AK Landscaping Contractor Exam Questions
and Correct Answers (Verified Answers) Plus
Rationale 2027 Q&A| Instant Download Pdf
1. Which factor is most important when selecting plants for an
Alaska landscape?
a. Flower color only
b. Climate hardiness and site conditions
c. Maximum mature size only
d. Availability from distant suppliers
Rationale: Alaska landscapes can experience severe cold, short
growing seasons, and variable soil and moisture conditions. Plants
should be selected based on cold hardiness, sunlight, soil, drainage,
and the specific microclimate of the site.
2. What is the primary purpose of a landscape grading plan?
a. To identify plant colors
b. To determine fertilizer types
,c. To establish elevations and control surface drainage
d. To calculate seed quantities only
Rationale: A grading plan establishes elevations and slopes so water
drains where intended. Proper grading helps prevent ponding,
erosion, foundation problems, and damage to landscape features.
3. Which soil characteristic most directly affects drainage?
a. Soil color
b. Organic color
c. Soil texture and structure
d. Surface appearance
Rationale: Soil texture and structure determine pore spaces through
which water moves. Sandy soils generally drain more rapidly, while
compacted or clay-heavy soils may drain slowly.
4. Before beginning excavation for a landscape project, a contractor
should first determine the location of:
a. Existing plants only
b. Property furniture
c. Underground utilities
d. Irrigation emitters only
,Rationale: Identifying underground utilities before excavation is
essential for worker safety and preventing damage to electrical, gas,
water, communication, and other utility systems.
5. What is the primary purpose of mulch around landscape plants?
a. Eliminate all irrigation requirements
b. Increase soil compaction
c. Conserve moisture and suppress weeds
d. Prevent all insect activity
Rationale: Mulch reduces evaporation, moderates soil temperatures,
and suppresses weed growth. Organic mulch can also contribute
organic matter as it decomposes.
6. Which practice is most effective for establishing newly planted
trees?
a. Removing all branches
b. Applying fertilizer directly against the trunk
c. Providing adequate watering during establishment
d. Keeping the root ball completely exposed
Rationale: Newly planted trees have limited root systems and require
consistent moisture while roots establish. Proper watering is generally
more important than heavy fertilization during this period.
, 7. What is the purpose of a soil test before major landscape
planting?
a. To determine the age of the property
b. To identify plant diseases with certainty
c. To evaluate soil fertility and chemical characteristics
d. To determine the height of mature trees
Rationale: Soil testing can identify characteristics such as pH and
nutrient levels. The results help contractors and property owners
make informed decisions about soil amendments and fertilization.
8. Which condition is most likely to cause poor lawn establishment?
a. Proper seed-to-soil contact
b. Adequate moisture
c. Compacted soil
d. Appropriate seed selection
Rationale: Compacted soil restricts air and water movement and
makes root penetration difficult. Loosening or properly preparing the
seedbed improves germination and root development.
9. What is the main purpose of a landscape retaining wall?
a. Increase runoff
b. Hold back soil and manage changes in grade
and Correct Answers (Verified Answers) Plus
Rationale 2027 Q&A| Instant Download Pdf
1. Which factor is most important when selecting plants for an
Alaska landscape?
a. Flower color only
b. Climate hardiness and site conditions
c. Maximum mature size only
d. Availability from distant suppliers
Rationale: Alaska landscapes can experience severe cold, short
growing seasons, and variable soil and moisture conditions. Plants
should be selected based on cold hardiness, sunlight, soil, drainage,
and the specific microclimate of the site.
2. What is the primary purpose of a landscape grading plan?
a. To identify plant colors
b. To determine fertilizer types
,c. To establish elevations and control surface drainage
d. To calculate seed quantities only
Rationale: A grading plan establishes elevations and slopes so water
drains where intended. Proper grading helps prevent ponding,
erosion, foundation problems, and damage to landscape features.
3. Which soil characteristic most directly affects drainage?
a. Soil color
b. Organic color
c. Soil texture and structure
d. Surface appearance
Rationale: Soil texture and structure determine pore spaces through
which water moves. Sandy soils generally drain more rapidly, while
compacted or clay-heavy soils may drain slowly.
4. Before beginning excavation for a landscape project, a contractor
should first determine the location of:
a. Existing plants only
b. Property furniture
c. Underground utilities
d. Irrigation emitters only
,Rationale: Identifying underground utilities before excavation is
essential for worker safety and preventing damage to electrical, gas,
water, communication, and other utility systems.
5. What is the primary purpose of mulch around landscape plants?
a. Eliminate all irrigation requirements
b. Increase soil compaction
c. Conserve moisture and suppress weeds
d. Prevent all insect activity
Rationale: Mulch reduces evaporation, moderates soil temperatures,
and suppresses weed growth. Organic mulch can also contribute
organic matter as it decomposes.
6. Which practice is most effective for establishing newly planted
trees?
a. Removing all branches
b. Applying fertilizer directly against the trunk
c. Providing adequate watering during establishment
d. Keeping the root ball completely exposed
Rationale: Newly planted trees have limited root systems and require
consistent moisture while roots establish. Proper watering is generally
more important than heavy fertilization during this period.
, 7. What is the purpose of a soil test before major landscape
planting?
a. To determine the age of the property
b. To identify plant diseases with certainty
c. To evaluate soil fertility and chemical characteristics
d. To determine the height of mature trees
Rationale: Soil testing can identify characteristics such as pH and
nutrient levels. The results help contractors and property owners
make informed decisions about soil amendments and fertilization.
8. Which condition is most likely to cause poor lawn establishment?
a. Proper seed-to-soil contact
b. Adequate moisture
c. Compacted soil
d. Appropriate seed selection
Rationale: Compacted soil restricts air and water movement and
makes root penetration difficult. Loosening or properly preparing the
seedbed improves germination and root development.
9. What is the main purpose of a landscape retaining wall?
a. Increase runoff
b. Hold back soil and manage changes in grade
