Virginia Landscape Architect
Registration Examination Section 3
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download
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1. A site plan for a proposed public park shows a steep slope of 18%
along one edge. Which design strategy is most effective for minimizing
soil erosion and runoff?
A. Planting sod only along the top of the slope
B. Installing a retaining wall at the bottom and leaving the slope bare
C. Incorporating terracing and deep-rooted native vegetation
D. Paving the slope with permeable concrete
Terracing reduces the slope length and velocity of runoff, while deep-
rooted vegetation stabilizes soil, effectively minimizing erosion.
2. Which of the following materials is considered most sustainable for
hardscape in an urban plaza?
A. Natural stone quarried overseas
B. Non-recyclable composite decking
C. Locally sourced permeable pavers
D. Concrete with high cement content and no recycled aggregates
,Locally sourced permeable pavers reduce transportation impacts and allow
water infiltration, supporting sustainability goals in urban landscapes.
3. When designing a streetscape to improve pedestrian safety, which
element is most effective?
A. Widening lanes for vehicle comfort
B. Installing mid-block parking only
C. Adding continuous sidewalks with curb extensions and clear
crossings
D. Placing decorative bollards randomly along sidewalks
Continuous sidewalks with curb extensions shorten crossing distances,
increase pedestrian visibility, and reduce vehicle speed, directly improving
safety.
4. In a landscape project that must comply with the Americans with
Disabilities Act (ADA), which slope condition is generally acceptable for
a wheelchair-accessible route?
A. 12% for 10 feet
B. 10% for 5 feet
C. 5% maximum for extended paths without handrails
D. 8% for 20 feet without rest areas
ADA guidelines limit slope to 5% (1:20) for paths without handrails to
ensure wheelchair accessibility over longer distances.
5. Which native plant selection principle helps reduce long-term
maintenance in Virginia landscapes?
A. Choosing the most visually striking exotic species
B. Selecting plants that require high irrigation
C. Using drought-tolerant, site-adapted native species
D. Choosing plants based solely on bloom color
Drought-tolerant native species are adapted to local climate and soils,
minimizing watering, fertilization, and pest control needs.
, 6. During the schematic design phase of a large residential landscape,
what is the primary role of diagrammatic circulation lines?
A. To indicate exact planting locations
B. To show underground utility layouts
C. To illustrate functional movement patterns of pedestrians and
vehicles
D. To depict final construction details
Diagrammatic circulation lines focus on the flow and interaction of users
with the landscape, guiding design decisions before detailed layout.
7. What is the primary benefit of integrating bioswales in urban park
designs?
A. Increasing pavement area for activities
B. Providing aesthetic color only
C. Managing stormwater while enhancing site ecology
D. Supporting heavy vehicular traffic
Bioswales capture and filter stormwater, reducing runoff and improving
water quality while contributing to ecological and aesthetic value.
8. When planning for sustainable lighting in a landscape project, which
strategy best reduces energy consumption and light pollution?
A. Using high-wattage halogen fixtures
B. Installing wall-mounted floodlights aimed upward
C. Employing LED fixtures with cut-off shields and motion sensors
D. Installing continuous string lights along all edges
LEDs are energy-efficient, and cut-off shields prevent upward light spill,
while motion sensors reduce unnecessary operation, minimizing energy
use and light pollution.
9. Which soil amendment is most appropriate for improving infiltration
in compacted clay soils of a stormwater detention area?
A. Sand only
B. Fertilizer
Registration Examination Section 3
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download
1. A site plan for a proposed public park shows a steep slope of 18%
along one edge. Which design strategy is most effective for minimizing
soil erosion and runoff?
A. Planting sod only along the top of the slope
B. Installing a retaining wall at the bottom and leaving the slope bare
C. Incorporating terracing and deep-rooted native vegetation
D. Paving the slope with permeable concrete
Terracing reduces the slope length and velocity of runoff, while deep-
rooted vegetation stabilizes soil, effectively minimizing erosion.
2. Which of the following materials is considered most sustainable for
hardscape in an urban plaza?
A. Natural stone quarried overseas
B. Non-recyclable composite decking
C. Locally sourced permeable pavers
D. Concrete with high cement content and no recycled aggregates
,Locally sourced permeable pavers reduce transportation impacts and allow
water infiltration, supporting sustainability goals in urban landscapes.
3. When designing a streetscape to improve pedestrian safety, which
element is most effective?
A. Widening lanes for vehicle comfort
B. Installing mid-block parking only
C. Adding continuous sidewalks with curb extensions and clear
crossings
D. Placing decorative bollards randomly along sidewalks
Continuous sidewalks with curb extensions shorten crossing distances,
increase pedestrian visibility, and reduce vehicle speed, directly improving
safety.
4. In a landscape project that must comply with the Americans with
Disabilities Act (ADA), which slope condition is generally acceptable for
a wheelchair-accessible route?
A. 12% for 10 feet
B. 10% for 5 feet
C. 5% maximum for extended paths without handrails
D. 8% for 20 feet without rest areas
ADA guidelines limit slope to 5% (1:20) for paths without handrails to
ensure wheelchair accessibility over longer distances.
5. Which native plant selection principle helps reduce long-term
maintenance in Virginia landscapes?
A. Choosing the most visually striking exotic species
B. Selecting plants that require high irrigation
C. Using drought-tolerant, site-adapted native species
D. Choosing plants based solely on bloom color
Drought-tolerant native species are adapted to local climate and soils,
minimizing watering, fertilization, and pest control needs.
, 6. During the schematic design phase of a large residential landscape,
what is the primary role of diagrammatic circulation lines?
A. To indicate exact planting locations
B. To show underground utility layouts
C. To illustrate functional movement patterns of pedestrians and
vehicles
D. To depict final construction details
Diagrammatic circulation lines focus on the flow and interaction of users
with the landscape, guiding design decisions before detailed layout.
7. What is the primary benefit of integrating bioswales in urban park
designs?
A. Increasing pavement area for activities
B. Providing aesthetic color only
C. Managing stormwater while enhancing site ecology
D. Supporting heavy vehicular traffic
Bioswales capture and filter stormwater, reducing runoff and improving
water quality while contributing to ecological and aesthetic value.
8. When planning for sustainable lighting in a landscape project, which
strategy best reduces energy consumption and light pollution?
A. Using high-wattage halogen fixtures
B. Installing wall-mounted floodlights aimed upward
C. Employing LED fixtures with cut-off shields and motion sensors
D. Installing continuous string lights along all edges
LEDs are energy-efficient, and cut-off shields prevent upward light spill,
while motion sensors reduce unnecessary operation, minimizing energy
use and light pollution.
9. Which soil amendment is most appropriate for improving infiltration
in compacted clay soils of a stormwater detention area?
A. Sand only
B. Fertilizer
