Arborist Test questions with verified detailed answers || || || || || ||
Trees can produce natural chemicals that can have toxic or deterrent effects on other plants
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and insects. Those chemicals are called: - ✔✔Allelochemicals
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The key to any good Plant Health Care program is: - ✔✔Monitoring the plants and growing
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conditions
An insecticide that is trans located throughout the host plant is: - ✔✔Systemic
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The process by which a tree budgets its resources is called: - ✔✔Resource allocation
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Tree problems that require costly intervention on a regular basis may indicate: - ✔✔Tree
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removal and replacement || ||
The distance from the terminal bud of a branch back to the previous years bud scar
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indicates all but which of the following: - ✔✔Tree Species
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Different tree species produce wood of different densities. It is a fact that the denser the
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wood the stronger the wood is at resisting storm damage: - ✔✔True
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Black Locust, eastern red cedar and osage orange are used for fence posts because they are
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decay resistant. Therefore conks and mushrooms are not a significant structural sign or
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decay on these species: - ✔✔True
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When a side branch has been torn off by a storm the remaining limb is just slightly more at
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risk of failure: - ✔✔True
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, A well callused 3 inch squirrel hole is NOT likely to be a sign of structural decay: - ✔✔False
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Researchers say that the pattern of root development int he soil is like spokes on a wheel.
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When a large tree has grown in the 6ft range space between the curb and sidewalk this
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symmetrical pattern is changed significantly due to the: - ✔✔Urban Soil
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Dead branches larger than ( )in in diameter on the street are a hazard risk and should be
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pruned off - ✔✔1in || || ||
Which defect is usually more serious? - ✔✔An old lightning strike
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Included bark - ✔✔Is bark caught between two enlarging branches
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Which is the acceptable reason for over pruning a large tree? - ✔✔To reduce the height of
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the tree with a structural defect
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Which is the LEAST sign of structural decay? - ✔✔Open wounds on the stem
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One of the BEST signs of tree decay is/are: - ✔✔The presence of fruiting bodies on the
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trunk
Co-dominant stems with included bark: - ✔✔Can often be a point of failure|| || || || || || || || || || || ||
Most experts agree that the threshold of______% strength loss of sound trunk wood due to
|| || || || || || || || || || || || || || ||
decay requires that some action be taken. - ✔✔30-35%
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Trees can produce natural chemicals that can have toxic or deterrent effects on other plants
|| || || || || || || || || || || || || || ||
and insects. Those chemicals are called: - ✔✔Allelochemicals
|| || || || || || ||
The key to any good Plant Health Care program is: - ✔✔Monitoring the plants and growing
|| || || || || || || || || || || || || || || ||
conditions
An insecticide that is trans located throughout the host plant is: - ✔✔Systemic
|| || || || || || || || || || || ||
The process by which a tree budgets its resources is called: - ✔✔Resource allocation
|| || || || || || || || || || || || ||
Tree problems that require costly intervention on a regular basis may indicate: - ✔✔Tree
|| || || || || || || || || || || || || ||
removal and replacement || ||
The distance from the terminal bud of a branch back to the previous years bud scar
|| || || || || || || || || || || || || || || ||
indicates all but which of the following: - ✔✔Tree Species
|| || || || || || || || ||
Different tree species produce wood of different densities. It is a fact that the denser the
|| || || || || || || || || || || || || || || ||
wood the stronger the wood is at resisting storm damage: - ✔✔True
|| || || || || || || || || || ||
Black Locust, eastern red cedar and osage orange are used for fence posts because they are
|| || || || || || || || || || || || || || || ||
decay resistant. Therefore conks and mushrooms are not a significant structural sign or
|| || || || || || || || || || || || ||
decay on these species: - ✔✔True
|| || || || ||
When a side branch has been torn off by a storm the remaining limb is just slightly more at
|| || || || || || || || || || || || || || || || || || ||
risk of failure: - ✔✔True
|| || || ||
, A well callused 3 inch squirrel hole is NOT likely to be a sign of structural decay: - ✔✔False
|| || || || || || || || || || || || || || || || || ||
Researchers say that the pattern of root development int he soil is like spokes on a wheel.
|| || || || || || || || || || || || || || || || ||
When a large tree has grown in the 6ft range space between the curb and sidewalk this
|| || || || || || || || || || || || || || || || ||
symmetrical pattern is changed significantly due to the: - ✔✔Urban Soil
|| || || || || || || || || ||
Dead branches larger than ( )in in diameter on the street are a hazard risk and should be
|| || || || || || || || || || || || || || || || || ||
pruned off - ✔✔1in || || ||
Which defect is usually more serious? - ✔✔An old lightning strike
|| || || || || || || || || ||
Included bark - ✔✔Is bark caught between two enlarging branches
|| || || || || || || || ||
Which is the acceptable reason for over pruning a large tree? - ✔✔To reduce the height of
|| || || || || || || || || || || || || || || || ||
the tree with a structural defect
|| || || || ||
Which is the LEAST sign of structural decay? - ✔✔Open wounds on the stem
|| || || || || || || || || || || || ||
One of the BEST signs of tree decay is/are: - ✔✔The presence of fruiting bodies on the
|| || || || || || || || || || || || || || || || ||
trunk
Co-dominant stems with included bark: - ✔✔Can often be a point of failure|| || || || || || || || || || || ||
Most experts agree that the threshold of______% strength loss of sound trunk wood due to
|| || || || || || || || || || || || || || ||
decay requires that some action be taken. - ✔✔30-35%
|| || || || || || || ||
