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ISA Sample Test Question
ISA Sample Test Question
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1
Residential properties with trees generally...
Get higher appraisal & sales values than similar properties without trees
Reduce the real estate appraisals of adjoining properties
Are more difficult to sell due to liability concerns
Have no effect on sales or real estate appraisals
2
A measure that can be taken to minimize compaction on a construction site is...
Spreading a temporary, thick layer of mulch over the site
Permanently raising the soil grade to protect tree roots
Watering the site thoroughly before equipment is brought in
Root pruning the trees in advance
3
When two leaves/buds are located at the same node on a twig, the arrangement is called
alternate
whorled
opposite
compound
4
When soil is compacted,
soil particles are broken up, giving the soil a finer texture
micropores combine to form macropores
total pore space and the percentage of macropores are reduced
a higher water content will reduce the damaging effects
5
Releasing predators or parasites of an insect pest in an example of a ...
Chemical control
Biological control
Mechanical control
Cultural control
6
When soils are compacted by construction equipment, trees usually decline because...
all of the above
The ability of the roots to absorb water and minerals decreases
Root growth and expansion may be diminished
Oxygen availability is reduced
7
Damage caused by nonliving factors tend to be...
Random with irregular borders
Random and concentrated on the new growth
Uniform with definite borders
Uniform, but generally not affecting the new growth
8
An advantage of the amon-eye system over the use of an eye bolt is...
The eye bolt is not drop-forged
The length of the rod can be adjusted
They are considered stronger than eye bolts
No washers are needed on the terminations
9
Following construction, forest trees on the edge of remaining stands are prone to failure due to..
Increased exposure to the weather elements
Losing the protection of the trees that used to surround them
All of the above
Less trunk stability and poor taper
10
Scale damage to plants is the result of...
Fungal spore growth depleting xylem reserves
Vascular damage from fungal invasion
Pholem-feeding insects causing a loss of vigor
Physiological disorder due neither to insects nor to disease
11
A Prusik loop is used...
As an arborist block for loweringlimbs
To cable small, multi-stemmed trees
To tie in with the secured footlock method
To attach a tagline to a limb
12
According to many standards, the term "shall" denotes...
A safety suggestion by ISA
An advisory recommendation
None of the above
A mandatory requirement
13
If two bracing rods are installed to support a weak union, they should be placed...
No more than 4 inches (10 cm) apart
In vertical alignment, on above the other
Staggered, and no closer together than the diameter of the trunk
Never use more than one brace rod per crotch
14
A characteristic of sandy soils in arid regions is that they...
are fine in texture due to high sand content
have a high water-holding capacity because rainfall is scarce
tend to become alkaine, and salts build up becuz lack of heavy rain
tend to become acid because basic ions leach out
15
Which type of decay primarily affects lignin within & between cell walls in wood, reducing trees compressive strength?
Soft rot
White rot
Brown rot
Sapwood rot
16
Which of the following is a true statement?
Evergreen conifers are very shade tolerant and scorch in full sunlight
Forest understory plants good for streets because they're short
Some species are adapted dry heat with small thick foliage & sunken stomata
Flood plain species always grow well
17
Douglasfir differs from balsam fir in that
Douglasfir is actually a type of hemlock
balsam fir is not a conifer
they are not in the same family
they are not in the sam genus
18
Microorganisms tend to congregate in the rhizosphere, in part, because...
root hairs tend to collect cations essential to microorganism growth
bacteria preferentially feed on the meristem tissue at the root tips
sugar exudates from the root tips are a source of food
mycorrhizae fix nitrogen and make it available
19
When planting a container-grown tree,
none of the above
Place soft fill in the bottom of the planting hole to encourage root growth
Backfill the hole with soilless growth medium to encourage root growth
Separate and tease apart the roots to reduce girdling root formation
20
When pruning a branch from a tree, the final cut should be...
just outside the branch collar
flush with the parent stem
parallel to the branch bark ridge
at a 45-degree angle to the parent stem
21
An 80-pound bag of 10-6-4 contains how many pounds of actual nitrogen?
8
4
10
6
22
Most of the fine, absorbing roots typically found near the soil surface because...
roots need UV light to drive respiration
phosphorus and potassium are more available
roots grow where conditions are favorable
the pH of the soil is generally higher near the surface
23
Which conifers have needles in bundles?
spruces
firs
pines
hemlocks
24
A systemic pesticide is one that...
Kills all living organisms
Has no harmful effect on the environment
Is translocated throughout the plant
Kills insects on direct contact
25
A soil is at field capacity when
gravitational water has drained away
there is no water available to the roots
it is completely staturated
the permanent wilting point has been reached
26
The situation that can cause chainsaw kickback is...
