Arborist Certification Test Prep Questions
and Answers Updated 2026/2027 Version |
Verified Answers
1. monitoring - ANSWER ✅ ____ is the process of observing, identifying,
recording, and analyzing what happens in the landscape
2. resistant - ANSWER ✅ when possible, arborists should select trees that are
____ to known insects or diseases
3. true - ANSWER ✅ T/F- a simple degree-day model uses an established
threshold temperature and the daily average temps to predict pest
development stages
4. monocultures - ANSWER ✅ extensive plantings of the same species,
known as ____ , can have catastrophic consequences if an uncontrollable
problem is introduced
5. true - ANSWER ✅ T/F- pesticides often kill the targeted pest within
minutes or hours of application
6. key pests - ANSWER ✅ ____ ____ are organisms that are frequently
encountered in landscapes, predictably cause injury to landscape plants, and
may include particularly noxious pests in the area
,7. systemic - ANSWER ✅ ____ pesticides are taken up by the plant and
translocated throughout the branches and into the leaves
8. false - ANSWER ✅ T/F- the use of multiple pesticides with different active
ingredients or modes of action in a rotation system will increase the
incidence of pesticide resistance
9. true - ANSWER ✅ T/F- insceticidal soaps disrupt the cell membranes of
soft bodied insects
10.pest resurgence - ANSWER ✅ ____ ____ occurs when the pest population
rapidly rebounds in the absence of natural enemies
11.insect growth regulators - ANSWER ✅ ____ ____ ____ are synthetic
compounds that act like insect hormones
12.microbial pesticides - ANSWER ✅ ____ ____ are derived from certain
bacterial pathogens of insects
13.false - ANSWER ✅ T/F- horticultural oil applications are always safe to use
on trees in leaf because they have phytotoxic properties
14.aircraft cable - ANSWER ✅ one advantage of ____ ____ is that its both
strong and flexible. a potential drawback is the attachment limitations
15.2/3 - ANSWER ✅ as a general rule, cables should be installed ____-____
the distance from the weak branch union to the top of the tree, as long as the
wood is solid and large enough to install the hardware
, 16.taut - ANSWER ✅ limbs may be brought closer together while installing
the cable, so that when released, the cable will be just ____
17.lag eyes, lag hooks - ANSWER ✅ dead end hardware such as ____ ____ or
____ ____ can be used as anchors in mallet branches that are not decayed
18.eye bolts, threaded rods, amon-eye nuts - ANSWER ✅ in decayed wood, or
limbs greater than 8 inches in diameter, ____ ____ or ____ ____ with ____
____ ____ must be used to attach cables
19.true - ANSWER ✅ T/F- when more than one cable is installed on the same
limb, the hardware should be spaced at least as far apart as the diameter of
the limb
20.thimble - ANSWER ✅ a ____ is used to form the eye at the end of a cable
21.dead end grips - ANSWER ✅ EHS cable should be attached to hardware
using ____ ____ ____
22.false - ANSWER ✅ T/F- the installation of metal cables, if done properly,
will not wound the tree
23.machine threaded rods, lag threaded rods - ANSWER ✅ the 2 types of rods
commonly used to brace a tree are ____ ____ ____ and ____ ____ ____
and Answers Updated 2026/2027 Version |
Verified Answers
1. monitoring - ANSWER ✅ ____ is the process of observing, identifying,
recording, and analyzing what happens in the landscape
2. resistant - ANSWER ✅ when possible, arborists should select trees that are
____ to known insects or diseases
3. true - ANSWER ✅ T/F- a simple degree-day model uses an established
threshold temperature and the daily average temps to predict pest
development stages
4. monocultures - ANSWER ✅ extensive plantings of the same species,
known as ____ , can have catastrophic consequences if an uncontrollable
problem is introduced
5. true - ANSWER ✅ T/F- pesticides often kill the targeted pest within
minutes or hours of application
6. key pests - ANSWER ✅ ____ ____ are organisms that are frequently
encountered in landscapes, predictably cause injury to landscape plants, and
may include particularly noxious pests in the area
,7. systemic - ANSWER ✅ ____ pesticides are taken up by the plant and
translocated throughout the branches and into the leaves
8. false - ANSWER ✅ T/F- the use of multiple pesticides with different active
ingredients or modes of action in a rotation system will increase the
incidence of pesticide resistance
9. true - ANSWER ✅ T/F- insceticidal soaps disrupt the cell membranes of
soft bodied insects
10.pest resurgence - ANSWER ✅ ____ ____ occurs when the pest population
rapidly rebounds in the absence of natural enemies
11.insect growth regulators - ANSWER ✅ ____ ____ ____ are synthetic
compounds that act like insect hormones
12.microbial pesticides - ANSWER ✅ ____ ____ are derived from certain
bacterial pathogens of insects
13.false - ANSWER ✅ T/F- horticultural oil applications are always safe to use
on trees in leaf because they have phytotoxic properties
14.aircraft cable - ANSWER ✅ one advantage of ____ ____ is that its both
strong and flexible. a potential drawback is the attachment limitations
15.2/3 - ANSWER ✅ as a general rule, cables should be installed ____-____
the distance from the weak branch union to the top of the tree, as long as the
wood is solid and large enough to install the hardware
, 16.taut - ANSWER ✅ limbs may be brought closer together while installing
the cable, so that when released, the cable will be just ____
17.lag eyes, lag hooks - ANSWER ✅ dead end hardware such as ____ ____ or
____ ____ can be used as anchors in mallet branches that are not decayed
18.eye bolts, threaded rods, amon-eye nuts - ANSWER ✅ in decayed wood, or
limbs greater than 8 inches in diameter, ____ ____ or ____ ____ with ____
____ ____ must be used to attach cables
19.true - ANSWER ✅ T/F- when more than one cable is installed on the same
limb, the hardware should be spaced at least as far apart as the diameter of
the limb
20.thimble - ANSWER ✅ a ____ is used to form the eye at the end of a cable
21.dead end grips - ANSWER ✅ EHS cable should be attached to hardware
using ____ ____ ____
22.false - ANSWER ✅ T/F- the installation of metal cables, if done properly,
will not wound the tree
23.machine threaded rods, lag threaded rods - ANSWER ✅ the 2 types of rods
commonly used to brace a tree are ____ ____ ____ and ____ ____ ____
