Virginia Commercial Pesticide Applicators Core
Exam | Actual Questions & Answers | PDF Study
Guide 2026
1. What is the primary purpose of the Core Exam?
a) To test knowledge of a single pesticide category
b) To assess general pesticide safety, laws, and application knowledge
c) To evaluate mechanical skills only
d) To certify pesticide manufacturers
Answer: b) To assess general pesticide safety, laws, and application knowledge –
The Core Exam covers foundational knowledge for all commercial applicators.
2. Which federal law governs pesticide registration and use in the U.S.?
a) Clean Air Act
b) FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act)
c) Endangered Species Act
d) Clean Water Act
Answer: b) FIFRA – Requires proper registration, labeling, and use of pesticides.
3. What information is legally required on a pesticide label?
a) Signal word, active ingredient, directions for use
b) Color of the container only
c) Price
d) Manufacturer phone number only
Answer: a) Signal word, active ingredient, directions for use – Label instructions are
legally enforceable.
4. What does the signal word “Danger” indicate?
a) Least toxic
b) Moderate toxicity
c) High toxicity
d) No toxicity
Answer: c) High toxicity – “Danger” signals highly toxic products.
5. Which PPE is recommended when mixing liquid pesticides?
a) Gloves, goggles, long sleeves
b) Sandals and shorts
c) Only a hat
,d) No PPE
Answer: a) Gloves, goggles, long sleeves – Protects skin and eyes from chemical
exposure.
6. Why is pesticide calibration important?
a) To reduce chemical use and avoid over/under-application
b) To determine pesticide color
c) To label the container
d) To increase drift
Answer: a) To reduce chemical use and avoid over/under-application – Ensures safe
and effective treatment.
7. What is the first step before applying any pesticide?
a) Read the label
b) Mix with any chemical
c) Spray immediately
d) Remove PPE
Answer: a) Read the label – Legal and safety requirement.
8. Which type of pesticide moves within a plant to kill pests internally?
a) Contact
b) Systemic
c) Granular
d) Non-selective
Answer: b) Systemic – Absorbed and translocated within plant tissue.
9. Which practice reduces pesticide drift?
a) Spraying on windy days
b) Using coarse droplets and low pressure
c) Increasing nozzle height
d) High-speed spraying
Answer: b) Using coarse droplets and low pressure – Minimizes off-target movement.
10. What is a pre-emergent herbicide used for?
a) Killing established weeds
b) Preventing weed seed germination
c) Fertilizing plants
d) Killing insects
Answer: b) Preventing weed seed germination – Applied before weeds emerge.
, 11. Which is a common environmental concern with pesticides?
a) Drift
b) Runoff into water
c) Residual contamination
d) All of the above
Answer: d) All of the above – Environmental impact must be minimized.
12. Which type of pest does a fungicide control?
a) Insects
b) Weeds
c) Fungi
d) Mites
Answer: c) Fungi – Targets fungal pathogens.
13. What is the purpose of a buffer zone?
a) Protect water sources and non-target areas
b) Increase pesticide efficiency
c) Reduce chemical cost
d) Mark field boundaries only
Answer: a) Protect water sources and non-target areas – Minimizes contamination.
14. Which pest control method uses natural enemies?
a) Biological control
b) Chemical control
c) Mechanical control
d) Cultural control
Answer: a) Biological control – Predators or parasites reduce pest populations.
15. Which pesticide formulation minimizes inhalation exposure?
a) Dust
b) Granular
c) Aerosol
d) Spray mist
Answer: b) Granular – Less airborne drift than sprays.
16. Which federal agency regulates pesticide distribution and use?
a) USDA
b) EPA
c) FDA
Exam | Actual Questions & Answers | PDF Study
Guide 2026
1. What is the primary purpose of the Core Exam?
a) To test knowledge of a single pesticide category
b) To assess general pesticide safety, laws, and application knowledge
c) To evaluate mechanical skills only
d) To certify pesticide manufacturers
Answer: b) To assess general pesticide safety, laws, and application knowledge –
The Core Exam covers foundational knowledge for all commercial applicators.
2. Which federal law governs pesticide registration and use in the U.S.?
a) Clean Air Act
b) FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act)
c) Endangered Species Act
d) Clean Water Act
Answer: b) FIFRA – Requires proper registration, labeling, and use of pesticides.
3. What information is legally required on a pesticide label?
a) Signal word, active ingredient, directions for use
b) Color of the container only
c) Price
d) Manufacturer phone number only
Answer: a) Signal word, active ingredient, directions for use – Label instructions are
legally enforceable.
4. What does the signal word “Danger” indicate?
a) Least toxic
b) Moderate toxicity
c) High toxicity
d) No toxicity
Answer: c) High toxicity – “Danger” signals highly toxic products.
5. Which PPE is recommended when mixing liquid pesticides?
a) Gloves, goggles, long sleeves
b) Sandals and shorts
c) Only a hat
,d) No PPE
Answer: a) Gloves, goggles, long sleeves – Protects skin and eyes from chemical
exposure.
6. Why is pesticide calibration important?
a) To reduce chemical use and avoid over/under-application
b) To determine pesticide color
c) To label the container
d) To increase drift
Answer: a) To reduce chemical use and avoid over/under-application – Ensures safe
and effective treatment.
7. What is the first step before applying any pesticide?
a) Read the label
b) Mix with any chemical
c) Spray immediately
d) Remove PPE
Answer: a) Read the label – Legal and safety requirement.
8. Which type of pesticide moves within a plant to kill pests internally?
a) Contact
b) Systemic
c) Granular
d) Non-selective
Answer: b) Systemic – Absorbed and translocated within plant tissue.
9. Which practice reduces pesticide drift?
a) Spraying on windy days
b) Using coarse droplets and low pressure
c) Increasing nozzle height
d) High-speed spraying
Answer: b) Using coarse droplets and low pressure – Minimizes off-target movement.
10. What is a pre-emergent herbicide used for?
a) Killing established weeds
b) Preventing weed seed germination
c) Fertilizing plants
d) Killing insects
Answer: b) Preventing weed seed germination – Applied before weeds emerge.
, 11. Which is a common environmental concern with pesticides?
a) Drift
b) Runoff into water
c) Residual contamination
d) All of the above
Answer: d) All of the above – Environmental impact must be minimized.
12. Which type of pest does a fungicide control?
a) Insects
b) Weeds
c) Fungi
d) Mites
Answer: c) Fungi – Targets fungal pathogens.
13. What is the purpose of a buffer zone?
a) Protect water sources and non-target areas
b) Increase pesticide efficiency
c) Reduce chemical cost
d) Mark field boundaries only
Answer: a) Protect water sources and non-target areas – Minimizes contamination.
14. Which pest control method uses natural enemies?
a) Biological control
b) Chemical control
c) Mechanical control
d) Cultural control
Answer: a) Biological control – Predators or parasites reduce pest populations.
15. Which pesticide formulation minimizes inhalation exposure?
a) Dust
b) Granular
c) Aerosol
d) Spray mist
Answer: b) Granular – Less airborne drift than sprays.
16. Which federal agency regulates pesticide distribution and use?
a) USDA
b) EPA
c) FDA
