Illinois Pesticide Applicator General
Standards Licensing Examination
Practice Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the purpose of pesticide labeling?
A. To advertise the product
B. To satisfy EPA marketing guidelines
C. To protect the environment only
D. To provide legally enforceable instructions for safe use
Rationale: The label is a legal document that specifies safe and
proper pesticide use.
2. Which signal word indicates the lowest toxicity?
A. Danger
B. Warning
, C. Caution
D. Poison
Rationale: “Caution” is used on products with the lowest toxicity
levels.
3. Restricted-Use Pesticides (RUP) can be applied by:
A. Anyone over 18
B. Farm workers
C. Certified applicators or those under their supervision
D. Homeowners
Rationale: RUPs require certification or direct supervision by a
certified applicator.
4. What PPE is typically required when mixing pesticides?
A. Sunglasses
B. A cotton shirt
C. Chemical-resistant gloves
D. Sandals
Rationale: Gloves protect against skin absorption during mixing, the
highest-risk task.
5. The term “active ingredient” refers to:
A. Coloring agents
B. The chemical that controls the pest
C. Solvents
D. Surfactants
, Rationale: Active ingredients are the pest-control chemicals in a
pesticide.
6. Which formulation is most likely to drift?
A. Granules
B. Fine sprays or dust
C. Pastes
D. Baits
Rationale: Small airborne particles are highly susceptible to drift.
7. What does LD50 measure?
A. Environmental persistence
B. Product shelf life
C. Acute toxicity level
D. Residue breakdown
Rationale: LD50 expresses how toxic a substance is based on lethal
dosage.
8. The best way to dispose of empty pesticide containers is to:
A. Burn them
B. Triple rinse and follow label disposal directions
C. Refill them with water
D. Store them indefinitely
Rationale: Triple-rinsing ensures no concentrated residues remain
before disposal.
Standards Licensing Examination
Practice Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the purpose of pesticide labeling?
A. To advertise the product
B. To satisfy EPA marketing guidelines
C. To protect the environment only
D. To provide legally enforceable instructions for safe use
Rationale: The label is a legal document that specifies safe and
proper pesticide use.
2. Which signal word indicates the lowest toxicity?
A. Danger
B. Warning
, C. Caution
D. Poison
Rationale: “Caution” is used on products with the lowest toxicity
levels.
3. Restricted-Use Pesticides (RUP) can be applied by:
A. Anyone over 18
B. Farm workers
C. Certified applicators or those under their supervision
D. Homeowners
Rationale: RUPs require certification or direct supervision by a
certified applicator.
4. What PPE is typically required when mixing pesticides?
A. Sunglasses
B. A cotton shirt
C. Chemical-resistant gloves
D. Sandals
Rationale: Gloves protect against skin absorption during mixing, the
highest-risk task.
5. The term “active ingredient” refers to:
A. Coloring agents
B. The chemical that controls the pest
C. Solvents
D. Surfactants
, Rationale: Active ingredients are the pest-control chemicals in a
pesticide.
6. Which formulation is most likely to drift?
A. Granules
B. Fine sprays or dust
C. Pastes
D. Baits
Rationale: Small airborne particles are highly susceptible to drift.
7. What does LD50 measure?
A. Environmental persistence
B. Product shelf life
C. Acute toxicity level
D. Residue breakdown
Rationale: LD50 expresses how toxic a substance is based on lethal
dosage.
8. The best way to dispose of empty pesticide containers is to:
A. Burn them
B. Triple rinse and follow label disposal directions
C. Refill them with water
D. Store them indefinitely
Rationale: Triple-rinsing ensures no concentrated residues remain
before disposal.
