ISA - Certified Arborist - Test Questions -2 – PRF with correct answers

ISA - Certified | | |




Arborist - Test | | |




Questions #2 – PRF | | | |




with correct answers | |




What |example |of |tree |stressors |can |be |classified |as |acute? |PEB |Pg42

- |Lightning |strike

- |insufficient |soil

- |poor |light |exposure

- |poor |moisture |conditions |- |correct |answer |lightning |strike



What |is |most |likely |NOT |a |possible |cause |of |deformed |leaves? |PEB |pg |42

- |spray |injury

- |air |pollution

- |anthracnose

- |frost |- |correct |answer |Air |pollution



What |tree |symptom |is |NOT |likely |to |be |caused |by |insect |infestation? |PEB |Pg42

,- |leaf |droop

- |yellow |specks

- |off-color |foliage

- |leaves |with |a |scorched |appearance |- |correct |answer |Leaves |with |a |scorched |appearance



What |insect |listed |below |is |classified |as |having |piercing |or |sucking |mouthparts? |PEB |Pg43

- |leafhoppers

- |Beetles

- |weevils

- |borers |- |correct |answer |leafhoppers



What |herbicide |type |eliminates |the |whole |of |the |plant |over |a |short |period |of |time? |PEB |Pg43

- |Pre-emergent

- |Contact

- |Systemic

- |Drench |- |correct |answer |systemic



If |a |tree |is |suffering |from |girdling |root, |what |is |most |likely |NOT |an |advisable |action? |PEB |Pg43

- |Remove |the |largest |roots |first

- |Remove |only |the |smallest |roots

- |Remove |the |tree

- |None |of |the |above |- |correct |answer |Remove |the |largest |roots |first



Which |of |the |following |is |NOT |classified |as |an |insect? |PEB |Pg43

- |Mites

- |Beetles

,- |Moths

- |Caterpillars |- |correct |answer |Mites



What |statement |below |is |FALSE |regarding |vascular |disease? |PEB |Pg44

- |Examples |include |Dutch |elm |disease |and |oak |wilt

- |it |is |treatable |if |found |in |a |reasonable |timeframe

- |it |affects |the |flow |of |water |and |nutrients

- |it |originates |from |pathogens |entering |the |plant |- |correct |answer |it |is |treatable |if |found |in |a |
reasonable |timeframe



Cellulose |and |lignin |are |a |defense |mechanism |against |predators |by |what |means? |PEB |Pg44

- |they |give |off |an |unfavorable |flavor

- |They |can't |be |digested

- |they |have |a |poor |taste

- |They |are |toxic |- |correct |answer |They |can't |be |digested



A |tree |exhibits |wounded |areas |of |the |lower |trunk |and |some |physical |damage |to |surface |roots.
|What |is |most |likely |the |cause |of |injury? |PEB |Pg44



- |Frost

- |Poor |soil |conditions

- |Lawnmower |or |machinery

- |disease |- |correct |answer |lawnmower |or |machinery



What |is |not |one |of |the |primary |functions |of |the |energy |produced |by |photosynthesis? |PEB |
Pg44

- |maintenance

- |growth

, - |aesthetics

- |defense |- |correct |answer |aesthetics



What |statement |below |is |TRUE |regarding |how |a |tree's |growth |rate |and |photosynthesis |rate |
will |react |to |the |amount |of |available |resources? |PEB |Pg45

- |The |growth |rate |will |be |limited |before |the |photosynthesis |rate

- |The |photosynthesis |rate |will |be |limited |before |the |growth |rate

- |The |photosynthesis |and |growth |rate |become |hindered |equally |with

| limited |resources

- |The |photosynthesis |rate |will |not |be |hindered |by |limited |resources |- |correct |answer |The |
growth |rate |will |be |limited |before |the |photosynthesis |rate



What |single |resource |has |the |most |detrimental |effect |on |a |tree's |ability |to |perform |
photosynthesis |if |limited? |PEB |Pg45

- |Light

- |Water

- |CO2

- |None |of |the |above |- |correct |answer |None |of |the |above



What |extract |listed |below |is |NOT |an |allelochemical |classified |as |a |natural |insecticide? |PEB |
Pg45

- |Nicotine

- |Lignin

- |Rotenone

- |Neem |- |correct |answer |Lignin



A |tree |is |identified |as |being |in |the |mortality |spiral |when |what |has |occurred? |PEB |Pg45