ISA - Certified Arborist - Test Questions #2 - PRF Questions And
Answers F A+ Score!!!
1. What example of tree stressors can be
lightning strike
classified as acute? PEB Pg42
- Lightning strike
- insufficient soil
- poor light exposure
- poor moisture conditions
2. What is most likely NOT a possible cause of deformed Air pollution
leaves? PEB pg 42
- spray injury
- air pollution
- anthracnose
- frost
3. What tree symptom is NOT likely to be Leaves with a scorched
caused by insect infestation? PEB Pg42 appearance
- leaf droop
- yellow specks
- off-color foliage
- leaves with a scorched appearance
4. What insect listed below is classified as leafhoppers
having pierc- ing or sucking mouthparts? PEB
Pg43
- leafhoppers
- Beetles
- weevils
- borers
5. What herbicide type eliminates the whole of the plant systemic
over a short period of time? PEB Pg43
- Pre-emergent
, ISA - Certified Arborist - Test Questions #2 - PRF Questions And
Answers F A+ Score!!!
- Contact
- Systemic
- Drench
6. If a tree is suffering from girdling root, what is Remove the largest roots
most likely NOT an advisable action? PEB first
Pg43
- Remove the largest roots first
- Remove only the smallest roots
- Remove the tree
- None of the above
Mites
7. Which of the following is NOT classified as an
insect? PEB Pg43
- Mites
- Beetles
- Moths
- Caterpillars
it is treatable if found in a
8. What statement below is FALSE regarding reasonable
vascular disease? PEB Pg44 timeframe
- 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
9. Cellulose and lignin are a defense mechanism against They can't be
digested
predators by what means? PEB Pg44
,ISA - Certified Arborist - Test Questions #2 - PRF Questions And
Answers F A+ Score!!!
- they give off an unfavorable flavor
- They can't be digested
- they have a poor taste
- They are toxic
, ISA - Certified Arborist - Test Questions #2 - PRF Questions And
Answers F A+ Score!!!
10. A tree exhibits wounded areas of the lower trunk and lawnmower or
machinery
some physical damage to surface roots. What
is most likely the cause of injury? PEB Pg44
- Frost
- Poor soil conditions
- Lawnmower or machinery
- disease
11. What is not one of the primary functions of the energy aesthetics
produced by photosynthesis? PEB Pg44
- maintenance
- growth
- aesthetics
- defense
12. What statement below is TRUE regarding how a tree's The growth rate
will be
growth rate and photosynthesis rate will react effect on
to the amount of available resources? PEB tree's abili
Pg45 to perfor
- The growth rate will be limited before the photosynth
photosyn- thesis rate sis
- The photosynthesis rate will be limited limited?
before the growth rate PEB Pg45
- The photosynthesis and growth rate
become hin- dered equally with
limited resources
- The photosynthesis rate will not be hindered
by lim- ited resources
13. What single resource has the most detrimental
Answers F A+ Score!!!
1. What example of tree stressors can be
lightning strike
classified as acute? PEB Pg42
- Lightning strike
- insufficient soil
- poor light exposure
- poor moisture conditions
2. What is most likely NOT a possible cause of deformed Air pollution
leaves? PEB pg 42
- spray injury
- air pollution
- anthracnose
- frost
3. What tree symptom is NOT likely to be Leaves with a scorched
caused by insect infestation? PEB Pg42 appearance
- leaf droop
- yellow specks
- off-color foliage
- leaves with a scorched appearance
4. What insect listed below is classified as leafhoppers
having pierc- ing or sucking mouthparts? PEB
Pg43
- leafhoppers
- Beetles
- weevils
- borers
5. What herbicide type eliminates the whole of the plant systemic
over a short period of time? PEB Pg43
- Pre-emergent
, ISA - Certified Arborist - Test Questions #2 - PRF Questions And
Answers F A+ Score!!!
- Contact
- Systemic
- Drench
6. If a tree is suffering from girdling root, what is Remove the largest roots
most likely NOT an advisable action? PEB first
Pg43
- Remove the largest roots first
- Remove only the smallest roots
- Remove the tree
- None of the above
Mites
7. Which of the following is NOT classified as an
insect? PEB Pg43
- Mites
- Beetles
- Moths
- Caterpillars
it is treatable if found in a
8. What statement below is FALSE regarding reasonable
vascular disease? PEB Pg44 timeframe
- 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
9. Cellulose and lignin are a defense mechanism against They can't be
digested
predators by what means? PEB Pg44
,ISA - Certified Arborist - Test Questions #2 - PRF Questions And
Answers F A+ Score!!!
- they give off an unfavorable flavor
- They can't be digested
- they have a poor taste
- They are toxic
, ISA - Certified Arborist - Test Questions #2 - PRF Questions And
Answers F A+ Score!!!
10. A tree exhibits wounded areas of the lower trunk and lawnmower or
machinery
some physical damage to surface roots. What
is most likely the cause of injury? PEB Pg44
- Frost
- Poor soil conditions
- Lawnmower or machinery
- disease
11. What is not one of the primary functions of the energy aesthetics
produced by photosynthesis? PEB Pg44
- maintenance
- growth
- aesthetics
- defense
12. What statement below is TRUE regarding how a tree's The growth rate
will be
growth rate and photosynthesis rate will react effect on
to the amount of available resources? PEB tree's abili
Pg45 to perfor
- The growth rate will be limited before the photosynth
photosyn- thesis rate sis
- The photosynthesis rate will be limited limited?
before the growth rate PEB Pg45
- The photosynthesis and growth rate
become hin- dered equally with
limited resources
- The photosynthesis rate will not be hindered
by lim- ited resources
13. What single resource has the most detrimental
