Charlotte Commercial Pesticide
Applicator - Ornamental Pest Control
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download
Pdf
1. Which of the following best describes the primary objective of
ornamental pest management in a commercial landscape setting?
A. To eliminate all insect life in the landscape permanently
B. To maintain aesthetic plant quality while keeping pest populations below
damaging levels
C. To rely exclusively on chemical pesticides for all pest problems
D. To prevent all plant diseases through genetic modification
Correct Answer: B. The primary objective of ornamental pest management
is to maintain plant health and appearance while keeping pest populations
at economically or aesthetically acceptable levels rather than attempting
total eradication.
2. Which pest is most commonly associated with causing stippling
damage and fine webbing on ornamental plants?
,A. Whiteflies
B. Aphids
C. Spider mites
D. Leaf miners
Correct Answer: C. Spider mites feed on plant cells causing stippling and
often produce fine webbing, especially in hot, dry conditions.
3. What is the most important first step in an Integrated Pest
Management (IPM) program?
A. Applying a broad-spectrum pesticide
B. Routine calendar spraying
C. Correct pest identification and monitoring
D. Increasing fertilizer applications
Correct Answer: C. Accurate identification and monitoring of pests is
essential in IPM to ensure correct and targeted management decisions.
4. Which life stage of an insect is often the most susceptible to
insecticides?
A. Egg stage
B. Pupae stage
C. Actively feeding larval stage
D. Dormant overwintering stage
Correct Answer: C. Actively feeding larvae are usually most susceptible
because they ingest or come into direct contact with pesticides.
5. What is the main purpose of a surfactant in ornamental pesticide
applications?
A. To increase pesticide toxicity
B. To act as a fertilizer
, C. To improve spray coverage and adhesion on plant surfaces
D. To reduce pesticide cost
Correct Answer: C. Surfactants reduce surface tension, improving spreading
and sticking of spray solutions on plant surfaces.
6. Which of the following is a key characteristic of broadleaf ornamental
plants?
A. Parallel veins and fibrous roots
B. Narrow leaves with a single cotyledon
C. Net-like leaf venation and broad leaves
D. Needle-like foliage and cones
Correct Answer: C. Broadleaf plants are identified by wide leaves with net-
like venation.
7. Which pest is a common defoliator of ornamental trees and shrubs?
A. Japanese beetle
B. Aphid
C. Spider mite
D. Scale insect
Correct Answer: A. Japanese beetles feed on foliage of many ornamental
plants, often causing significant defoliation.
8. What is the primary advantage of systemic insecticides in ornamental
pest control?
A. They only remain on leaf surfaces
B. They are absorbed and move within the plant tissue
C. They kill only adult insects on contact
D. They have no environmental impact
Applicator - Ornamental Pest Control
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download
1. Which of the following best describes the primary objective of
ornamental pest management in a commercial landscape setting?
A. To eliminate all insect life in the landscape permanently
B. To maintain aesthetic plant quality while keeping pest populations below
damaging levels
C. To rely exclusively on chemical pesticides for all pest problems
D. To prevent all plant diseases through genetic modification
Correct Answer: B. The primary objective of ornamental pest management
is to maintain plant health and appearance while keeping pest populations
at economically or aesthetically acceptable levels rather than attempting
total eradication.
2. Which pest is most commonly associated with causing stippling
damage and fine webbing on ornamental plants?
,A. Whiteflies
B. Aphids
C. Spider mites
D. Leaf miners
Correct Answer: C. Spider mites feed on plant cells causing stippling and
often produce fine webbing, especially in hot, dry conditions.
3. What is the most important first step in an Integrated Pest
Management (IPM) program?
A. Applying a broad-spectrum pesticide
B. Routine calendar spraying
C. Correct pest identification and monitoring
D. Increasing fertilizer applications
Correct Answer: C. Accurate identification and monitoring of pests is
essential in IPM to ensure correct and targeted management decisions.
4. Which life stage of an insect is often the most susceptible to
insecticides?
A. Egg stage
B. Pupae stage
C. Actively feeding larval stage
D. Dormant overwintering stage
Correct Answer: C. Actively feeding larvae are usually most susceptible
because they ingest or come into direct contact with pesticides.
5. What is the main purpose of a surfactant in ornamental pesticide
applications?
A. To increase pesticide toxicity
B. To act as a fertilizer
, C. To improve spray coverage and adhesion on plant surfaces
D. To reduce pesticide cost
Correct Answer: C. Surfactants reduce surface tension, improving spreading
and sticking of spray solutions on plant surfaces.
6. Which of the following is a key characteristic of broadleaf ornamental
plants?
A. Parallel veins and fibrous roots
B. Narrow leaves with a single cotyledon
C. Net-like leaf venation and broad leaves
D. Needle-like foliage and cones
Correct Answer: C. Broadleaf plants are identified by wide leaves with net-
like venation.
7. Which pest is a common defoliator of ornamental trees and shrubs?
A. Japanese beetle
B. Aphid
C. Spider mite
D. Scale insect
Correct Answer: A. Japanese beetles feed on foliage of many ornamental
plants, often causing significant defoliation.
8. What is the primary advantage of systemic insecticides in ornamental
pest control?
A. They only remain on leaf surfaces
B. They are absorbed and move within the plant tissue
C. They kill only adult insects on contact
D. They have no environmental impact
