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LEED GREEN ASSOCIATE (GA) ACCREDITATION
LEED Green Associate Practice Exam
Format: Multiple Choice (Single Answer) Duration (simulated): 2 hours (approx. 55 sec/question)
Section 1: LEED Core Concepts & Synergistic
Opportunities
1. Which of the following best describes the primary goal of applying integrative process principles to a building project? a)To reduce first costs by eliminating design phases b) To discover and leverage synergistic opportunities between systems c)To ensure all materials are sourced within 500 miles d) To prioritize water efficiency over energy efficiency
Answer: b) To discover and leverage synergistic opportunities between
systems. Rationale: The integrative process breaks down silos between
disciplines (e.g., mechanical, electrical, architectural) to find synergies—like
using daylighting to reduce lighting load, which reduces cooling load,
allowing for smaller HVAC equipment.
2. A project team is considering installing a green roof. Which two benefits are most directly synergistic with energy performance? a)Stormwater management and habitat provision b) Reduced heat island effect and increased insulation for the building c)Increased property value and occupant satisfaction d) Recycled content and regional materials
Answer: b) Reduced heat island effect and increased insulation for the
building. Rationale: A green roof provides insulation (reducing
heating/cooling loads) and reduces the heat island effect (cooling the
surrounding air), both of which directly improve energy performance.
3. What is the primary purpose of the LEED credit weightings? a)To make all credits equally difficult to achieve b) To prioritize credits that have the greatest potential to address urgent environmental issues c)To reduce the number of prerequisites d) To favor new construction over existing buildings
Answer: b) To prioritize credits that have the greatest potential to address
urgent environmental issues. Rationale: USGBC uses a weighting system
based on environmental impact categories (e.g., climate change, water
scarcity) so that credits addressing critical issues are worth more points.
4. In the LEED v4.1 rating system, what is the minimum project size requirement for most building types? a)1,000 square feet gross floor area b) 5,000 square feet gross floor area c) 250 square feet gross floor area d) No minimum size, but must be a permanent structure Answer: c) 250 square feet gross floor area. Rationale: LEED v4.1 generally requires a minimum of 250 sq. ft. of gross floor area (for commercial interiors) or a building with at least one room, but most building certifications require a minimum of 1,000 sq. ft. The safest answer for the GA exam is 250 sq. ft. for certain typologies, but for core & shell or BD+C, it's often 1,000 sq. ft. Check: GA exam often uses 250 sq. ft. for CI. 5. Which of the following is a prerequisite in all LEED rating systems? a)Renewable energy production b) Minimum acoustic performance
b) Prerequisites earn more points than credits c)Credits are only for new construction; prerequisites for existing buildings d) Prerequisites are optional but cost more
Answer: a) Credits are optional and earn points; prerequisites are
mandatory requirements. Rationale: Prerequisites are "must-haves" to
certify. Credits are "choose-as-you-like" to reach certification levels.
9. A project team decides to use a passive solar design strategy. This is an example of which integrative process step? a)Gather goals and benchmarks b) Simulate energy performance c)Identify synergies between passive heating and building orientation d) Write an O&M manual
Answer: c) Identify synergies between passive heating and building
orientation. Rationale: The integrative process seeks to use natural forces
(sun, wind) instead of adding mechanical systems, finding synergy between
site orientation, glazing, and thermal mass.
10. Which of the following is a core mission of the USGBC? a)To sell green building materials b) To certify individual professionals c)To transform the building industry toward sustainability through market-based solutions d) To enforce building codes
Answer: c) To transform the building industry toward sustainability through
market-based solutions. Rationale: USGBC is a non-profit that developed LEED
to drive market transformation. GBCI certifies professionals and projects.
11. A building owner wants to achieve LEED certification but is on a very tight budget. Which strategy is most cost-effective? a)Install photovoltaic panels
b) Implement a rigorous commissioning process c)Purchase carbon offsets d) Install a greywater recycling system
Answer: b) Implement a rigorous commissioning process. Rationale:
Commissioning typically has a high return on investment by ensuring
systems work correctly, preventing energy waste, and requiring little to no
capital cost for new equipment.
12. What does "life-cycle assessment" (LCA) measure? a)The cost of building operation over 50 years b) Environmental impacts of a product from raw material extraction to disposal c)The number of years a product will last d) The carbon emitted during transportation only
Answer: b) Environmental impacts of a product from raw material
extraction to disposal. Rationale: LCA includes raw material extraction,
manufacturing, transport, use, and end-of-life (cradle-to-grave).
