ISA Arborist Certification Final Practice
Exams
Compaction during construction has reduced the amount of oxygen
available for a tree's root system. What mitigation technique is least
likely to be effective?
(A) Vertical mulching
(B) Fertilizing
(C) Radial trenching
(D) Air excavator - ✔️✔ Correct Answer B
Which of the following risk characteristics are commonly associated
specifically with urban areas?
(A) Compaction due to foot traffic
(B) Surrounding tree failure
(C) Tree lean
,(D) Branches and stems equal in size - ✔️✔ Correct Answer A
Causation in fact is the linking of an injury or damage related to the
failure of a tree to which of the following?
(A) Code compliance
(B) Action of the defendant
(C) Action of the property owner
(D) "Act of God" - ✔️✔ Correct Answer B
What is not a path of failure for a tree that is facing a wind event?
(A) Soil shear
(B) Root tensile break
(C) Root compressive failure
(D) Trunk rotation - ✔️✔ Correct Answer C
A tree's bark on a limb is damaged by contact with machinery during
construction. What is the most appropriate recommended action?
,(A) Take no action
(B) Remove damaged or loose bark
(C) Remove damaged or loose bark and any additional bark on the
damaged branch
(D) Remove the limb - ✔️✔ Correct Answer B
What is not considered an advantage to the use of drip irrigation?
(A) Decreases the amount of wastewater
(B) Never becomes clogged
(C) Reduces surface compaction
(D) Reduces runoff - ✔️✔ Correct Answer B
What tree type of the options listed below is least suited for use
under utility lines?
(A) Deciduous
(B) Shrubbery
, (C) Conifers
(D) Any species that would grow above the wires - ✔️✔ Correct
Answer D
What is the ideal time to prune trees which have heavy sap flow?
(A) Spring
(B) Fall
(C) Winter
(D) Any time is acceptable - ✔️✔ Correct Answer D
What is not one of the four requirements for a tree disease?
(A) Susceptible host
(B) Existing deformity
(C) Pathogenic organism
(D) Suitable environment - ✔️✔ Correct Answer B
Exams
Compaction during construction has reduced the amount of oxygen
available for a tree's root system. What mitigation technique is least
likely to be effective?
(A) Vertical mulching
(B) Fertilizing
(C) Radial trenching
(D) Air excavator - ✔️✔ Correct Answer B
Which of the following risk characteristics are commonly associated
specifically with urban areas?
(A) Compaction due to foot traffic
(B) Surrounding tree failure
(C) Tree lean
,(D) Branches and stems equal in size - ✔️✔ Correct Answer A
Causation in fact is the linking of an injury or damage related to the
failure of a tree to which of the following?
(A) Code compliance
(B) Action of the defendant
(C) Action of the property owner
(D) "Act of God" - ✔️✔ Correct Answer B
What is not a path of failure for a tree that is facing a wind event?
(A) Soil shear
(B) Root tensile break
(C) Root compressive failure
(D) Trunk rotation - ✔️✔ Correct Answer C
A tree's bark on a limb is damaged by contact with machinery during
construction. What is the most appropriate recommended action?
,(A) Take no action
(B) Remove damaged or loose bark
(C) Remove damaged or loose bark and any additional bark on the
damaged branch
(D) Remove the limb - ✔️✔ Correct Answer B
What is not considered an advantage to the use of drip irrigation?
(A) Decreases the amount of wastewater
(B) Never becomes clogged
(C) Reduces surface compaction
(D) Reduces runoff - ✔️✔ Correct Answer B
What tree type of the options listed below is least suited for use
under utility lines?
(A) Deciduous
(B) Shrubbery
, (C) Conifers
(D) Any species that would grow above the wires - ✔️✔ Correct
Answer D
What is the ideal time to prune trees which have heavy sap flow?
(A) Spring
(B) Fall
(C) Winter
(D) Any time is acceptable - ✔️✔ Correct Answer D
What is not one of the four requirements for a tree disease?
(A) Susceptible host
(B) Existing deformity
(C) Pathogenic organism
(D) Suitable environment - ✔️✔ Correct Answer B
