ISA Certified Arborist Exam Questions With Correct Answers

ISA Certified Arborist Exam Questions
With Correct Answers

Chlorophyll |- |CORRECT |ANSWER✔✔-Makes |the |color |or |the |leaves |green |so |photosynthesis |
can |take |place



Transpiration |- |CORRECT |ANSWER✔✔-loss |of |water |vapor |from |leaves



Bark |- |CORRECT |ANSWER✔✔-protects |branches |& |trunk |of |tree |from |injury



Excurrent |Growth |- |CORRECT |ANSWER✔✔-Orientation |of |growth |in |external |cell



M.A.D.HORSE |- |CORRECT |ANSWER✔✔-Opposite |leaf |arrangement |

MAPLE

ASH

DOGWOOD

HORSECHESTNUT



pH |- |CORRECT |ANSWER✔✔-Measure |of |acidity |or |alkaline |from |0 |to |14

<7 |acidic |7> |Alkaline |

7 |Neutral



Decurrent |Growth |- |CORRECT |ANSWER✔✔-rounded |or |broader |tree |growth

, Deciduous |- |CORRECT |ANSWER✔✔-loss |of |leaves |in |the |fall



Respiration |- |CORRECT |ANSWER✔✔-process |of |converting |food |into |energy



Stomata |- |CORRECT |ANSWER✔✔-pours |in |leaves |that |open |and |close |to |allow |for |water |
transportation



Xylem |- |CORRECT |ANSWER✔✔-transportation |for |the |water |and |minerals |throughout |the |tree



Phloem |- |CORRECT |ANSWER✔✔-Conducts |Carbohydrates



Osmosis |- |CORRECT |ANSWER✔✔-Process |how |water |enters |roots



Organic |Matter |- |CORRECT |ANSWER✔✔-organic |components |that |are |decaying |matter |to |help |
increase |water |holding |& |nutrients |to |improve |soil |structure



Cation |Exchange |Capacity |(CEC) |- |CORRECT |ANSWER✔✔-measure |of |soils |capacity |to |attract, |
retain |& |exchange |a |positive |charge



Girdling |Roots |- |CORRECT |ANSWER✔✔-roots |that |grow |across |or |around |the |trunk, |potentially
|choking |off |vascular |tissues |in |a |tree. |May |cause |decline |or |death




Taxonomy |- |CORRECT |ANSWER✔✔-Classification |of |plants



Levels |of |Classification |- |CORRECT |ANSWER✔✔-Kingdom |> |Phylum |> |Class |> |Order |> |Family |> |
Genus |> |Species |> |Specific |epithet



Angiosperm |- |CORRECT |ANSWER✔✔-flowering |plant