13. Which of the following is a key strategy for reducing transportation-related emissions in a LEED project? a)Building a large parking garage b) Locating the project near a bus or rail stop c)Installing electric car chargers only d) Widening sidewalks without transit access
Answer: b) Locating the project near a bus or rail stop. Rationale: Transit-
oriented development reduces single-occupancy vehicle use, which is the
largest source of transportation emissions. Electric chargers help but don't
address mode shift.
14. A school project earns a Regional Priority credit. This means: a)The project is in a disadvantaged community b) The credit addresses an environmental issue geographically specific to the project area
17. A project earns "Surrounding Density and Diverse Uses" points. What must be true? a)The site is at least ½ mile from any other building b) The project is within walking distance of basic services like a grocery store or bank c)The project has a parking ratio of less than 0.5 spaces per unit d) The building height is less than 3 stories
Answer: b) The project is within walking distance of basic services like a
grocery store or bank. Rationale: This credit rewards walkable access to
diverse uses (restaurants, banks, retail) within 0.25 to 0.5 miles to reduce
driving.
18. What is the minimum bicycle storage requirement for a LEED BD+C project seeking the "Bicycle Facilities" credit? a) 1 bike per 10 FTE occupants AND 1 bike per 5 visitors b) No requirement, only shower facilities matter c)5% of parking spaces must be replaced with bike racks d) 1 bike per 100 occupants Answer: a) 1 bike per 10 FTE occupants AND 1 bike per 5 visitors (short- term). Rationale: Long-term storage for residents/employees (1 per 10 FTE) and short-term for visitors (1 per 5 visitors based on peak occupancy). 19. A project is located on a site that was formerly a parking lot. How does this help with LT credits? a)It qualifies for the "Greenfield Protection" prerequisite b) It is automatically considered "historic" c)It counts as a previously developed site, avoiding sensitive land d) It earns a point for recycled content
Answer: c) It counts as a previously developed site, avoiding sensitive land.
Rationale: Previously developed land includes parking lots, industrial sites,
etc. This helps meet the prerequisite to avoid sensitive land and earn points.
20. Which transportation strategy provides the largest reduction in lifecycle transportation emissions? a)Providing preferred parking for carpools b) Installing Level 2 EV charging stations for 10% of parking spaces c)Locating the project within 0.5 miles of a commuter rail station d) Offering a subsidized shuttle to a transit stop Answer: c) Locating the project within 0.5 miles of a commuter rail station. Rationale: Proximity to high-quality transit (rail, bus rapid transit) fundamentally enables mode shift away from cars, which has a much larger impact than carpool or EV charging alone. 21. For the "Access to Quality Transit" credit, what is the maximum distance a building entrance can be from a bus stop? a) 1 mile b) 0.25 miles (1/4 mile) c)0.5 miles d) 100 feet Answer: b) 0.25 miles. Rationale: For bus stops (not rail), the walking distance is 0.25 miles (1/4 mile). For rail/ferry, it is 0.5 miles. 22. Which of the following is an example of an infill site? a)A farm converted to a subdivision b) A vacant lot in a downtown area surrounded by existing buildings c)A forested area outside city limits d) A brownfield site isolated from any infrastructure
Answer: b) A vacant lot in a downtown area surrounded by existing
buildings. Rationale: Infill development builds on vacant or underused
parcels within existing urban areas, reducing sprawl and using existing
infrastructure.
26. A project earns "High Priority Site" credit. Which of the following qualifies? a)A site next to a hospital b) A site within 1 mile of a national park c)A site located in an EPA-designated brownfield redevelopment area d) A site with south-facing roof slope
Answer: c) A site located in an EPA-designated brownfield redevelopment
area. Rationale: High priority sites include brownfields, formerly used
defense sites, or sites in qualified opportunity zones.
27. What is the maximum distance for a "diverse use" (e.g., bank, restaurant) to count for the "Diverse Uses" credit? a)0.25 miles walking distance b) 0.5 miles walking distance c) 1 mile driving distance d) 800 meters straight line
Answer: b) 0.5 miles walking distance. Rationale: The walkable distance to
diverse uses is
0.5 miles (0.8 km) measured along pedestrian network.
28. Which of the following is NOT a requirement for a "Quality Transit" stop to qualify? a)Must have at least 4 bus lines b) Must operate at least 40 trips per day on weekdays c)Must be within walking distance d) Must be a fixed route service
Answer: a) Must have at least 4 bus lines. Rationale: There is no minimum
number of bus lines; instead, the transit must provide a minimum number
of trips per day (e.g., 72 for bus, 40 for rail).
