Delaware Category 3 — Ornamental and Turf Pest
Control Examination Questions And Correct
Answers (Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary purpose of Integrated Pest Management
(IPM)?
A. Eliminate all pests immediately
B. Use only chemical pesticides
C. Combine multiple pest control methods to manage pests
economically and environmentally
D. Prevent all plant growth
Answer: C
IPM integrates cultural, biological, mechanical, and chemical methods
to manage pests in a sustainable and cost-effective way.
2. Which pest control method uses natural predators to reduce pest
populations?
,A. Chemical control
B. Biological control
C. Mechanical control
D. Cultural control
Answer: B
Biological control uses living organisms such as predators, parasites, or
pathogens to control pests.
3. What is the best definition of a pesticide?
A. Any chemical that kills only insects
B. A substance used to prevent, destroy, or repel pests
C. A fertilizer for plants
D. A plant growth regulator only
Answer: B
A pesticide is any substance used to control pests including insects,
weeds, fungi, and rodents.
4. Which is a symptom of pesticide resistance?
A. Increased pest mortality
B. Decreased need for pesticide use
,C. Pests surviving applications that once controlled them
D. Improved plant growth
Answer: C
Resistance occurs when pests survive treatments that previously
controlled them.
5. What is the role of a surfactant in pesticide applications?
A. Increase evaporation
B. Improve spray coverage and absorption
C. Kill pests directly
D. Dilute pesticide concentration
Answer: B
Surfactants help pesticide droplets spread and adhere better to plant
surfaces.
6. Which label section gives information on hazards to humans and
animals?
A. Directions for use
B. Environmental hazards
, C. Precautionary statements
D. Storage instructions
Answer: C
Precautionary statements describe risks to humans, animals, and the
environment.
7. What is a pre-emergent herbicide used for?
A. Killing mature weeds
B. Preventing weed seed germination
C. Fertilizing turfgrass
D. Increasing soil pH
Answer: B
Pre-emergent herbicides stop weed seeds from germinating.
8. Which factor most affects pesticide effectiveness?
A. Weather conditions
B. Soil color
C. Plant height only
D. Equipment brand
Control Examination Questions And Correct
Answers (Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary purpose of Integrated Pest Management
(IPM)?
A. Eliminate all pests immediately
B. Use only chemical pesticides
C. Combine multiple pest control methods to manage pests
economically and environmentally
D. Prevent all plant growth
Answer: C
IPM integrates cultural, biological, mechanical, and chemical methods
to manage pests in a sustainable and cost-effective way.
2. Which pest control method uses natural predators to reduce pest
populations?
,A. Chemical control
B. Biological control
C. Mechanical control
D. Cultural control
Answer: B
Biological control uses living organisms such as predators, parasites, or
pathogens to control pests.
3. What is the best definition of a pesticide?
A. Any chemical that kills only insects
B. A substance used to prevent, destroy, or repel pests
C. A fertilizer for plants
D. A plant growth regulator only
Answer: B
A pesticide is any substance used to control pests including insects,
weeds, fungi, and rodents.
4. Which is a symptom of pesticide resistance?
A. Increased pest mortality
B. Decreased need for pesticide use
,C. Pests surviving applications that once controlled them
D. Improved plant growth
Answer: C
Resistance occurs when pests survive treatments that previously
controlled them.
5. What is the role of a surfactant in pesticide applications?
A. Increase evaporation
B. Improve spray coverage and absorption
C. Kill pests directly
D. Dilute pesticide concentration
Answer: B
Surfactants help pesticide droplets spread and adhere better to plant
surfaces.
6. Which label section gives information on hazards to humans and
animals?
A. Directions for use
B. Environmental hazards
, C. Precautionary statements
D. Storage instructions
Answer: C
Precautionary statements describe risks to humans, animals, and the
environment.
7. What is a pre-emergent herbicide used for?
A. Killing mature weeds
B. Preventing weed seed germination
C. Fertilizing turfgrass
D. Increasing soil pH
Answer: B
Pre-emergent herbicides stop weed seeds from germinating.
8. Which factor most affects pesticide effectiveness?
A. Weather conditions
B. Soil color
C. Plant height only
D. Equipment brand
