LOUISIANA LANDSCAPE CONTRACTOR EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2027 |INSTANT DOWNLOAD PDF
1. What is the primary purpose of a landscape contractor’s
site assessment?
A. To determine the client’s favorite plants
B. To evaluate site conditions before construction or planting
C. To eliminate the need for a design
D. To determine the contractor’s profit margin
Rationale: A site assessment identifies soil, drainage, sunlight,
existing vegetation, utilities, grades, and other conditions
affecting the project.
Correct Answer: B. To evaluate site conditions before
construction or planting
2. Which soil characteristic most directly affects water
movement through soil?
A. Texture
B. Color
C. Temperature
D. Organic color
Rationale: Soil texture, determined largely by sand, silt, and
clay proportions, strongly influences drainage and water-
,holding capacity.
Correct Answer: A. Texture
3. Which soil type generally has the largest individual
particles?
A. Clay
B. Silt
C. Sand
D. Loam
Rationale: Sand particles are larger than silt and clay particles
and generally allow faster drainage.
Correct Answer: C. Sand
4. What is the main purpose of soil testing before landscape
installation?
A. To determine the property value
B. To identify nutrient and pH conditions
C. To select construction equipment
D. To measure plant height
Rationale: Soil testing provides information needed for
appropriate amendments and fertilizer recommendations.
Correct Answer: B. To identify nutrient and pH conditions
5. What does soil pH indicate?
A. Soil temperature
B. Soil compaction
C. Soil acidity or alkalinity
D. Soil depth
,Rationale: Soil pH is a measure of acidity or alkalinity and
affects nutrient availability to plants.
Correct Answer: C. Soil acidity or alkalinity
6. Which soil amendment primarily improves organic matter
content?
A. Compost
B. Gravel
C. Concrete
D. Salt
Rationale: Compost adds organic matter and can improve soil
structure, biological activity, and moisture management.
Correct Answer: A. Compost
7. What is the primary purpose of mulch around landscape
plants?
A. Increase soil erosion
B. Conserve moisture and suppress weeds
C. Prevent all insects
D. Replace irrigation completely
Rationale: Properly applied mulch helps conserve soil moisture,
moderate soil temperature, and reduce weed growth.
Correct Answer: B. Conserve moisture and suppress weeds
8. How should mulch generally be placed around the trunk of
a tree?
A. Packed tightly against the trunk
B. In a tall mound against the trunk
, C. Kept away from direct trunk contact
D. Covered with concrete
Rationale: Keeping mulch away from the trunk reduces
moisture-related trunk problems and pest and disease risks.
Correct Answer: C. Kept away from direct trunk contact
9. Which factor is most important when selecting a plant for a
landscape location?
A. Plant name length
B. Site conditions and plant requirements
C. Container color
D. Contractor preference only
Rationale: Plants should be selected based on conditions such
as sunlight, soil, moisture, mature size, and climate suitability.
Correct Answer: B. Site conditions and plant requirements
10. What is the purpose of a plant’s root system?
A. Only produce flowers
B. Absorb water and nutrients and anchor the plant
C. Produce sunlight
D. Prevent photosynthesis
Rationale: Roots provide anchorage and absorb water and
mineral nutrients.
Correct Answer: B. Absorb water and nutrients and anchor the
plant
11. Which process allows green plants to produce
carbohydrates using light energy?
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2027 |INSTANT DOWNLOAD PDF
1. What is the primary purpose of a landscape contractor’s
site assessment?
A. To determine the client’s favorite plants
B. To evaluate site conditions before construction or planting
C. To eliminate the need for a design
D. To determine the contractor’s profit margin
Rationale: A site assessment identifies soil, drainage, sunlight,
existing vegetation, utilities, grades, and other conditions
affecting the project.
Correct Answer: B. To evaluate site conditions before
construction or planting
2. Which soil characteristic most directly affects water
movement through soil?
A. Texture
B. Color
C. Temperature
D. Organic color
Rationale: Soil texture, determined largely by sand, silt, and
clay proportions, strongly influences drainage and water-
,holding capacity.
Correct Answer: A. Texture
3. Which soil type generally has the largest individual
particles?
A. Clay
B. Silt
C. Sand
D. Loam
Rationale: Sand particles are larger than silt and clay particles
and generally allow faster drainage.
Correct Answer: C. Sand
4. What is the main purpose of soil testing before landscape
installation?
A. To determine the property value
B. To identify nutrient and pH conditions
C. To select construction equipment
D. To measure plant height
Rationale: Soil testing provides information needed for
appropriate amendments and fertilizer recommendations.
Correct Answer: B. To identify nutrient and pH conditions
5. What does soil pH indicate?
A. Soil temperature
B. Soil compaction
C. Soil acidity or alkalinity
D. Soil depth
,Rationale: Soil pH is a measure of acidity or alkalinity and
affects nutrient availability to plants.
Correct Answer: C. Soil acidity or alkalinity
6. Which soil amendment primarily improves organic matter
content?
A. Compost
B. Gravel
C. Concrete
D. Salt
Rationale: Compost adds organic matter and can improve soil
structure, biological activity, and moisture management.
Correct Answer: A. Compost
7. What is the primary purpose of mulch around landscape
plants?
A. Increase soil erosion
B. Conserve moisture and suppress weeds
C. Prevent all insects
D. Replace irrigation completely
Rationale: Properly applied mulch helps conserve soil moisture,
moderate soil temperature, and reduce weed growth.
Correct Answer: B. Conserve moisture and suppress weeds
8. How should mulch generally be placed around the trunk of
a tree?
A. Packed tightly against the trunk
B. In a tall mound against the trunk
, C. Kept away from direct trunk contact
D. Covered with concrete
Rationale: Keeping mulch away from the trunk reduces
moisture-related trunk problems and pest and disease risks.
Correct Answer: C. Kept away from direct trunk contact
9. Which factor is most important when selecting a plant for a
landscape location?
A. Plant name length
B. Site conditions and plant requirements
C. Container color
D. Contractor preference only
Rationale: Plants should be selected based on conditions such
as sunlight, soil, moisture, mature size, and climate suitability.
Correct Answer: B. Site conditions and plant requirements
10. What is the purpose of a plant’s root system?
A. Only produce flowers
B. Absorb water and nutrients and anchor the plant
C. Produce sunlight
D. Prevent photosynthesis
Rationale: Roots provide anchorage and absorb water and
mineral nutrients.
Correct Answer: B. Absorb water and nutrients and anchor the
plant
11. Which process allows green plants to produce
carbohydrates using light energy?