29. A project team chooses to locate a building on a site that is already served by water, sewer, and roads. This strategy supports which LT credit? a)Bicycle Facilities
b) Reduced Parking Footprint c)Surrounding Density and Diverse Uses (indirectly, via infill) d) Green Vehicles
Answer: c) Surrounding Density and Diverse Uses (indirectly, via infill).
Rationale: Using existing infrastructure avoids the environmental impact
of extending utilities, which is a component of smart location and infill.
30. For the "Access to Quality Transit" credit, a project can also earn points by: a)Providing a free shuttle to a transit stop that is 1 mile away b) Installing electric scooters on site c)Locating within 0.5 miles of a ferry terminal that runs 6 trips/day d) Building a bicycle superhighway
Answer: a) Providing a free shuttle to a transit stop that is 1 mile away.
Rationale: LEED allows "provided shuttle service" to a qualifying transit stop
as an alternative to direct walking distance.
Section 3: Sustainable Sites (SS) (Questions 31–45)
31. What is the purpose of the "Heat Island Reduction" credit? a)To increase albedo of surfaces and provide shade b) To reduce building energy use only c)To increase the number of trees on site d) To eliminate all paved surfaces
Answer: a) To increase albedo of surfaces and provide shade. Rationale:
Heat islands increase local temperatures, smog, and cooling loads.
Strategies include high-albedo (cool) roofs/paving, shade from trees or
structures, and open-grid pavement.
b) Increasing the size of the parking lot c)Using only native plants that require no irrigation d) Painting the roof white
Answer: a) Installing a green roof. Rationale: Green roofs retain rainwater
and reduce runoff volume. Rain gardens, bioswales, and permeable paving
are also strategies.
36. The "Site Assessment" prerequisite requires the project team to evaluate: a)Soil, hydrology, vegetation, and human use patterns b) The building's energy model c)The cost of solar panels d) The parking to building ratio
Answer: a) Soil, hydrology, vegetation, and human use patterns. Rationale:
Site assessment documents existing conditions to inform design, protect
sensitive areas, and guide stormwater and landscaping strategies.
37. What is the primary goal of "Light Pollution Reduction"? a)Save energy on exterior lighting b) Reduce sky glow and glare to protect nocturnal ecosystems c)Eliminate all exterior lighting d) Reduce electricity bills for parking lots
Answer: b) Reduce sky glow and glare to protect nocturnal ecosystems.
Rationale: Light pollution disrupts wildlife migration, bird navigation, and human
circadian rhythms. LEED limits uplight and light trespass.
38. A project uses a dark-sky compliant fixture. Which requirement does this meet? a)Heat Island Reduction b) Light Pollution Reduction c)Minimum Energy Performance d) Site Development—Protect or Restore Habitat
Answer: b) Light Pollution Reduction. Rationale: Dark-sky fixtures are fully
shielded, direct light downward, and have low color temperature, reducing
sky glow.
39. Which of the following is a construction activity that must be addressed in the Construction Activity Pollution Prevention prerequisite? a)Noise from construction equipment b) Erosion and sedimentation control c)Worker safety training d) Material storage
Answer: b) Erosion and sedimentation control. Rationale: This prerequisite
requires an ESC plan that meets EPA CGP or local equivalent to prevent soil
loss and water pollution during construction.
40. A project is restoring 30% of the site (excluding building footprint) with native vegetation. This supports which credit? a)Heat Island Reduction b) Site Development—Protect or Restore Habitat c)Rainwater Management d) Light Pollution Reduction
Answer: b) Site Development—Protect or Restore Habitat. Rationale: This
credit rewards protecting existing habitat or restoring native vegetation to
provide biodiversity and ecosystem services.
41. What is a "bioswale"? a)A type of green roof b) A landscape element designed to capture and treat stormwater runoff c)A high-albedo paving material d) A mechanical water filter
Answer: c) To prevent soil erosion and sediment from leaving the site.
Rationale: The goal is to protect water bodies from sediment-laden runoff,
which is a major pollutant from construction sites.
45. A project in a dense urban area has no on-site open space. How can it earn "Site Development—Protect or Restore Habitat"? a)It cannot; the credit is impossible b) Provide off-site habitat restoration within 100 miles c)Install a green roof and call it habitat d) Use only potted plants Answer: b) Provide off-site habitat restoration within 100 miles. Rationale: LEED allows off-site restoration (e.g., restoring a wetland) if on-site is infeasible due to density. Section 4: Water Efficiency (WE) (Questions 46–60) 46. What is the baseline water use for indoor water fixtures in LEED v4.1? a) 1992 Energy Policy Act (EPAct) standards b) 2006 Uniform Plumbing Code c) 2009 International Plumbing Code d) No baseline, just use best available
Answer: a) 1992 Energy Policy Act (EPAct) standards. Rationale: The baseline
for indoor water use reduction is the EPAct 1992 fixture performance
standards (e.g., 1.6 gpf toilets, 2.5 gpm showerheads).
