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ISA - Certified Arborist - Test Questions #2 – PRF with Correct Answers
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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 - ANSWER-lightning strike What is most likely NOT a possible c...

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  • November 3, 2024
  • 83
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • isa certified arborist test questions 2 prf

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  • ISA Certified Arborist
  • ISA Certified Arborist

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Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024




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 - ANSWER✔✔-lightning strike


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


- spray injury


- air pollution


- anthracnose


- frost - 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 - ANSWER✔✔-Leaves with a scorched appearance

Copyright ©Stuvia International BV 2010-2024 Page 1/83

,Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024


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


- leafhoppers


- Beetles


- weevils


- borers - ANSWER✔✔-leafhoppers


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


- Pre-emergent


- Contact


- Systemic


- Drench - 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 - ANSWER✔✔-Remove the largest roots first


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


- Mites


- Beetles




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,Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024


- Moths


- Caterpillars - 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 - 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 - 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 - ANSWER✔✔-lawnmower or machinery


Copyright ©Stuvia International BV 2010-2024 Page 3/83

, Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024


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


- maintenance


- growth


- aesthetics


- defense - 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 - 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 - ANSWER✔✔-None of the above



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