Virginia Category 2b — Ornamental
Pest Control Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
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1. What is the primary purpose of Integrated Pest Management (IPM)?
A. Eliminate all pests immediately
B. Rely only on chemical control
C. Combine multiple pest control methods
D. Increase pesticide use
Answer: C. Combine multiple pest control methods
Rationale: IPM uses biological, cultural, mechanical, and chemical methods
to manage pests economically and safely.
2. Which pesticide label statement is legally binding?
A. Advertising claims
B. Signal words only
, C. Directions for use
D. Manufacturer opinions
Answer: C. Directions for use
Rationale: The label is a legal document, and directions for use must be
followed by law.
3. What does the signal word “Danger” indicate?
A. Slight toxicity
B. Moderate toxicity
C. High toxicity
D. No toxicity
Answer: C. High toxicity
Rationale: “Danger” indicates the highest level of acute toxicity, often with
severe risks.
4. Which insect is commonly found damaging ornamental shrubs?
A. Aphids
B. Earthworms
C. Honeybees
D. Lady beetles
Answer: A. Aphids
Rationale: Aphids feed on plant sap and weaken ornamental plants.
, 5. What is a miticide used to control?
A. Bacteria
B. Fungi
C. Mites
D. Weeds
Answer: C. Mites
Rationale: Miticides are specifically formulated to control mite pests.
6. Which practice helps prevent pesticide resistance?
A. Increasing dosage
B. Rotating pesticide modes of action
C. Using only one pesticide
D. Applying more frequently
Answer: B. Rotating pesticide modes of action
Rationale: Rotation reduces selection pressure on pest populations.
7. What is the best time to apply most insecticides in ornamentals?
A. During rain
B. When pests are absent
C. When pests are active and vulnerable
D. At night only
Answer: C. When pests are active and vulnerable
Rationale: Timing applications increases effectiveness.
, 8. Which is a sign of fungal disease in ornamentals?
A. Holes in leaves
B. Leaf spots
C. Bark chewing
D. Wilting only from drought
Answer: B. Leaf spots
Rationale: Many fungi produce characteristic spots on leaves.
9. What does herbicide selectivity mean?
A. Kills all plants
B. Targets specific plants
C. Only works in soil
D. Works only on insects
Answer: B. Targets specific plants
Rationale: Selective herbicides affect certain species while sparing others.
10. What is calibration of sprayers?
A. Cleaning equipment
B. Measuring correct application rate
C. Mixing pesticides
D. Storing chemicals
Answer: B. Measuring correct application rate
Rationale: Calibration ensures accurate pesticide delivery.
Pest Control Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of Integrated Pest Management (IPM)?
A. Eliminate all pests immediately
B. Rely only on chemical control
C. Combine multiple pest control methods
D. Increase pesticide use
Answer: C. Combine multiple pest control methods
Rationale: IPM uses biological, cultural, mechanical, and chemical methods
to manage pests economically and safely.
2. Which pesticide label statement is legally binding?
A. Advertising claims
B. Signal words only
, C. Directions for use
D. Manufacturer opinions
Answer: C. Directions for use
Rationale: The label is a legal document, and directions for use must be
followed by law.
3. What does the signal word “Danger” indicate?
A. Slight toxicity
B. Moderate toxicity
C. High toxicity
D. No toxicity
Answer: C. High toxicity
Rationale: “Danger” indicates the highest level of acute toxicity, often with
severe risks.
4. Which insect is commonly found damaging ornamental shrubs?
A. Aphids
B. Earthworms
C. Honeybees
D. Lady beetles
Answer: A. Aphids
Rationale: Aphids feed on plant sap and weaken ornamental plants.
, 5. What is a miticide used to control?
A. Bacteria
B. Fungi
C. Mites
D. Weeds
Answer: C. Mites
Rationale: Miticides are specifically formulated to control mite pests.
6. Which practice helps prevent pesticide resistance?
A. Increasing dosage
B. Rotating pesticide modes of action
C. Using only one pesticide
D. Applying more frequently
Answer: B. Rotating pesticide modes of action
Rationale: Rotation reduces selection pressure on pest populations.
7. What is the best time to apply most insecticides in ornamentals?
A. During rain
B. When pests are absent
C. When pests are active and vulnerable
D. At night only
Answer: C. When pests are active and vulnerable
Rationale: Timing applications increases effectiveness.
, 8. Which is a sign of fungal disease in ornamentals?
A. Holes in leaves
B. Leaf spots
C. Bark chewing
D. Wilting only from drought
Answer: B. Leaf spots
Rationale: Many fungi produce characteristic spots on leaves.
9. What does herbicide selectivity mean?
A. Kills all plants
B. Targets specific plants
C. Only works in soil
D. Works only on insects
Answer: B. Targets specific plants
Rationale: Selective herbicides affect certain species while sparing others.
10. What is calibration of sprayers?
A. Cleaning equipment
B. Measuring correct application rate
C. Mixing pesticides
D. Storing chemicals
Answer: B. Measuring correct application rate
Rationale: Calibration ensures accurate pesticide delivery.
