ISA Arborist
ISA Arborist
Here are the best resources to pass ISA Arborist. Find ISA Arborist study guides, notes, assignments, and much more.
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Exam (elaborations)
ISA Arborist Chapter 1 Questions and Answers Already Passed
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--7February 20242023/2024A+Available in bundle
- ISA Arborist Chapter 1 Questions and 
Answers Already Passed 
Abscission Zone - Answer ️️ -Area at the base of the petiole where cellular break down leads to 
leaf and fruit drop. 
Absorbing root - Answer ️️ -Fine,fibrous roots that take up water and minerals. Most absorbing 
roots are within the top 12 inches (30cm) of soil. 
Adventitious bud - Answer ️️ -Bud arising from a place other than a leaf axil or shoot 
tip,usually as a result of hormonal triggers. 
Aerial root - Answer ️...
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EmilyCharlene
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Exam (elaborations)
ISA Arborist Study Guide Sample Test Questions and Answers Latest (Verified Answers)
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--9March 20242023/2024A+Available in bundle
- ISA Arborist Study Guide Sample Test Questions and Answers Latest (Verified Answers)
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$8.99 More Info
LECTHERINE
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Exam (elaborations)
ISA Arborist Study Guide Sample Test Questions and Answers 100% Pass
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--5February 20242023/2024A+Available in bundle
- ISA Arborist Study Guide Sample Test 
Questions and Answers 100% Pass 
Bark, phloem, cambium, xylem - Answer ️️ -When cutting through a tree with a chain saw or 
drilling into a tree, you would pass through (in order) 
Growth may be stimulated in lateral buds - Answer ️️ -If the terminal bud is removed in 
pruning: 
The growth rings of a tree: - Answer ️️ -Visible because of the rapid growth rate of earlywood 
relative to latewood, can be counted on to approximate trees age, can give...
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EmilyCharlene
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Exam (elaborations)
ISA Arborist Chapter 8: Pruning Latest 2024 Graded A+
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--3February 20242023/2024A+Available in bundle
- ISA Arborist Chapter 8: Pruning Latest 
2024 Graded A+ 
Because pruning removes leaves and reduces the overall photosynthetic capacity of a tree, it also 
reduces _______. - Answer ️️ -growth 
Name five common reasons for removing limbs from trees. - Answer ️️ -dead 
diseased 
hazardous 
crossing 
thinning for light or air penetration 
weight reduction 
size reduction 
obstructing signs, views, clearance, etc. 
To maximize flowering, plants that bloom on current season's wood should be ...
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EmilyCharlene
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Exam (elaborations)
ISA Arborist Chapter 11 Questions and Answers 100% Pass
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--3February 20242023/2024AAvailable in bundle
- ISA Arborist Chapter 11 Questions and 
Answers 100% Pass 
True/False - Plant Health Care and Integrated Pest Management are essentially the same thing. - 
Answer ️️ -False 
Plant resources, produced through photosynthesis, are allocated among 4 primary functions: - 
Answer ️️ -growth 
maintenance (reproduction) 
storage 
defense 
_______ can be described as any factor that limits a plant's ability to acquire sufficient light, 
water, or essential minerals. - Answer ️️ -stress 
The _...
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EmilyCharlene
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Exam (elaborations)
ISA Arborist Chapter 13 (2024/2025) 100% Pass
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---3February 20242023/2024A+
- ISA Arborist Chapter 13 (2024/2025) 100% Pass 
Name five ways that trees can be adversely affected by construction. - Answer ️️ -root injury 
soil compaction 
injury to trunk or branches 
grade change 
excavation/severing root system 
When soil is compacted, the _______ _______ between soil particles is reduced. - Answer ️️ - 
pore space 
The phases of land development are... - Answer ️️ -site clearing and demolition 
rough grading 
utility installation and grading 
construction 
fin...
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EmilyCharlene
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Exam (elaborations)
ISA Arborist Certification Glossary Verified Questions And Answers
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--55September 20232023/2024AAvailable in bundle
- ISA Arborist Certification Glossary Verified Questions And Answers 
Abiotic: Correct Answer: pertaining to the nonliving parts of an ecosystem, such as soil particles, bedrock, air, water. 
 
Abscisic acid (ABA): Correct Answer: a plant hormone that stimulates stomatal closure and promotes seed and bud dormancy. 
 
Abscission zone: Correct Answer: a wall of cells at the base of a petiole, that allows the leaf to separate from the stem. 
 
Acceptable risk: Correct Answer: the amount of risk that ...
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Nipsey