Certified Landscape Technician Exam
With Actual Questions & Verified
Answers, Plus Explained
Rationales/Expert Verified For
Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. Which soil component primarily improves drainage and aeration?
A. Clay
B. Silt
C. Sand
D. Organic matter
Sand particles are large and create pore spaces that allow water
and air to move freely through soil.
2. The ideal soil pH range for most turfgrasses is:
A. 4.0–4.5
B. 5.0–5.5
C. 6.0–7.0
D. 7.5–8.5
Most turfgrasses perform best in slightly acidic to neutral soils,
optimizing nutrient availability.
3. Which irrigation method delivers water most efficiently to plant
roots?
A. Overhead sprinkler
, B. Drip irrigation
C. Flood irrigation
D. Hose watering
Drip irrigation minimizes evaporation and runoff by delivering
water directly to the root zone.
4. What is the primary purpose of mulching landscape beds?
A. Increase soil compaction
B. Eliminate irrigation needs
C. Conserve moisture and suppress weeds
D. Raise soil pH
Mulch helps retain moisture, moderate temperature, and reduce
weed growth.
5. Which tool is best for cutting sod edges cleanly?
A. Hand trowel
B. Half-moon edger
C. Rake
D. Hoe
A half-moon edger is designed for precise, clean sod and bed
edges.
6. What is the safest slope ratio for walkways to prevent erosion and
slipping?
A. 1:1
B. 2:1
C. 4:1
D. 6:1
A 4:1 slope provides stability and safe footing for pedestrian
areas.
7. Which fertilizer number represents nitrogen content?
A. First number
, B. Second number
C. Third number
D. Total weight
The first number in the fertilizer ratio indicates nitrogen
percentage.
8. When planting a tree, the root flare should be:
A. Buried 6 inches deep
B. Level with the bottom of the hole
C. Slightly above finished grade
D. Covered with mulch
Planting too deep can cause root suffocation; the flare should
remain visible.
9. What is the main function of potassium in plants?
A. Root development
B. Leaf color
C. Disease resistance and stress tolerance
D. Seed germination
Potassium improves overall plant resilience and water
regulation.
10. Which grass type is considered a warm-season turf?
A. Kentucky bluegrass
B. Fescue
C. Bermuda grass
D. Ryegrass
Bermuda grass thrives in warm climates and grows actively in
summer.
11. The best time to prune most flowering shrubs is:
A. Late fall
B. Immediately after flowering
With Actual Questions & Verified
Answers, Plus Explained
Rationales/Expert Verified For
Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. Which soil component primarily improves drainage and aeration?
A. Clay
B. Silt
C. Sand
D. Organic matter
Sand particles are large and create pore spaces that allow water
and air to move freely through soil.
2. The ideal soil pH range for most turfgrasses is:
A. 4.0–4.5
B. 5.0–5.5
C. 6.0–7.0
D. 7.5–8.5
Most turfgrasses perform best in slightly acidic to neutral soils,
optimizing nutrient availability.
3. Which irrigation method delivers water most efficiently to plant
roots?
A. Overhead sprinkler
, B. Drip irrigation
C. Flood irrigation
D. Hose watering
Drip irrigation minimizes evaporation and runoff by delivering
water directly to the root zone.
4. What is the primary purpose of mulching landscape beds?
A. Increase soil compaction
B. Eliminate irrigation needs
C. Conserve moisture and suppress weeds
D. Raise soil pH
Mulch helps retain moisture, moderate temperature, and reduce
weed growth.
5. Which tool is best for cutting sod edges cleanly?
A. Hand trowel
B. Half-moon edger
C. Rake
D. Hoe
A half-moon edger is designed for precise, clean sod and bed
edges.
6. What is the safest slope ratio for walkways to prevent erosion and
slipping?
A. 1:1
B. 2:1
C. 4:1
D. 6:1
A 4:1 slope provides stability and safe footing for pedestrian
areas.
7. Which fertilizer number represents nitrogen content?
A. First number
, B. Second number
C. Third number
D. Total weight
The first number in the fertilizer ratio indicates nitrogen
percentage.
8. When planting a tree, the root flare should be:
A. Buried 6 inches deep
B. Level with the bottom of the hole
C. Slightly above finished grade
D. Covered with mulch
Planting too deep can cause root suffocation; the flare should
remain visible.
9. What is the main function of potassium in plants?
A. Root development
B. Leaf color
C. Disease resistance and stress tolerance
D. Seed germination
Potassium improves overall plant resilience and water
regulation.
10. Which grass type is considered a warm-season turf?
A. Kentucky bluegrass
B. Fescue
C. Bermuda grass
D. Ryegrass
Bermuda grass thrives in warm climates and grows actively in
summer.
11. The best time to prune most flowering shrubs is:
A. Late fall
B. Immediately after flowering
