ISA Certified Arborist - Test Questions and Answers
g g g g g g g
2023 - 2024 (Verified Answers by Expert)
g g g g g g g
1. Whatgexamplegofgtreegstressorsgcangbegclassifiedgasgacute?gPEBgPg42
- Lightninggstrike
- insufficientgsoil
- poorglightgexposure
- poorgmoisturegconditions:glightninggstrike
2. WhatgisgmostglikelygNOTgagpossiblegcausegofgdeformedgleaves?gPEBgpgg42
- sprayginjury
- airgpollution
- anthracnose
- frost:gAirgpollution
3. WhatgtreegsymptomgisgNOTglikelygtogbegcausedgbyginsectginfestation?gPEBg
Pg42
- leafgdroop
- yellowgspecks
- off-colorgfoliage
- leavesgwithgagscorchedgappearance:gLeavesgwithgagscorchedgappearance
1g/g45
,4. Whatginsectglistedgbelowgisgclassifiedgasghavinggpiercinggorgsuckinggmouth-
parts?gPEBgPg43
g
- leafhoppers
- Beetles
- weevils
- borers:gleafhoppers
5. Whatgherbicidegtypegeliminatesgthegwholegofgthegplantgovergagshortgperiodgofg
time?gPEBgPg43
- Pre-emergent
- Contact
- Systemic
- Drench:gsystemic
6. Ifgagtreegisgsufferinggfromggirdlinggroot,gwhatgisgmostglikelygNOTgangadvisableg
action?gPEBgPg43
- Removegtheglargestgrootsgfirst
- Removegonlygthegsmallestgroots
- Removegthegtree
- Nonegofgthegabove:gRemovegtheglargestgrootsgfirst
7. WhichgofgthegfollowinggisgNOTgclassifiedgasganginsect?gPEBgPg43
- Mites
- Beetles
- Moths
- Caterpillars:gMites
2g/g45
,8. WhatgstatementgbelowgisgFALSEgregardinggvasculargdisease?gPEBgPg44
- ExamplesgincludegDutchgelmgdiseasegandgoakgwilt
- itgisgtreatablegifgfoundgingagreasonablegtimeframe
- itgaffectsgthegflowgofgwatergandgnutrients
- itgoriginatesgfromgpathogensgenteringgthegplant:gitgisgtreatablegifgfoundgingagr
easonablegtimeframe
9. Cellulosegandgligningaregagdefensegmechanismgagainstgpredatorsgbygwhatg
means?gPEBgPg44
- theyggivegoffgangunfavorablegflavor
- Theygcan'tgbegdigested
- theyghavegagpoorgtaste
- Theygaregtoxic:gTheygcan'tgbegdigested
10. Agtreegexhibitsgwoundedgareasgofgtheglowergtrunkgandgsomegphysicalgda
magegtogsurfacegroots.gWhatgisgmostglikelygthegcausegofginjury?gPEBgPg44
- Frost
- Poorgsoilgconditions
- Lawnmowergorgmachinery
- disease:glawnmowergorgmachinery
11. Whatgisgnotgonegofgthegprimarygfunctionsgofgthegenergygproducedgbyg
photosynthesis?gPEBgPg44
- maintenance
- growth
3g/g45
, - aesthetics
- defense:gaesthetics
12. WhatgstatementgbelowgisgTRUEgregardingghowgagtree'sggrowthgrategandgph
otosynthesisgrategwillgreactgtogthegamountgofgavailablegresources?gPEBgPg45
- Theggrowthgrategwillgbeglimitedgbeforegthegphotosynthesisgrate
- Thegphotosynthesisgrategwillgbeglimitedgbeforegtheggrowthgrate
- Thegphotosynthesisgandggrowthgrategbecomeghinderedgequallygwithg
limitedgresources
-
g Thegphotosynthesisgrategwillgnotgbeghinderedgbyglimitedgresources:gTheggrowthgra
tegwillgbeglimitedgbeforegthegphotosynthesisgrate
13. Whatgsinglegresourceghasgthegmostgdetrimentalgeffectgongagtree'sgabilitygtog
performgphotosynthesisgifglimited?gPEBgPg45
- Light
- Water
- CO2
- Nonegofgthegabove:gNonegofgthegabove
