurate rates for effective
pest control while minimizing environmental risks.
10. Which statement about pesticide storage is correct?
A. Pesticides can be stored in kitchens
B. Pesticides should be exposed to sunlight for stability
C. Pesticides should be stored in a locked, dry, well-ventilated
area
D. Empty pesticide containers do not require special disposal
Examination Questions And Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
1. Which of the following best describes the primary purpose of the
pesticide label?
A. To provide marketing information
B. To describe the chemical composition only
C. To provide legal instructions for safe and effective use
D. To give the price and distributor contact information
Rationale: The pesticide label is a legal document and provides
critical instructions on how to safely and effectively use the
product. Following label directions is required by law.
2. What is the first step in integrated pest management (IPM)?
A. Apply pesticides immediately
B. Identify and monitor the pest
C. Choose the cheapest control method
D. Spray all susceptible areas
, Rationale: IPM starts with identifying and monitoring pests to
make informed decisions, reducing unnecessary pesticide use.
3. Which federal law primarily regulates pesticides in the United
States?
A. Clean Water Act
B. Occupational Safety and Health Act
C. Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA)
D. Endangered Species Act
Rationale: FIFRA governs the registration, distribution, and use of
pesticides and ensures they do not pose unreasonable risks.
4. What signal word indicates the highest acute toxicity on a
pesticide label?
A. Caution
B. Warning
C. Danger
D. Notice
Rationale: “Danger” indicates high toxicity and requires extreme
caution when handling the pesticide.
5. Which part of the plant is most likely to absorb systemic
pesticides?
A. Roots
, B. Leaves
C. Bark
D. Flowers
Rationale: Systemic pesticides are absorbed primarily through
leaves and translocated throughout the plant’s vascular system.
6. What is the primary route of pesticide exposure for most
applicators?
A. Oral
B. Dermal (skin)
C. Inhalation
D. Injection
Rationale: Most pesticide exposure occurs through skin contact
during mixing, loading, or application.
7. Which PPE item is most critical when handling highly toxic
pesticides?
A. Ear plugs
B. Hard hat
C. Chemical-resistant gloves
D. Steel-toe boots
Rationale: Gloves protect hands from direct contact with toxic
pesticides, which is the most common exposure route.
, 8. What does “restricted-use pesticide” (RUP) mean?
A. It is banned in all states
B. It can be sold to anyone
C. It requires certified applicators to purchase and use
D. It has no safety requirements
Rationale: RUPs pose greater risks to humans or the environment
and require certified applicators for use.
9. Which factor is most important in determining the correct
pesticide application rate?
A. Price of the chemical
B. Color of the formulation
C. Label instructions and target pest
D. Weather forecast only
Rationale: The label provides legal, accurate rates for effective
pest control while minimizing environmental risks.
10. Which statement about pesticide storage is correct?
A. Pesticides can be stored in kitchens
B. Pesticides should be exposed to sunlight for stability
C. Pesticides should be stored in a locked, dry, well-ventilated
area
D. Empty pesticide containers do not require special disposal
