California Pesticide Applicator Certification
Exam Test Questions And Correct Answers
(Verified Answers) Plus Rationales 2025/2026
Q&A | Instant Download Pdf
1. Which of the following is a signal word that indicates the highest level of
toxicity?
A. Warning
B. Danger
C. Caution
D. Poison
“Danger” is the signal word for highly toxic pesticides, indicating a high hazard
to humans.
2. What information is found on the pesticide label?
A. Brand name only
B. Toxicity levels only
C. Directions for use, ingredients, and safety precautions
D. Application equipment types only
The label is a legal document that includes directions for use, safety precautions,
first aid, ingredients, and storage/disposal guidelines.
, 3. Who enforces pesticide regulations in California?
A. U.S. Department of Agriculture
B. Occupational Safety and Health Administration
C. California Department of Pesticide Regulation (DPR)
D. Environmental Protection Agency
DPR is the main regulatory agency in California for pesticide use and
enforcement.
4. What PPE is commonly required when applying pesticides?
A. Safety glasses
B. Cotton shirt
C. Chemical-resistant gloves and goggles
D. Steel-toed boots
Chemical-resistant gloves and goggles protect the applicator from dermal and
eye exposure.
5. What does REI stand for on a pesticide label?
A. Restricted Environmental Impact
B. Restricted Entry Interval
C. Required Equipment Index
D. Residual Exposure Impact
REI indicates the time that must pass before people can re-enter a treated area
without PPE.
6. What is the best way to dispose of pesticide containers?
A. Burn them
B. Triple rinse and recycle or dispose at an approved facility
, C. Throw in the trash
D. Reuse them for water storage
Triple rinsing ensures no residue remains, and disposal must follow state-
approved methods.
7. What type of pesticide controls weeds?
A. Insecticide
B. Fungicide
C. Rodenticide
D. Herbicide
Herbicides are designed to control or kill unwanted plants.
8. A pesticide that moves within a plant is called:
A. Contact pesticide
B. Emulsifiable pesticide
C. Systemic pesticide
D. Organic pesticide
Systemic pesticides are absorbed and move through the plant tissues.
9. What does IPM stand for?
A. Insect Pesticide Management
B. Integrated Pest Management
C. Invasive Pest Monitoring
D. Immediate Pest Measure
IPM uses a combination of techniques for pest control with minimal impact on
the environment.
, 10.When must you notify workers about pesticide applications?
A. After application
B. Monthly
C. Before application and during the REI
D. Only if they ask
Notification is required before the application and must continue through the
REI period.
11.What is the minimum age to obtain a California pesticide applicator
license?
A. 16
B. 18
C. 21
D. No age limit
Applicants must be at least 18 years old.
12.Drift refers to:
A. Movement of pesticides in the soil
B. Groundwater contamination
C. Movement of pesticides through the air to non-target areas
D. Breakdown of pesticides
Drift is the unintended movement of pesticide spray beyond the target area,
often due to wind.
Exam Test Questions And Correct Answers
(Verified Answers) Plus Rationales 2025/2026
Q&A | Instant Download Pdf
1. Which of the following is a signal word that indicates the highest level of
toxicity?
A. Warning
B. Danger
C. Caution
D. Poison
“Danger” is the signal word for highly toxic pesticides, indicating a high hazard
to humans.
2. What information is found on the pesticide label?
A. Brand name only
B. Toxicity levels only
C. Directions for use, ingredients, and safety precautions
D. Application equipment types only
The label is a legal document that includes directions for use, safety precautions,
first aid, ingredients, and storage/disposal guidelines.
, 3. Who enforces pesticide regulations in California?
A. U.S. Department of Agriculture
B. Occupational Safety and Health Administration
C. California Department of Pesticide Regulation (DPR)
D. Environmental Protection Agency
DPR is the main regulatory agency in California for pesticide use and
enforcement.
4. What PPE is commonly required when applying pesticides?
A. Safety glasses
B. Cotton shirt
C. Chemical-resistant gloves and goggles
D. Steel-toed boots
Chemical-resistant gloves and goggles protect the applicator from dermal and
eye exposure.
5. What does REI stand for on a pesticide label?
A. Restricted Environmental Impact
B. Restricted Entry Interval
C. Required Equipment Index
D. Residual Exposure Impact
REI indicates the time that must pass before people can re-enter a treated area
without PPE.
6. What is the best way to dispose of pesticide containers?
A. Burn them
B. Triple rinse and recycle or dispose at an approved facility
, C. Throw in the trash
D. Reuse them for water storage
Triple rinsing ensures no residue remains, and disposal must follow state-
approved methods.
7. What type of pesticide controls weeds?
A. Insecticide
B. Fungicide
C. Rodenticide
D. Herbicide
Herbicides are designed to control or kill unwanted plants.
8. A pesticide that moves within a plant is called:
A. Contact pesticide
B. Emulsifiable pesticide
C. Systemic pesticide
D. Organic pesticide
Systemic pesticides are absorbed and move through the plant tissues.
9. What does IPM stand for?
A. Insect Pesticide Management
B. Integrated Pest Management
C. Invasive Pest Monitoring
D. Immediate Pest Measure
IPM uses a combination of techniques for pest control with minimal impact on
the environment.
, 10.When must you notify workers about pesticide applications?
A. After application
B. Monthly
C. Before application and during the REI
D. Only if they ask
Notification is required before the application and must continue through the
REI period.
11.What is the minimum age to obtain a California pesticide applicator
license?
A. 16
B. 18
C. 21
D. No age limit
Applicants must be at least 18 years old.
12.Drift refers to:
A. Movement of pesticides in the soil
B. Groundwater contamination
C. Movement of pesticides through the air to non-target areas
D. Breakdown of pesticides
Drift is the unintended movement of pesticide spray beyond the target area,
often due to wind.