Uneven sharpening of the chainsaw teeth
The upper quadrant of the guide bar contacts and object
A worn sprocket or guide bar
Failure to maintian adequate chain tension
27
The growth rings of many trees
can give information about growing conditions in previous years
are visble becuz of rapid growth rate of earlywood relative to latewood
can be counted to approximate a tree's age
all of the above
28
Select the scientific name that is written correctly
quercus rubra
Quercus Rubra
Quercus rubra
quercus Rubra
29
A necessary component in the existence of tree risk is...
A tree with a potential for faliure
A person or object that may be injured or damaged
All of the above
An environment that may contribute to failure
30
Fastigiate trees have a growth form that is...
weeping
upright
overarching
vase-shaped
31
The first steps of the emergency response process are to...
Shut off the electricity
Assess the situation and call for emergency help
Reach the victim and secure him or her for descent
Reach the victim and begin first aid
32
If a lag hook is installed into decayed wood, the...
Holding power will be reduced
Decay will likely spread along the lag
All of the above
Decay may be detected when drilling
33
A soil test may not identify a nutrient deficiency problem in a plant because...
the tests are not reliable
the nutrient content can change after collecting
the soil may contain adequate nutrients but something may inhibit uptake
no one knows which levels of nutrients in soils are adequate
34
A commonly used set methods for appraising trees was developed by the...
Consortium of Landscape Professionals
Council of Tree and Landscape Appraisers
Society of Commercial Arborists
Society of Consulting Arborists
35
Placing gravel in the bottom of the planting hole in a clay soil site will...
Improve aeration and water infiltration
Improve drainage
Restrict soil space and create a perched water table
Prevent the formation of girdling roots
36
Air-spading trenches in a wheel-spoke pattern and backfilling with organic matter or a more porous soil is called...
Soil fracturing
Radial aeration
Tunnel aeration
Vertical radiation
37
When it comes to pruning, as a rule, mature trees are...
not tolerant of severe pruning
unlikely to produce water sprouts
more tolerant of extremes than young trees
capable of tolerating heading
38
Gathering info, assessing severity & implications of problem, determine client expect., and deciding action is called...
Integrated Pest Management
The appropriate response process
The cultural control mechanism
Plant Health Care
39
When cabling a multi-stemmed tree, extra support can be added to the system by...
Installing the cables low in the tree with turnbuckles tighten from ground
Cabling the limbs together in triangular combinations
All of the above
Using double cables on each limb
40
Arborists, as trained professionals in tree care,...
Are required to have formal training in risk assessment
Will be held to a higher standard of care than general citizens
Must be qualified to perform a root crown insepection
41
Mycorrhizae are
elongated underground stems producing sucker sprouts
collar-rot fungi
a symbiotic relationship between fungi and roots
cells in which photosynthesis takes place
42
Plant Health Care is a comprehensive program to manage...
Pest, pathogens, and abiotic disorders of trees
Insect and disease of plants
Tree health without the use of pesticides
The appearance, structure, and health of plants
43
Sulfur-coated urea or urea formaldehyde is sometimes included in nitrogen fertilizer because...
slow-release forms of nitrogen are sometimes desired
the soil pH must be adjusted to optimize nutrient uptake
the soil's buffering capacity may inhibit nitrogen absorption
urea is a good, natural source of phosphorus
44
A separate, short length of rope used to tie the friction hitch in an open climbing system is known as a...
Prusik loop
Work-positioning lanyard
Split-tail
Rope sling
45
Which layer of cells is responsible for outward trunk growth and increased girth of a tree?
cortex
epidermis
pith
cambium
46
To prune trees that flower on the previous year's growth and maximize flowering, you should prune...
in late summer after seed formation
any time during the dormant season
in the fall, just after leaf drop
shortly after flowering
47
The classic three-step cut used to remove limbs is also called the...
Jump cut
Topping cut
Hinge cut
Drop cut
48
Head protection is required for tree workers...
Only if chainsaws or chippers are in use
Whenever performing tree care operations
Whenever there are climbers working aloft
When specified by the supervisor
49
Which of the following should be treated first?
Suspended breathing
Severe bleeding
Poisoning
Heat stroke
50
Trees that lean because of ground failure or root injury...
Are a risk only if they begin to grow in compensation for the lean
Are not a threat unless located at the edge of a wooded area
Are less of a risk than those that lean due to phototropism
Have a high potential to fall
51
Arborists should be involved early in the construction planning process because...
Tree preservation measures should be in the specification
There is often little arborists can do to treat construction damage
All of the above
Once construction has begun, it may be too late to save the trees
52
The climate factor that determines hardiness zones is...
temperature, rainfall, and winds
low temperature extremes
east-west location
north-south location
53
Where poor drainage can be a problem, which of the following will not help ensure plant survival?
installation of drain tiles
improvement of surface drainage by changing the grade, or trenching
careful plant selection and shallow planting
placing gravel in the bottom of the planting hole and backfilling w/ sand
54
If the height of a tree must be reduced,...
all of the above
the tree should be root pruned to compensate for foliage loss
branches should be removed at point of orgin or to a large terminal lateral
all cuts should be made at internodes to avoid cutting through buds
55
The mortality spiral describes the...
