Practice Exam 9 Flashcards
What herbicide type eliminates the whole of the plant over a short period of time?
a) pre-emergent
b) contact
c) systemic
d) drench
c) systemic
What statement below is true of a tree’s failure potential?
a) related to the complete failure of a specific tree
b) is independent of a tree’s species type
c) encompasses full and partial failure
d) independent of the consequences of failure
c) encompasses full and partial failure
If a tree is suffering from girdling root, what is most likely not an advisable action?
a) remove the largest roots first
b) remove only the smallest roots
c) remove the tree
d) none of the above
a) remove the largest roots first
When using resistance drilling as a means of evaluation, the resistance drilling profile is expected to have a linear relationship with which characteristic of the tree?
a) depth
b) density
c) height
d) weight
b) density
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
c) root compressive failure
What mitigation technique can reduce the risk of damage to an area that needs a grade lowering around a tree?
a) pruning
b) tree island
c) tree protection zone
d) mulching
b) tree island
What substance may be added to soil to temporarily lower the PH?
a) lime
b) ash
c) sulfur
d) calcium
c) sulfur
The movement of water within the soil defines which of the following?
a) infiltration
b) percolation
c) transpiration
d) desiccation
b) percolation
A conifer is being evaluated for identification. The needles are produced singularly and are sharp and square in appearance. What is most likely the type of conifer?
a) pine
b) spruce
c) hemlock
d) none of the above
b) spruce
What macronutrient is an essential component of chlorophyll?
a) nitrogen
b) magnesium
c) sulfur
d) calcium
a) nitrogen
If a traditional wire basket is used as protection for the root ball, what is the recommended amount of removal?
a) the top portion of the basket
b) the top half of the basket
c) the entirety of the basket
d) the basket may be left in its entirety
a) the top portion of the basket
What is not a worker’s right regarding personal safety?
a) ability to determine working hours
b) receive information and training about hazards
c) right to review records of workplace injuries
d) file a complaint to have the workplace reviewed
a) ability to determine working hours
What is not a minimum required element of providing a job briefing as per OSHA requirements?
a) required PPE
b) specific job procedures
c) maximum allowable work hours
d) identify possible hazards
c) maximum allowable work hours
A tree to be felled has a significant lean in a direction perpendicular to the slope direction of the ground. What is the most appropriate retreat path?
a) 45ﾟ opposite the slope of the ground
b) 45ﾟ opposite the lean of the tree
c) 45ﾟ on the slope of the ground side
d) 45ﾟ on the lean side
b) 45ﾟ opposite the lean of the tree
What is the maximum amount of days a worker can wait to file a complaint of non compliance with OSHA?
a) 15
b) 30
c) 45
d) 60
b) 30
What is not an advantage of the use of blocks over running lines through the tree crotch?
a) allow for larger cuts
b) decrease dynamic loading
c) reduce rope wear
d) avoid damage to the tree
a) allow for larger cuts
The presence of fungi is not generally associated with which of the following health disorder symptoms or signs?
a) rust-colored leaves
b) trunk gummosis
c) presence of powdery mildew
d) gall of plant tissue
b) trunk gummosis
What metric is used to determine the action threshold for pest control?
a) pest population density
b) tree deterioration rates
c) tree death rates
d) environmental conditions
a) pest population density
What is most likely an appropriate use of a tree preservation order (TPO)?
a) limitations on tree selection
b) height restrictions on trees
c) protection of a historical trees during construction
d) identification of local risks and stressors
c) protection of a historical trees during construction
What identified element is classified as a symptom and not a sign of a health disorder?
a) conks
b) leaf wilt
c) fruiting bodies
d) discarded skins
b) leaf wilt
A tree is found to have the presence of leaves that are deformed. What is most likely not a possible cause of the symptom?
a) mechanical injury
b) frost
c) virus
d) injury resulting from herbicide
a) mechanical injury
A target zone for risk assessment can be established to identify potential targets. What is an acceptable range for the radius of the zone?
a) half the height of the tree
b) the height of the tree
c) 1.5 times the height of the tree
d) 2 times the height of the tree
b) the height of the tree
In general, the most concerning construction activities for an identified tree has what type of effect on the site?
a) removal of surrounding trees or vegetation
b) activities that affect subsurface conditions
c) threats of physical damage
d) installation of new objects in the surrounding area
b) activities that affect subsurface conditions
When installing hardware in a tree, about how much larger in diameter should the drilled hole be than the hardware?
a) one-sixteenth inch
b) one-eighth inch
c) one-fourth inch
d) one-half inch
a) one-sixteenth inch
Which of the following is another name for the outermost rings of the xylem?
a) phloem
b) sapwood
c) cambium
d) heartwood
b) sapwood
What essential element is more readily available in an acidic environment then alkaline?
a) iron
b) calcium
c) sulfur
d) potassium
a) iron
What component of a branch attachment has the ability to chemically prevent the spread of decay?
a) branch collar
b) branch bark
c) stem
d) branch protection zone
d) branch protection zone
What is not a primary function of tree roots?
a) conduction
b) absorption
c) anchorage
d) defense
d) defense
What rot type primarily is associated with the decay of the lignin within the cells?
a) white
b) soft
c) brown
d) heartwood
a) white
An “Act of God” defense is not suitable for which of the following situations?
a) a known defect causes the failure of a tree
b) a surrounding tree to the one in question fails
c) a storm of greater magnitude than expected occurs
d) an owner refused recommended service and the tree fails due to a storm
a) a known defect causes the failure of a tree
What soil moisture condition occurs when both the micro and macropores are filled with water?
a) pore capacity
b) wilting point
c) field capacity
d) saturation
d) saturation
What health symptom can be linked to poor soil PH?
a) wilting
b) yellow specks
c) single branch dying
d) off-color foliage
d) off-color foliage
Allelopathy can be accurately described by all of the following statements except:
a) detrimental release of biochemicals on surrounding species
b) competition for resources among different species
c) beneficial release of biochemicals on surrounding species
d) chemicals which may be released through living or decomposing plants
b) competition for resources among different species
What is a measure of a tree’s ability to thrive despite stress from a specific environment?
a) vigor
b) mortality
c) vitality
d) threshold
c) vitality
A phenology calendar is used to determine what?
a) seasonal photosynthesis production
b) seasonal presence of pests
c) lifetime growth rate
d) seasonal water absorption rates
b) seasonal presence of pests
Tree ordinances are required to provide all of the following information except:
a) define the jurisdiction’s authority
b) identification of trees in which the rule applies
c) provide the requirements of the ordinance
d) outline the penalties for noncompliance
b) identification of trees in which the rule applies
A tree identified as a hazard must have all of the following characteristics except:
a) an assessment has been performed
b) the tree species has a history of failure
c) a target has been identified
d) mitigation is required to prevent damage
b) the tree species has a history of failure
What tree support cable type is flexible and strong but is limited to specific types of anchorage choices?
a) 7-strand common grade
b) extra-high-strength cable
c) aircraft cable
d) none of the above
c) aircraft cable
What rot type primarily is most commonly associated with conifer trees?
a) white
b) soft
c) brown
d) heartwood
c) brown
What is the specific goal of risk mitigation?
a) improve the health of the tree
b) remove the target of a potential hazard
c) reducing the potential for failure
d) remove the tree if at all possible
c) reducing the potential for failure
