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Arborist Exam
Questions and Correct Answers/ Latest
Update / Already Graded A reason for
leaving inside branches when thinning
a tree is that:
Ans: These branches provide food without adding weight to the ends of
the branches
Sap loss (bleeding) by susceptible trees can be reduced by:
Ans: pruning in the fall
When removing 30% of the crown, a juvenile tree would be less
susceptible to decay than a mature tree because:
Ans: pruning wounds tend to be larger on mature trees
When raising the crown, the parts MOST often removed from the tree
are;
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Ans: low, spreading limbs
The objective in shaping a wound should be:
Ans: to minimize the size of the wound
Cutting a large limb back to a small water sprout:
Ans: may result in dieback of the limb
Maximum twig elongation will occur when required pruning is done:
Ans: just before the spring flush of growth
When felling trees, after the notch is cut, the back cut should be
made _______ the point or apex of the notch to prevent kickback
Ans: higher than
Crown restoration is used to:
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Ans: reform the structure by removing undesirable growth
Severe pruning (removal of more than thirty percent of the foliage)
often results in:
Ans: decay in branches where large cuts were made
A branching situation that may create a potential hazard is:
Ans: a lateral branch similar in diameter to the parent branch or stem;
multiple branches origination from one point, lacking branch bark ridges;
codominant stems which have grown close together in the crotch
The MOST likely result of heading back a mature tree by removing
one-third to one-half of the crown just prior to bud break would be:
Ans: sprout production
Which chemical is commonly used to disinfect pruning tools without
corroding them:
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Ans: alcohol-based lysol
When a tree has lost apical control and its top is being overtaken by
lateral branches, the proper method for reestablishing a leader
would be to:
Ans: select a leader and prune the competing laterals
When a final pruning cut is made with a saw:
Ans: the cut sometimes must be made from below or to the side
An adverse effect of heading back shoot terminals in the spring is:
Ans: delayed root growth
Describe a topping (heading) cut on a tree:
Ans: an older branch cut to a stub
indeterminate shoot growth patterns in trees:
Arborist Exam
Questions and Correct Answers/ Latest
Update / Already Graded A reason for
leaving inside branches when thinning
a tree is that:
Ans: These branches provide food without adding weight to the ends of
the branches
Sap loss (bleeding) by susceptible trees can be reduced by:
Ans: pruning in the fall
When removing 30% of the crown, a juvenile tree would be less
susceptible to decay than a mature tree because:
Ans: pruning wounds tend to be larger on mature trees
When raising the crown, the parts MOST often removed from the tree
are;
,2 | Page
Ans: low, spreading limbs
The objective in shaping a wound should be:
Ans: to minimize the size of the wound
Cutting a large limb back to a small water sprout:
Ans: may result in dieback of the limb
Maximum twig elongation will occur when required pruning is done:
Ans: just before the spring flush of growth
When felling trees, after the notch is cut, the back cut should be
made _______ the point or apex of the notch to prevent kickback
Ans: higher than
Crown restoration is used to:
,3 | Page
Ans: reform the structure by removing undesirable growth
Severe pruning (removal of more than thirty percent of the foliage)
often results in:
Ans: decay in branches where large cuts were made
A branching situation that may create a potential hazard is:
Ans: a lateral branch similar in diameter to the parent branch or stem;
multiple branches origination from one point, lacking branch bark ridges;
codominant stems which have grown close together in the crotch
The MOST likely result of heading back a mature tree by removing
one-third to one-half of the crown just prior to bud break would be:
Ans: sprout production
Which chemical is commonly used to disinfect pruning tools without
corroding them:
, 4 | Page
Ans: alcohol-based lysol
When a tree has lost apical control and its top is being overtaken by
lateral branches, the proper method for reestablishing a leader
would be to:
Ans: select a leader and prune the competing laterals
When a final pruning cut is made with a saw:
Ans: the cut sometimes must be made from below or to the side
An adverse effect of heading back shoot terminals in the spring is:
Ans: delayed root growth
Describe a topping (heading) cut on a tree:
Ans: an older branch cut to a stub
indeterminate shoot growth patterns in trees:
