ISA ARBORIST ACTUAL EXAM | COMPLETE AND GRADED QUESTIONS AND
ANSWERS 2026 LATEST UPDATED | 100% GRADED CORRECT | 100% GUARANTEED TO
PASS | GET A+
1. arboriculture: Practice and study of the care of trees and other woody plants in the landscape
2. Best Management Practices: Best-available, industry-recognized courses of action, in consideration of the benefits
and limitations, based on scientific research and current knowledge.
3. Carbon squestration: Capture of carbon from atmosphere into long term storage. -- Capturing atmospheric carbon
dioxide via photosynthesis
4. Four Benefits of Trees: Environmental, Economic, Aesthetic, Social
5. Environmental benefits of trees: Improve air quality, carbon sequestration, Energy conservation, decreased storm
water runoff, erosion control, increased wildlife diversity
6. Economic Benefits of Trees: decreased heating and cooling costs, increased property value, windbreak and shade
decrease maintenance cost
7. Social Benefits of Trees: Decrease stress, improve psychological wellbeing, decrease certain crimes
8. Costs of trees: Planting, maintenance, management
9. Trees are assets unless...: they are improperly cared for, then they become liabilities
10. Urban Forestry: Management of naturally occurring and planted trees and associated plants in urban areas. 11.
Urban Forester (city forester) is responsible for: Management of greenspaces on public land in communities
12. Methods that quantify the value of trees: Realestate value, Benefit based, Cost benefit analysis, CTLA method
13. Realestate value: Compares property of interest with other properties that are similar (both with and without trees)
14. cost-benefit analysis: Based on the trees measurements, species, condition and location (ex. I-tree)
, 15. Council of Tree and Landscape Appraisers
(CTLA) Method: Replacement cost and trunk formula method
16. Replacement Cost: Places value on a tree loss event
17. Trunk Formula Method: Based on size then modified further. Used for trees too large to replace 18. Green
Infrastructure: Natural resource upon which the city is built. Includes Greenways, conservation easements, wilderness,
working land
19. Sustainability: Ability to maintain ecological, social, and economic benefits over time.
20. Tree Inventory: Record of location, characteristics, and assessment of individual/groups of trees in a defined area
21 What are tree inventories used for?: Planning, Budgeting, Emergency Preparedness, Maintenance, Assessment,
Communication
22. Types of tree inventories: Random Sampling, Partial, Complete
23. Duty of Care: The duty of the municipality to exercise a reasonable amount of care in their dealings with others.
Failure to exercise due care is negligence.
24. Risk management: Systematic application of management practices to identify, evaluate treat, monitor, and
communicate risk
25. Risk Management Plan: Includes policies for identifying assessing and reporting risks of potentially hazardous
trees.
26. Tree Ordinance: Legal regulations adopted to protect trees within a given jurisdiction
27. Permit: Requires that all standards and BMPs are followed and reviewed by municipal arborists
28. tree preservation order (TPO): In the United Kingdom (and being adopted elsewhere), a legal regulation,
established by a local authority, that protects a tree or multiple trees.
29. Standard: Widely recognized authority of acceptable performance (may vary per jurisdiction)
ANSWERS 2026 LATEST UPDATED | 100% GRADED CORRECT | 100% GUARANTEED TO
PASS | GET A+
1. arboriculture: Practice and study of the care of trees and other woody plants in the landscape
2. Best Management Practices: Best-available, industry-recognized courses of action, in consideration of the benefits
and limitations, based on scientific research and current knowledge.
3. Carbon squestration: Capture of carbon from atmosphere into long term storage. -- Capturing atmospheric carbon
dioxide via photosynthesis
4. Four Benefits of Trees: Environmental, Economic, Aesthetic, Social
5. Environmental benefits of trees: Improve air quality, carbon sequestration, Energy conservation, decreased storm
water runoff, erosion control, increased wildlife diversity
6. Economic Benefits of Trees: decreased heating and cooling costs, increased property value, windbreak and shade
decrease maintenance cost
7. Social Benefits of Trees: Decrease stress, improve psychological wellbeing, decrease certain crimes
8. Costs of trees: Planting, maintenance, management
9. Trees are assets unless...: they are improperly cared for, then they become liabilities
10. Urban Forestry: Management of naturally occurring and planted trees and associated plants in urban areas. 11.
Urban Forester (city forester) is responsible for: Management of greenspaces on public land in communities
12. Methods that quantify the value of trees: Realestate value, Benefit based, Cost benefit analysis, CTLA method
13. Realestate value: Compares property of interest with other properties that are similar (both with and without trees)
14. cost-benefit analysis: Based on the trees measurements, species, condition and location (ex. I-tree)
, 15. Council of Tree and Landscape Appraisers
(CTLA) Method: Replacement cost and trunk formula method
16. Replacement Cost: Places value on a tree loss event
17. Trunk Formula Method: Based on size then modified further. Used for trees too large to replace 18. Green
Infrastructure: Natural resource upon which the city is built. Includes Greenways, conservation easements, wilderness,
working land
19. Sustainability: Ability to maintain ecological, social, and economic benefits over time.
20. Tree Inventory: Record of location, characteristics, and assessment of individual/groups of trees in a defined area
21 What are tree inventories used for?: Planning, Budgeting, Emergency Preparedness, Maintenance, Assessment,
Communication
22. Types of tree inventories: Random Sampling, Partial, Complete
23. Duty of Care: The duty of the municipality to exercise a reasonable amount of care in their dealings with others.
Failure to exercise due care is negligence.
24. Risk management: Systematic application of management practices to identify, evaluate treat, monitor, and
communicate risk
25. Risk Management Plan: Includes policies for identifying assessing and reporting risks of potentially hazardous
trees.
26. Tree Ordinance: Legal regulations adopted to protect trees within a given jurisdiction
27. Permit: Requires that all standards and BMPs are followed and reviewed by municipal arborists
28. tree preservation order (TPO): In the United Kingdom (and being adopted elsewhere), a legal regulation,
established by a local authority, that protects a tree or multiple trees.
29. Standard: Widely recognized authority of acceptable performance (may vary per jurisdiction)
