Delaware Category 6 — Right-of-Way Pest
Control Exam Questions And Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
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1. The primary objective of vegetation management on rights-of-way
is to:
A. Eliminate all plant growth
B. Promote low-growing, stable plant communities
C. Increase tree density
D. Encourage fast regrowth
Answer: B
Rationale: The goal is to establish and maintain low-growing
vegetation that does not interfere with visibility, access, or utilities.
2. A right-of-way includes areas such as:
A. Residential gardens
B. Public parks only
,C. Roadsides, railways, pipelines, and utility corridors
D. Agricultural fields
Answer: C
Rationale: Rights-of-way are transportation and utility corridors
requiring vegetation control for safety and access.
3. Selective herbicides are preferred in right-of-way work because
they:
A. Kill all plants quickly
B. Target specific unwanted species while preserving desirable plants
C. Cost less
D. Work only in winter
Answer: B
Rationale: Selective control promotes stable vegetation while
removing problem species.
4. The most effective time to control woody brush with systemic
herbicides is:
A. During dormancy
B. During active growth when plants are translocating nutrients
,C. Immediately after rainfall
D. In freezing temperatures
Answer: B
Rationale: Systemic herbicides move with plant sugars during active
growth, improving effectiveness.
5. Basal bark treatment is best used for:
A. Annual weeds
B. Large trees
C. Small woody stems with thin bark
D. Grasses only
Answer: C
Rationale: Basal bark works best on small diameter woody plants with
penetrable bark.
6. A major concern when spraying along roadsides is:
A. Worker fatigue
B. Spray drift to non-target areas
C. Soil compaction
D. Equipment color
, Answer: B
Rationale: Drift can damage desirable plants and contaminate
sensitive areas.
7. Which equipment minimizes drift during roadside spraying?
A. High-pressure fine spray nozzles
B. Low-pressure, large droplet nozzles
C. Hand sprinklers
D. Foggers
Answer: B
Rationale: Larger droplets reduce drift potential.
8. The term “cut-stump treatment” refers to:
A. Spraying leaves
B. Applying herbicide to freshly cut stump surfaces
C. Spraying soil around stumps
D. Burning stumps
Answer: B
Rationale: Herbicide is applied directly to the stump to prevent
regrowth.
Control Exam Questions And Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
1. The primary objective of vegetation management on rights-of-way
is to:
A. Eliminate all plant growth
B. Promote low-growing, stable plant communities
C. Increase tree density
D. Encourage fast regrowth
Answer: B
Rationale: The goal is to establish and maintain low-growing
vegetation that does not interfere with visibility, access, or utilities.
2. A right-of-way includes areas such as:
A. Residential gardens
B. Public parks only
,C. Roadsides, railways, pipelines, and utility corridors
D. Agricultural fields
Answer: C
Rationale: Rights-of-way are transportation and utility corridors
requiring vegetation control for safety and access.
3. Selective herbicides are preferred in right-of-way work because
they:
A. Kill all plants quickly
B. Target specific unwanted species while preserving desirable plants
C. Cost less
D. Work only in winter
Answer: B
Rationale: Selective control promotes stable vegetation while
removing problem species.
4. The most effective time to control woody brush with systemic
herbicides is:
A. During dormancy
B. During active growth when plants are translocating nutrients
,C. Immediately after rainfall
D. In freezing temperatures
Answer: B
Rationale: Systemic herbicides move with plant sugars during active
growth, improving effectiveness.
5. Basal bark treatment is best used for:
A. Annual weeds
B. Large trees
C. Small woody stems with thin bark
D. Grasses only
Answer: C
Rationale: Basal bark works best on small diameter woody plants with
penetrable bark.
6. A major concern when spraying along roadsides is:
A. Worker fatigue
B. Spray drift to non-target areas
C. Soil compaction
D. Equipment color
, Answer: B
Rationale: Drift can damage desirable plants and contaminate
sensitive areas.
7. Which equipment minimizes drift during roadside spraying?
A. High-pressure fine spray nozzles
B. Low-pressure, large droplet nozzles
C. Hand sprinklers
D. Foggers
Answer: B
Rationale: Larger droplets reduce drift potential.
8. The term “cut-stump treatment” refers to:
A. Spraying leaves
B. Applying herbicide to freshly cut stump surfaces
C. Spraying soil around stumps
D. Burning stumps
Answer: B
Rationale: Herbicide is applied directly to the stump to prevent
regrowth.