Process in which pesticides eradicate both pests and good insects
Allocation of resources among growth, storage, and defense
Cumulative effects of stress causing decline of a plant over time
Process of infection and spread of disease in a tree
56
Sandy soils...
have a greater water-holding capacty than clay soils
all of the above
do not ever reach field capacity because drainage is good
have higher infiltration rates than clay soil
57
When cutting through a tree with a chain saw or drilling into a tree, you would pass through (in order)
bark, phloem, cambium, xylem
bark, cambium, xylem, phloem
bark, xylem, phloem, cambium
bark, cambium, phloem, xylem
58
Staking or guying when planting a tree is...
for promoting a larger and stronger root system and better trunk taper
Done only for bare-root trees
not always required or necessary
Not necessary for tree greater than 6 inches (15 cm) in diameter
59
When pruning young trees, it is important to train for a dominant leader and well-spaced scaffold branches so that...
all of the above
future pruning can be minimized
co-dominant branching can be avoided
the tree will be structurally strong
60
A "rope inside a rope" is better known as a...
Hollow-braid line
12-strand line
3-strand line
Double-braid line
61
Which genus of trees usually does
not
have an opposite leaf arrangement?
Quercus (oaks)
Cornus (dogwoods)
Fraxinus (ash)
Acer (maples)
62
Trees to be planted under utility lines should be...
low-growing to remain below the lines
vase-shaped or overarching to clear conductors
all of the above
tolerant of heavy pruning
63
When irrigating trees,
the foliage should be kept wet at night to reduce transpiration
keeping the soil moist at the root flare reduces girdling root formation
the most beneficial and efficient time to water is mid-afternoon
infrequent, deep soakings are preferable to frequent, shallow waterings
64
The most important reason to prune a tree when transplanting is to...
Invigorate the tree
Remove structurally weak or damaged branches
Reduce growth at the tips
Compensate for root loss
65
If a planting hole in a clay soil site is back filled with sandy soil,
improved texture will reduce the chances of girdling roots forming later
drainage will be improved, helping the tree to establish
water will drain very slowly out of the planting hole
nutrients will be more available to the newly established roots in hole
66
Plant damage associated with a sap-feeding insect pest might appear as...
Leaves that have been skeletonized
Leaf mines or blotches
Distorted leaves or shoots
Webs or tents in the tree
67
Twig dieback from periodical cicadas is primarily a result of...
Adults feeding on the foliage
Feeding-induced galls on the twigs and foliage
Ovipositing (egg-laying)
Larvae feeding on the roots
68
With sprinkler irrigation
water hitting the soil surface can lead to crusting
less frequent waterings of longer duration will reduce the salt buildup
application rates that exceed absorption can lead to runoff
all of the above
69
Big portions of trees root systems have been removed during construction, a step that will help preserve the tree is...
A surface application of high rate soluble nitrogen
None of the above
Construction of a tree well
Pruning one-third of the crown to compensate for root loss
70
A condition characterized by a cluster of dwarfed shoots on affected twigs is called...
Chlorosis
Witch's broom
Anthracnose
Verticillium wilt
71
A social benefit of trees and natural areas that has been identified through research is...
Hospital recovery times are lower if trees are visible to the patients
Behavioral improvements in children
Stress reduction from settings with trees
All of the above
72
A complete fertilizer contains...
nitrogen, phosphorus, and potassium
equal amounts of N, P, and K
organic and inorganic nitrogen
all 16 essential elements
73
Some trees acclimate to shade conditions by...
developing larger leaves
any or all of the above
developing thinner leaves
variegated foliage losing variegation, or coloured foliage being greener
74
The purpose of a lightning protection system is to...
all of the above
Reduce the voltage of the strike
Conduct the electrical charge into the soil away from the tree
Prevent the tree from being struck
75
A tree may not respond immediately to fertilizer application if...
all of the above
a slow-release fertilizer was applied
there is inadequate soil moisture
the tree is not actively growing
76
Which of the following should be considered energized with a potentially fatal voltage?
Overhead electric lines
All of the above
Underground electric lines
Telephone and cable TV wires
77
If the terminal bud is removed in pruning,
all of the above
the branch will die back
growth may be stimulated in lateral buds
flowering is stimulated to enhance fruit production
78
Planting a row of palms at various depths to create a row of uniform height
Is recommended to achieve deep rooting in sandy soils
Will not be harmful as long as the soil is sandy and well drained
Can lead to death of the deeply planted trees
Is acceptable due to the deep rooting of palms
79
Detailed plans, requirements, & statements of particular procedures or standards used to define and guide are called...
Best management practices
Specifications
Standards
Ordinances
80
A typical tree ordinance will define the jurisdiction's authority and...
Establish penalties for noncompliance
Specify the responsibility for enforcement
Describe the conditions and requirements of the ordinance
All of the above