47. A building installs low-flow toilets (1.28 gpf) and urinals (0.5 gpf). This helps earn which credit? a)Outdoor Water Use Reduction b) Indoor Water Use Reduction
c)Cooling Tower Water Use d) Water Metering Answer: b) Indoor Water Use Reduction. Rationale: High-efficiency fixtures reduce indoor potable water consumption. The credit requires a percentage reduction from EPAct 1992 baseline.
48. What is the maximum flush rate for a WaterSense-labeled toilet? a)1.6 gallons per flush b) 1.28 gallons per flush c)0.8 gallons per flush d) 3.5 liters per flush
Answer: b) 1.28 gallons per flush. Rationale: WaterSense toilets use 1.
gpf or less, which is 20% less than the 1.6 gpf baseline.
49. Which of the following is a strategy for "Outdoor Water Use Reduction"? a)Installing rain barrels to capture water for irrigation b) Using only turf grass c)Installing drip irrigation with no rain sensor d) Increasing the area of lawn
Answer: a) Installing rain barrels to capture water for irrigation.
Rationale: Rainwater harvesting reduces potable water demand for
irrigation. Other strategies include native/drought-tolerant plants
(xeriscaping) and high-efficiency irrigation.
50. What is the maximum allowed landscape water budget under the Outdoor Water Use Reduction credit's "No Irrigation" path? a)50% reduction from baseline b) 0 gallons (no irrigation after establishment) c) 10 gallons per square foot per year d) 100% native plants only
Answer: c) Whole-project water meter (building-level). Rationale: The
Building-Level Water Metering prerequisite requires a permanent meter that
measures total potable water use for the building.
54. A project uses greywater from showers and sinks to flush toilets. Greywater is defined as: a)Water from toilets and kitchen sinks b) Wastewater from non-toilet fixtures (baths, showers, lavs, clothes washers) c)Rainwater collected from roofs d) Treated sewage effluent
Answer: b) Wastewater from non-toilet fixtures (baths, showers, lavs, clothes
washers). Rationale: Greywater does NOT include water from toilets or
kitchen sinks (which is blackwater due to fecal matter or food waste).
55. What is the typical indoor water use reduction target for a LEED Platinum building? a)20% reduction from baseline b) 50% or greater reduction from baseline c)10% reduction d) 0% reduction, but must use only greywater Answer: b) 50% or greater reduction from baseline. Rationale: LEED points scale: 20% reduction = 1 point, up to 50%+ = max points (e.g., 12 points in v4). 56. Which of the following plants requires the least irrigation in a temperate climate? a)Kentucky bluegrass b) Bermuda grass c)Native sedge meadow d) Fescue lawn
Answer: c) Native sedge meadow. Rationale: Native plants adapted to local
rainfall require little to no irrigation once established. Turf grasses (even
"drought-tolerant" types) generally require more water.
57. A rainwater harvesting system must include which of the following to protect public health? a)UV disinfection b) Backflow prevention and cross-connection control c)Chlorine injection d) A visible dye
Answer: b) Backflow prevention and cross-connection control. Rationale: To
prevent non-potable water from ever entering the potable water system,
backflow preventers and physical separation are required by plumbing
codes.
58. What is "process water" in a commercial building? a)Water used for landscaping b) Water used for cooling towers, boilers, and dishwashers (non-restroom, non- kitchen) c)Water used for handwashing d) Stormwater runoff
Answer: b) Water used for cooling towers, boilers, and dishwashers (non-
restroom, non-kitchen). Rationale: Process water excludes sanitary
fixtures and irrigation but includes mechanical and industrial uses.
59. A school wants to reduce water use in science lab sinks. Which strategy is most effective? a)Install flow restrictors on faucets b) Use foot-operated or sensor faucets c)Reduce water pressure to the whole building d) Eliminate labs
Answer: b) Use foot-operated or sensor faucets. Rationale: Lab faucets often
run continuously; foot pedals or sensors stop flow when not in use, saving
significant water.
60. Which of the following is NOT a strategy for the "Outdoor Water Use Reduction" credit?
