New Jersey Category 3B Turf Pest Control
Exam Questions and Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. What is the primary goal of Integrated Pest Management (IPM) in
turfgrass?
A. Eliminate all insects from turf
B. Apply pesticides on a weekly schedule
C. Use multiple strategies to keep pests below damaging levels
D. Fertilize every month regardless of need
Answer: C. Use multiple strategies to keep pests below damaging
levels
Rationale: IPM combines cultural, biological, mechanical, and
chemical methods to manage pests economically and with minimal
environmental impact.
,2. Which turfgrass maintenance practice helps reduce many disease
problems?
A. Watering late every evening
B. Proper mowing height and irrigation management
C. Applying excessive nitrogen
D. Constantly keeping soil saturated
Answer: B. Proper mowing height and irrigation management
Rationale: Healthy turf maintained with proper cultural practices is
less susceptible to diseases and pest outbreaks.
3. Before applying a pesticide, an applicator should always:
A. Guess the application rate
B. Read and follow the label directions
C. Double the labeled dosage for better results
D. Mix all products together automatically
Answer: B. Read and follow the label directions
Rationale: The pesticide label provides legally binding instructions for
safe and effective use.
,4. Which insect commonly feeds on turfgrass roots and is often
controlled in the grub stage?
A. Aphid
B. White grub
C. Thrips
D. Scale insect
Answer: B. White grub
Rationale: White grubs feed below ground on turf roots, causing
thinning and patches of dead grass.
5. A dense, healthy turf stand helps suppress:
A. Weed establishment
B. Rainfall
C. Soil texture changes
D. Sunlight exposure
Answer: A. Weed establishment
Rationale: Thick turf shades the soil surface and reduces opportunities
for weeds to germinate.
, 6. Preemergence herbicides are primarily used to:
A. Kill mature shrubs
B. Prevent weed seedling establishment
C. Fertilize turfgrass
D. Increase soil pH
Answer: B. Prevent weed seedling establishment
Rationale: Preemergence herbicides stop susceptible weeds during
germination before emergence.
7. Which factor most influences pesticide drift?
A. Wind speed
B. Soil color
C. Turf variety
D. Earthworm activity
Answer: A. Wind speed
Rationale: Higher wind speeds increase the movement of spray
droplets away from the target area.
8. Broadleaf weeds are often identified by:
A. Parallel leaf veins only
Exam Questions and Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. What is the primary goal of Integrated Pest Management (IPM) in
turfgrass?
A. Eliminate all insects from turf
B. Apply pesticides on a weekly schedule
C. Use multiple strategies to keep pests below damaging levels
D. Fertilize every month regardless of need
Answer: C. Use multiple strategies to keep pests below damaging
levels
Rationale: IPM combines cultural, biological, mechanical, and
chemical methods to manage pests economically and with minimal
environmental impact.
,2. Which turfgrass maintenance practice helps reduce many disease
problems?
A. Watering late every evening
B. Proper mowing height and irrigation management
C. Applying excessive nitrogen
D. Constantly keeping soil saturated
Answer: B. Proper mowing height and irrigation management
Rationale: Healthy turf maintained with proper cultural practices is
less susceptible to diseases and pest outbreaks.
3. Before applying a pesticide, an applicator should always:
A. Guess the application rate
B. Read and follow the label directions
C. Double the labeled dosage for better results
D. Mix all products together automatically
Answer: B. Read and follow the label directions
Rationale: The pesticide label provides legally binding instructions for
safe and effective use.
,4. Which insect commonly feeds on turfgrass roots and is often
controlled in the grub stage?
A. Aphid
B. White grub
C. Thrips
D. Scale insect
Answer: B. White grub
Rationale: White grubs feed below ground on turf roots, causing
thinning and patches of dead grass.
5. A dense, healthy turf stand helps suppress:
A. Weed establishment
B. Rainfall
C. Soil texture changes
D. Sunlight exposure
Answer: A. Weed establishment
Rationale: Thick turf shades the soil surface and reduces opportunities
for weeds to germinate.
, 6. Preemergence herbicides are primarily used to:
A. Kill mature shrubs
B. Prevent weed seedling establishment
C. Fertilize turfgrass
D. Increase soil pH
Answer: B. Prevent weed seedling establishment
Rationale: Preemergence herbicides stop susceptible weeds during
germination before emergence.
7. Which factor most influences pesticide drift?
A. Wind speed
B. Soil color
C. Turf variety
D. Earthworm activity
Answer: A. Wind speed
Rationale: Higher wind speeds increase the movement of spray
droplets away from the target area.
8. Broadleaf weeds are often identified by:
A. Parallel leaf veins only
