OKLAHOMA CATEGORY 3 ORNAMENTAL AND
TURF PEST CONTROL EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFED ANSWERS) Q&A
2027|INSTANT FOWNLOAD PDF
1. Which pest is most commonly associated with turfgrass
damage in Oklahoma?
A. Aphids
B. Grubs
C. Fruit flies
D. Termites
Rationale: White grubs are major root-feeding pests in turf.
Correct Answer: B. Grubs
2. The primary purpose of Integrated Pest Management (IPM)
is to:
A. Eliminate all pests permanently
B. Use only chemical pesticides
C. Reduce pest populations to acceptable levels
D. Increase pesticide resistance
Rationale: IPM focuses on control, not eradication.
Correct Answer: C. Reduce pest populations to acceptable levels
,3. Pre-emergent herbicides are applied:
A. After weeds emerge
B. Before weed seeds germinate
C. Only in winter
D. Only on trees
Rationale: They prevent germination of weed seeds.
Correct Answer: B. Before weed seeds germinate
4. Which is a systemic pesticide?
A. One that stays on leaf surface
B. One that penetrates plant tissues
C. One that evaporates quickly
D. One that only kills insects on contact
Rationale: Systemics move within plant tissues.
Correct Answer: B. One that penetrates plant tissues
5. The best time to apply post-emergent herbicides is when
weeds are:
A. Dormant
B. Actively growing
C. Dead
D. Seeding only
Rationale: Active growth improves absorption.
Correct Answer: B. Actively growing
,6. What does a fungicide control?
A. Insects
B. Weeds
C. Fungi
D. Rodents
Rationale: Fungicides target fungal diseases.
Correct Answer: C. Fungi
7. The “label” on a pesticide container is:
A. Optional guide
B. Legal document
C. Marketing tool
D. Safety suggestion
Rationale: The label is legally binding.
Correct Answer: B. Legal document
8. Which insect causes tunneling mounds in turf?
A. Aphids
B. Ants
C. Sod webworms
D. Leaf miners
Rationale: Ants build visible mounds.
Correct Answer: B. Ants
, 9. Overwatering turf can promote:
A. Reduced weeds
B. Fungal diseases
C. Soil sterilization
D. Insect elimination
Rationale: Moist conditions favor fungi.
Correct Answer: B. Fungal diseases
10. Herbicides that kill all vegetation are called:
A. Selective
B. Non-selective
C. Systemic only
D. Biological
Rationale: Non-selective kill all plants.
Correct Answer: B. Non-selective
11. The safest way to apply pesticides is:
A. Fast application
B. According to label instructions
C. Increasing dosage
D. Mixing chemicals randomly
Rationale: Label compliance ensures safety.
Correct Answer: B. According to label instructions
TURF PEST CONTROL EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFED ANSWERS) Q&A
2027|INSTANT FOWNLOAD PDF
1. Which pest is most commonly associated with turfgrass
damage in Oklahoma?
A. Aphids
B. Grubs
C. Fruit flies
D. Termites
Rationale: White grubs are major root-feeding pests in turf.
Correct Answer: B. Grubs
2. The primary purpose of Integrated Pest Management (IPM)
is to:
A. Eliminate all pests permanently
B. Use only chemical pesticides
C. Reduce pest populations to acceptable levels
D. Increase pesticide resistance
Rationale: IPM focuses on control, not eradication.
Correct Answer: C. Reduce pest populations to acceptable levels
,3. Pre-emergent herbicides are applied:
A. After weeds emerge
B. Before weed seeds germinate
C. Only in winter
D. Only on trees
Rationale: They prevent germination of weed seeds.
Correct Answer: B. Before weed seeds germinate
4. Which is a systemic pesticide?
A. One that stays on leaf surface
B. One that penetrates plant tissues
C. One that evaporates quickly
D. One that only kills insects on contact
Rationale: Systemics move within plant tissues.
Correct Answer: B. One that penetrates plant tissues
5. The best time to apply post-emergent herbicides is when
weeds are:
A. Dormant
B. Actively growing
C. Dead
D. Seeding only
Rationale: Active growth improves absorption.
Correct Answer: B. Actively growing
,6. What does a fungicide control?
A. Insects
B. Weeds
C. Fungi
D. Rodents
Rationale: Fungicides target fungal diseases.
Correct Answer: C. Fungi
7. The “label” on a pesticide container is:
A. Optional guide
B. Legal document
C. Marketing tool
D. Safety suggestion
Rationale: The label is legally binding.
Correct Answer: B. Legal document
8. Which insect causes tunneling mounds in turf?
A. Aphids
B. Ants
C. Sod webworms
D. Leaf miners
Rationale: Ants build visible mounds.
Correct Answer: B. Ants
, 9. Overwatering turf can promote:
A. Reduced weeds
B. Fungal diseases
C. Soil sterilization
D. Insect elimination
Rationale: Moist conditions favor fungi.
Correct Answer: B. Fungal diseases
10. Herbicides that kill all vegetation are called:
A. Selective
B. Non-selective
C. Systemic only
D. Biological
Rationale: Non-selective kill all plants.
Correct Answer: B. Non-selective
11. The safest way to apply pesticides is:
A. Fast application
B. According to label instructions
C. Increasing dosage
D. Mixing chemicals randomly
Rationale: Label compliance ensures safety.
Correct Answer: B. According to label instructions
