Vermont Category 3b — 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 controls
C. Prevent pest damage using multiple strategies
D. Increase pesticide application frequency
Answer: C
Rationale: IPM focuses on combining cultural, biological, mechanical,
and chemical tools to prevent pest damage rather than relying solely
on pesticides.
2. Which turfgrass pest is most commonly associated with white grubs?
A. Beetle larvae
, B. Aphids
C. Spider mites
D. Cutworms
Answer: A
Rationale: White grubs are the larval stage of beetles such as
Japanese beetles and June beetles.
3. What is the best time to apply preventive control for white grubs?
A. Winter
B. Early spring
C. Mid to late summer
D. Late fall
Answer: C
Rationale: Eggs hatch in summer, and early larval stages are most
susceptible to treatment.
4. Which symptom is most typical of drought stress in turf?
A. Circular dead patches with mushrooms
B. Bluish-gray color and footprint retention
C. Chewed leaf tips
D. Wilting only at night
Answer: B
Rationale: Drought-stressed turf often turns bluish-gray and retains
footprints due to reduced turgor pressure.
,5. Which pest feeds by sucking plant sap?
A. Armyworms
B. White grubs
C. Aphids
D. Sod webworms
Answer: C
Rationale: Aphids are piercing-sucking insects that remove plant
juices.
6. What is thatch in turfgrass systems?
A. A type of fertilizer
B. A layer of dead and living organic matter between soil and grass
C. A fungal disease
D. A pesticide residue layer
Answer: B
Rationale: Thatch is accumulated organic material that can harbor
pests and disease.
7. Excessive thatch buildup can lead to:
A. Improved drainage
B. Increased pesticide effectiveness
C. Pest and disease problems
D. Reduced irrigation needs
Answer: C
, Rationale: Thatch creates a favorable environment for pests and
pathogens.
8. Which mowing practice helps reduce turf stress?
A. Cutting more than 50% of blade length
B. Mowing frequently at proper height
C. Leaving clippings in large clumps
D. Mowing only once per month
Answer: B
Rationale: Frequent mowing at proper height maintains turf health
and reduces stress.
9. What is the best method for preventing weed invasion in turf?
A. Heavy herbicide use
B. Healthy, dense turf maintenance
C. Removing all soil nutrients
D. Watering only at night
Answer: B
Rationale: Dense, healthy turf competes with weeds and reduces
establishment opportunities.
10. Crabgrass is classified as:
A. Perennial broadleaf weed
B. Annual grassy weed
C. Perennial grassy weed
D. Moss species
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 controls
C. Prevent pest damage using multiple strategies
D. Increase pesticide application frequency
Answer: C
Rationale: IPM focuses on combining cultural, biological, mechanical,
and chemical tools to prevent pest damage rather than relying solely
on pesticides.
2. Which turfgrass pest is most commonly associated with white grubs?
A. Beetle larvae
, B. Aphids
C. Spider mites
D. Cutworms
Answer: A
Rationale: White grubs are the larval stage of beetles such as
Japanese beetles and June beetles.
3. What is the best time to apply preventive control for white grubs?
A. Winter
B. Early spring
C. Mid to late summer
D. Late fall
Answer: C
Rationale: Eggs hatch in summer, and early larval stages are most
susceptible to treatment.
4. Which symptom is most typical of drought stress in turf?
A. Circular dead patches with mushrooms
B. Bluish-gray color and footprint retention
C. Chewed leaf tips
D. Wilting only at night
Answer: B
Rationale: Drought-stressed turf often turns bluish-gray and retains
footprints due to reduced turgor pressure.
,5. Which pest feeds by sucking plant sap?
A. Armyworms
B. White grubs
C. Aphids
D. Sod webworms
Answer: C
Rationale: Aphids are piercing-sucking insects that remove plant
juices.
6. What is thatch in turfgrass systems?
A. A type of fertilizer
B. A layer of dead and living organic matter between soil and grass
C. A fungal disease
D. A pesticide residue layer
Answer: B
Rationale: Thatch is accumulated organic material that can harbor
pests and disease.
7. Excessive thatch buildup can lead to:
A. Improved drainage
B. Increased pesticide effectiveness
C. Pest and disease problems
D. Reduced irrigation needs
Answer: C
, Rationale: Thatch creates a favorable environment for pests and
pathogens.
8. Which mowing practice helps reduce turf stress?
A. Cutting more than 50% of blade length
B. Mowing frequently at proper height
C. Leaving clippings in large clumps
D. Mowing only once per month
Answer: B
Rationale: Frequent mowing at proper height maintains turf health
and reduces stress.
9. What is the best method for preventing weed invasion in turf?
A. Heavy herbicide use
B. Healthy, dense turf maintenance
C. Removing all soil nutrients
D. Watering only at night
Answer: B
Rationale: Dense, healthy turf competes with weeds and reduces
establishment opportunities.
10. Crabgrass is classified as:
A. Perennial broadleaf weed
B. Annual grassy weed
C. Perennial grassy weed
D. Moss species
