Virginia Category 3a — Turf 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 goal of Integrated Pest Management (IPM) in turf
systems?
A. Eliminate all pests immediately
B. Use only chemical pesticides
C. Maintain pests below economic injury levels
D. Increase fertilizer use
Correct Answer: C
Rationale: IPM focuses on keeping pest populations below damaging
levels using multiple control methods, not total elimination.
2. Which turfgrass pest is most associated with irregular brown patches
and nocturnal feeding?
A. White grubs
, B. Armyworms
C. Annual bluegrass
D. Moss
Correct Answer: B
Rationale: Armyworms feed at night and create irregular brown
patches in turf.
3. Pre-emergent herbicides are most effective when applied:
A. After weeds emerge
B. Before weed seeds germinate
C. During drought stress
D. Only in winter
Correct Answer: B
Rationale: Pre-emergent herbicides prevent weed seed germination.
4. White grubs are the larval stage of:
A. Beetles
B. Moths
C. Aphids
D. Flies
Correct Answer: A
Rationale: White grubs are larvae of beetles such as Japanese
beetles.
5. The most important factor affecting pesticide effectiveness is:
A. Brand name
, B. Application timing
C. Container color
D. Spray nozzle type only
Correct Answer: B
Rationale: Proper timing ensures pests are vulnerable and improves
control success.
6. Which disease thrives in cool, wet turf conditions?
A. Brown patch
B. Dollar spot
C. Pythium blight
D. Rust
Correct Answer: C
Rationale: Pythium spreads rapidly in cool, wet environments.
7. The best cultural practice to reduce turf diseases is:
A. Overwatering
B. Proper mowing and drainage
C. Increasing shade
D. Heavy nitrogen in drought
Correct Answer: B
Rationale: Proper cultural practices reduce disease pressure.
8. Broadleaf weeds are characterized by:
A. Parallel veins
B. Narrow leaves
, C. Net-like veins
D. No leaves
Correct Answer: C
Rationale: Broadleaf weeds have netted vein structures.
9. Calibration of spray equipment ensures:
A. Higher pesticide toxicity
B. Accurate application rates
C. Faster pest resistance
D. Reduced need for PPE
Correct Answer: B
Rationale: Calibration ensures correct pesticide delivery rates.
10. What is the major symptom of chinch bug damage?
A. Uniform green turf
B. Yellowing and drought-like patches
C. Rapid flower growth
D. Moss formation
Correct Answer: B
Rationale: Chinch bugs suck plant juices causing drought-like
symptoms.
11. Herbicides that control only grasses in broadleaf turf are called:
A. Non-selective
B. Selective grass killers
C. Pre-emergents only
Control Exam Practice Questions And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary goal of Integrated Pest Management (IPM) in turf
systems?
A. Eliminate all pests immediately
B. Use only chemical pesticides
C. Maintain pests below economic injury levels
D. Increase fertilizer use
Correct Answer: C
Rationale: IPM focuses on keeping pest populations below damaging
levels using multiple control methods, not total elimination.
2. Which turfgrass pest is most associated with irregular brown patches
and nocturnal feeding?
A. White grubs
, B. Armyworms
C. Annual bluegrass
D. Moss
Correct Answer: B
Rationale: Armyworms feed at night and create irregular brown
patches in turf.
3. Pre-emergent herbicides are most effective when applied:
A. After weeds emerge
B. Before weed seeds germinate
C. During drought stress
D. Only in winter
Correct Answer: B
Rationale: Pre-emergent herbicides prevent weed seed germination.
4. White grubs are the larval stage of:
A. Beetles
B. Moths
C. Aphids
D. Flies
Correct Answer: A
Rationale: White grubs are larvae of beetles such as Japanese
beetles.
5. The most important factor affecting pesticide effectiveness is:
A. Brand name
, B. Application timing
C. Container color
D. Spray nozzle type only
Correct Answer: B
Rationale: Proper timing ensures pests are vulnerable and improves
control success.
6. Which disease thrives in cool, wet turf conditions?
A. Brown patch
B. Dollar spot
C. Pythium blight
D. Rust
Correct Answer: C
Rationale: Pythium spreads rapidly in cool, wet environments.
7. The best cultural practice to reduce turf diseases is:
A. Overwatering
B. Proper mowing and drainage
C. Increasing shade
D. Heavy nitrogen in drought
Correct Answer: B
Rationale: Proper cultural practices reduce disease pressure.
8. Broadleaf weeds are characterized by:
A. Parallel veins
B. Narrow leaves
, C. Net-like veins
D. No leaves
Correct Answer: C
Rationale: Broadleaf weeds have netted vein structures.
9. Calibration of spray equipment ensures:
A. Higher pesticide toxicity
B. Accurate application rates
C. Faster pest resistance
D. Reduced need for PPE
Correct Answer: B
Rationale: Calibration ensures correct pesticide delivery rates.
10. What is the major symptom of chinch bug damage?
A. Uniform green turf
B. Yellowing and drought-like patches
C. Rapid flower growth
D. Moss formation
Correct Answer: B
Rationale: Chinch bugs suck plant juices causing drought-like
symptoms.
11. Herbicides that control only grasses in broadleaf turf are called:
A. Non-selective
B. Selective grass killers
C. Pre-emergents only