4g/g45
g g g g g g g
2023 - 2024 (Verified Answers by Expert)
g g g g g g g
1. Whatgexamplegofgtreegstressorsgcangbegclassifiedgasgacute?gPEBgPg42
- Lightninggstrike
- insufficientgsoil
- poorglightgexposure
- poorgmoisturegconditions:glightninggstrike
2. WhatgisgmostglikelygNOTgagpossiblegcausegofgdeformedgleaves?gPEBgpgg42
- sprayginjury
- airgpollution
- anthracnose
- frost:gAirgpollution
3. WhatgtreegsymptomgisgNOTglikelygtogbegcausedgbyginsectginfestation?gPEBg
Pg42
- leafgdroop
- yellowgspecks
- off-colorgfoliage
- leavesgwithgagscorchedgappearance:gLeavesgwithgagscorchedgappearance
1g/g45
,4. Whatginsectglistedgbelowgisgclassifiedgasghavinggpiercinggorgsuckinggmouth-
parts?gPEBgPg43
g
- leafhoppers
- Beetles
- weevils
- borers:gleafhoppers
5. Whatgherbicidegtypegeliminatesgthegwholegofgthegplantgovergagshortgperiodgofg
time?gPEBgPg43
- Pre-emergent
- Contact
- Systemic
- Drench:gsystemic
6. Ifgagtreegisgsufferinggfromggirdlinggroot,gwhatgisgmostglikelygNOTgangadvisableg
action?gPEBgPg43
- Removegtheglargestgrootsgfirst
- Removegonlygthegsmallestgroots
- Removegthegtree
- Nonegofgthegabove:gRemovegtheglargestgrootsgfirst
7. WhichgofgthegfollowinggisgNOTgclassifiedgasganginsect?gPEBgPg43
- Mites
- Beetles
- Moths
- Caterpillars:gMites
2g/g45
,8. WhatgstatementgbelowgisgFALSEgregardinggvasculargdisease?gPEBgPg44
- ExamplesgincludegDutchgelmgdiseasegandgoakgwilt
- itgisgtreatablegifgfoundgingagreasonablegtimeframe
- itgaffectsgthegflowgofgwatergandgnutrients
- itgoriginatesgfromgpathogensgenteringgthegplant:gitgisgtreatablegifgfoundgingagr
easonablegtimeframe
9. Cellulosegandgligningaregagdefensegmechanismgagainstgpredatorsgbygwhatg
means?gPEBgPg44
- theyggivegoffgangunfavorablegflavor
- Theygcan'tgbegdigested
- theyghavegagpoorgtaste
- Theygaregtoxic:gTheygcan'tgbegdigested
10. Agtreegexhibitsgwoundedgareasgofgtheglowergtrunkgandgsomegphysicalgda
magegtogsurfacegroots.gWhatgisgmostglikelygthegcausegofginjury?gPEBgPg44
- Frost
- Poorgsoilgconditions
- Lawnmowergorgmachinery
- disease:glawnmowergorgmachinery
11. Whatgisgnotgonegofgthegprimarygfunctionsgofgthegenergygproducedgbyg
photosynthesis?gPEBgPg44
- maintenance
- growth
3g/g45
, - aesthetics
- defense:gaesthetics
12. WhatgstatementgbelowgisgTRUEgregardingghowgagtree'sggrowthgrategandgph
otosynthesisgrategwillgreactgtogthegamountgofgavailablegresources?gPEBgPg45
- Theggrowthgrategwillgbeglimitedgbeforegthegphotosynthesisgrate
- Thegphotosynthesisgrategwillgbeglimitedgbeforegtheggrowthgrate
- Thegphotosynthesisgandggrowthgrategbecomeghinderedgequallygwithg
limitedgresources
-
g Thegphotosynthesisgrategwillgnotgbeghinderedgbyglimitedgresources:gTheggrowthgra
tegwillgbeglimitedgbeforegthegphotosynthesisgrate
13. Whatgsinglegresourceghasgthegmostgdetrimentalgeffectgongagtree'sgabilitygtog
performgphotosynthesisgifglimited?gPEBgPg45
- Light
- Water
- CO2
- Nonegofgthegabove:gNonegofgthegabove
4g/g45
