ISA Arborist Chapter 13 Complete Study
set Questions with Elaborated Answers
Name five ways that trees can be adversely affected by construction. - CORRECT
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. -
CORRECT ANSWER-pore space
The phases of land development are... - CORRECT ANSWER-site clearing and
demolition
rough grading
utility installation and grading
construction
final grading and landscape installation
If the soil grade on a construction site is _______, a large percentage of a tree's root
system might be removed. IF the grade is _______, the tree's roots might be suffocated.
- CORRECT ANSWER-lowered
raised
A technique used to reduce soil compaction around tees on a construction site is to
spread a temporary, thick layer of _______. - CORRECT ANSWER-mulch
True/False - The overriding objective of an arborist involved in a development project is
to save every tree on the site. - CORRECT ANSWER-false
True/False - It is better to tunnel directly under a tree than to cut directly across the root
system of a tree when excavating for utility lines. - CORRECT ANSWER-true
An important action that should be taken at the start of a construction project is to erect
_______ around all of the trees that are to remain. - CORRECT ANSWER-
fences/barriers
True/False - The largest, most mature trees are not always the best candidates for
preservation. - CORRECT ANSWER-true
True/False - There is far more that an arborist can do to treat trees that have been
damaged by construction than to prevent the damage. - CORRECT ANSWER-false
set Questions with Elaborated Answers
Name five ways that trees can be adversely affected by construction. - CORRECT
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. -
CORRECT ANSWER-pore space
The phases of land development are... - CORRECT ANSWER-site clearing and
demolition
rough grading
utility installation and grading
construction
final grading and landscape installation
If the soil grade on a construction site is _______, a large percentage of a tree's root
system might be removed. IF the grade is _______, the tree's roots might be suffocated.
- CORRECT ANSWER-lowered
raised
A technique used to reduce soil compaction around tees on a construction site is to
spread a temporary, thick layer of _______. - CORRECT ANSWER-mulch
True/False - The overriding objective of an arborist involved in a development project is
to save every tree on the site. - CORRECT ANSWER-false
True/False - It is better to tunnel directly under a tree than to cut directly across the root
system of a tree when excavating for utility lines. - CORRECT ANSWER-true
An important action that should be taken at the start of a construction project is to erect
_______ around all of the trees that are to remain. - CORRECT ANSWER-
fences/barriers
True/False - The largest, most mature trees are not always the best candidates for
preservation. - CORRECT ANSWER-true
True/False - There is far more that an arborist can do to treat trees that have been
damaged by construction than to prevent the damage. - CORRECT ANSWER-false
