QAC Category B – Landscape Maintenance
License Practice Exam QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS)
PLUS RATIONALES 2026 Q&A | INSTANT
DOWNLOAD PDF
1. Which of the following is a selective herbicide that controls broadleaf
weeds but not grasses?
A. Glyphosate
B. 2,4-D
C. Paraquat
D. Diquat
2,4-D targets broadleaf weeds while leaving most grasses unharmed,
making it a selective herbicide.
2. What is the most important factor influencing the effectiveness of a
pesticide application?
A. Weather
B. Proper timing
C. Pest color
D. Wind direction
,Applying pesticides at the correct time during a pest's life cycle maximizes
effectiveness.
3. Which nozzle type is best for applying herbicides to turf areas?
A. Hollow cone
B. Flat fan
C. Flooding
D. Air induction
Flat fan nozzles provide even coverage, making them suitable for herbicide
applications over turf.
4. What does IPM stand for?
A. Integrated Plant Management
B. Integrated Pest Management
C. Internal Pest Monitoring
D. Irrigation and Pesticide Management
IPM is a strategy that combines multiple approaches to manage pests
effectively and sustainably.
5. Which of the following is a cultural method of pest control?
A. Spraying insecticide
B. Applying herbicide
C. Rotating crops or adjusting irrigation
D. Releasing natural enemies
Cultural controls involve modifying the environment to reduce pest
establishment and reproduction.
6. What should you do before mixing pesticides?
, A. Check the weather
B. Put on gloves
C. Eat lunch
D. Read the label
The pesticide label contains critical safety, usage, and mixing instructions.
7. What is the signal word for the most toxic pesticide?
A. Caution
B. Warning
C. Danger
D. Notice
“Danger” indicates the highest level of acute toxicity among signal words.
8. What is the best time to apply systemic insecticides for root-feeding
grubs?
A. Winter
B. Early summer
C. Spring
D. Late fall
Grubs are most vulnerable in early summer when they are small and
feeding near the surface.
9. Which of the following best describes a contact herbicide?
A. Absorbed by the roots
B. Moves within the plant
C. Kills only plant parts it touches
D. Takes weeks to kill
Contact herbicides kill only the plant tissue they directly touch and don’t
move systemically.
License Practice Exam QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS)
PLUS RATIONALES 2026 Q&A | INSTANT
DOWNLOAD PDF
1. Which of the following is a selective herbicide that controls broadleaf
weeds but not grasses?
A. Glyphosate
B. 2,4-D
C. Paraquat
D. Diquat
2,4-D targets broadleaf weeds while leaving most grasses unharmed,
making it a selective herbicide.
2. What is the most important factor influencing the effectiveness of a
pesticide application?
A. Weather
B. Proper timing
C. Pest color
D. Wind direction
,Applying pesticides at the correct time during a pest's life cycle maximizes
effectiveness.
3. Which nozzle type is best for applying herbicides to turf areas?
A. Hollow cone
B. Flat fan
C. Flooding
D. Air induction
Flat fan nozzles provide even coverage, making them suitable for herbicide
applications over turf.
4. What does IPM stand for?
A. Integrated Plant Management
B. Integrated Pest Management
C. Internal Pest Monitoring
D. Irrigation and Pesticide Management
IPM is a strategy that combines multiple approaches to manage pests
effectively and sustainably.
5. Which of the following is a cultural method of pest control?
A. Spraying insecticide
B. Applying herbicide
C. Rotating crops or adjusting irrigation
D. Releasing natural enemies
Cultural controls involve modifying the environment to reduce pest
establishment and reproduction.
6. What should you do before mixing pesticides?
, A. Check the weather
B. Put on gloves
C. Eat lunch
D. Read the label
The pesticide label contains critical safety, usage, and mixing instructions.
7. What is the signal word for the most toxic pesticide?
A. Caution
B. Warning
C. Danger
D. Notice
“Danger” indicates the highest level of acute toxicity among signal words.
8. What is the best time to apply systemic insecticides for root-feeding
grubs?
A. Winter
B. Early summer
C. Spring
D. Late fall
Grubs are most vulnerable in early summer when they are small and
feeding near the surface.
9. Which of the following best describes a contact herbicide?
A. Absorbed by the roots
B. Moves within the plant
C. Kills only plant parts it touches
D. Takes weeks to kill
Contact herbicides kill only the plant tissue they directly touch and don’t
move systemically.
