Virginia Commercial Pesticide
Applicator Category 3B Turf Pest Control
Certification Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationale 2026 Q&A| Instant
Download Pdf
1. Which of the following is the primary goal of integrated pest
management (IPM) in turf pest control?
A. To completely eliminate all pests
B. To manage pest populations at acceptable levels while minimizing
environmental impact
C. To encourage the use of chemical pesticides only
D. To reduce turf growth rates
Integrated pest management seeks to balance pest control with
environmental protection, using cultural, biological, and chemical
tactics only when necessary.
2. What is the best cultural practice to reduce dollar spot disease in
turfgrass?
A. Frequent deep watering at night
B. Proper mowing height and frequency
C. Reducing soil aeration
, D. Applying high rates of nitrogen
Maintaining correct mowing practices reduces disease susceptibility
by promoting healthy turf and reducing leaf wetness periods.
3. A turfgrass area shows irregular brown patches with white “cobweb”
growth in the early morning. This is most likely:
A. Brown patch
B. Rust
C. Snow mold
D. Red thread
Snow mold typically forms under snow cover, producing tan patches
with cobwebby mycelium when snow melts.
4. Which of the following insect pests bores into the stems of turfgrass
causing thinning and yellowing?
A. Billbugs
B. Sod webworms
C. White grubs
D. Chinch bugs
White grubs feed on grass roots, leading to weakened turf that thins
and turns yellow.
5. What environmental condition most favors brown patch disease
development?
A. Cool, dry weather
B. Low soil pH
C. Warm, humid conditions with extended leaf wetness
D. Sandy soils
Brown patch thrives in warm, wet conditions when foliage remains
wet for long periods.
6. A soil test indicates a pH of 5.2 in turf. To raise the pH to optimal range,
which amendment should be applied?
, A. Sulfur
B. Urea
C. Lime
D. Gypsum
Lime raises soil pH and is commonly used to correct acidic soils for
turfgrass health.
7. Which pesticide signal word indicates the highest level of acute
toxicity?
A. Caution
B. Warning
C. Danger
D. None required
“Danger” denotes the highest toxicity category on pesticide labels.
8. What is the mode of action of most systemic fungicides used in turf
disease control?
A. Contact inhibition only
B. Absorbed and translocated within the plant
C. Soil sterilization
D. Immediate insect paralysis
Systemic fungicides are taken up by plants and move to protect new
growth.
9. Which of the following is a preemergence herbicide target?
A. Dandelion
B. Crabgrass seedlings
C. Clover
D. Broadleaf plantain
Preemergence herbicides prevent weed seed germination and are
effective on crabgrass seedlings.
Applicator Category 3B Turf Pest Control
Certification Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationale 2026 Q&A| Instant
Download Pdf
1. Which of the following is the primary goal of integrated pest
management (IPM) in turf pest control?
A. To completely eliminate all pests
B. To manage pest populations at acceptable levels while minimizing
environmental impact
C. To encourage the use of chemical pesticides only
D. To reduce turf growth rates
Integrated pest management seeks to balance pest control with
environmental protection, using cultural, biological, and chemical
tactics only when necessary.
2. What is the best cultural practice to reduce dollar spot disease in
turfgrass?
A. Frequent deep watering at night
B. Proper mowing height and frequency
C. Reducing soil aeration
, D. Applying high rates of nitrogen
Maintaining correct mowing practices reduces disease susceptibility
by promoting healthy turf and reducing leaf wetness periods.
3. A turfgrass area shows irregular brown patches with white “cobweb”
growth in the early morning. This is most likely:
A. Brown patch
B. Rust
C. Snow mold
D. Red thread
Snow mold typically forms under snow cover, producing tan patches
with cobwebby mycelium when snow melts.
4. Which of the following insect pests bores into the stems of turfgrass
causing thinning and yellowing?
A. Billbugs
B. Sod webworms
C. White grubs
D. Chinch bugs
White grubs feed on grass roots, leading to weakened turf that thins
and turns yellow.
5. What environmental condition most favors brown patch disease
development?
A. Cool, dry weather
B. Low soil pH
C. Warm, humid conditions with extended leaf wetness
D. Sandy soils
Brown patch thrives in warm, wet conditions when foliage remains
wet for long periods.
6. A soil test indicates a pH of 5.2 in turf. To raise the pH to optimal range,
which amendment should be applied?
, A. Sulfur
B. Urea
C. Lime
D. Gypsum
Lime raises soil pH and is commonly used to correct acidic soils for
turfgrass health.
7. Which pesticide signal word indicates the highest level of acute
toxicity?
A. Caution
B. Warning
C. Danger
D. None required
“Danger” denotes the highest toxicity category on pesticide labels.
8. What is the mode of action of most systemic fungicides used in turf
disease control?
A. Contact inhibition only
B. Absorbed and translocated within the plant
C. Soil sterilization
D. Immediate insect paralysis
Systemic fungicides are taken up by plants and move to protect new
growth.
9. Which of the following is a preemergence herbicide target?
A. Dandelion
B. Crabgrass seedlings
C. Clover
D. Broadleaf plantain
Preemergence herbicides prevent weed seed germination and are
effective on crabgrass seedlings.
