ISA CERTIFIED ARBORIST UPDATED EXAMS
SCRIPT QUESTIONS AND ANSWERS SURE A+
✔✔Gravitational Water - ✔✔water that drains from the macropores
✔✔Meristems - ✔✔part of the root that gets it get bigger
✔✔Micropores - ✔✔tend to be water filled soil particles
✔✔Clay - ✔✔fine textured soil particles; greater water holding capability
✔✔Control of growth - ✔✔genetic potentials & environmental surroundings
✔✔Root Pruning - ✔✔pre-digging to create a more densely rooted ball
✔✔Sand - ✔✔course textured particles
✔✔Nitrogen - ✔✔component of chlorophyll & makes plant material grow faster/greener
✔✔Infiltration Rate - ✔✔rate at which water soaks into soil
✔✔Water Holding Capacity - ✔✔amount of water held in soil after drainage occures
, ✔✔Soil Testing - ✔✔provides info about the pH of a soil & can tell you how much or
how little fert. is needed
✔✔Acclimation - ✔✔gradual process by which a tree changes in its environment
✔✔Slow Release Ferts - ✔✔release nutrients & nitrogen slowly over a period of time
into the soil
✔✔Nomenclature - ✔✔naming of plants
✔✔Macronutrient - ✔✔elements like copper, chlorine, boron required by trees in large
quantities
✔✔Injections - ✔✔introduces fert. directly into xylem of tree
✔✔Liquid Injection - ✔✔hydraulic spraying method into soil
✔✔Hardiness - ✔✔ability of a tree to withstand low temps & winter stress
✔✔Compartmentalization - ✔✔natural process of defense in trees by which they wall off
decay in wood
✔✔Co-dominate Stems - ✔✔when 2 stems of the qual size arise from a union
✔✔Topping - ✔✔cutting off the crown of a tree
✔✔Cations - ✔✔elements dissolved into water that become positively charged particles
✔✔Dicotyledon - ✔✔two seed leaves at germination
✔✔ Chlorophyll - ✔✔Makes the color or the leaves green so photosynthesis can take
place
✔✔Transpiration - ✔✔loss of water vapor from leaves
✔✔Bark - ✔✔protects branches & trunk of tree from injury
✔✔Excurrent Growth - ✔✔Orientation of growth in external cell
✔✔M.A.D.HORSE - ✔✔Opposite leaf arrangement
MAPLE
ASH
DOGWOOD
HORSECHESTNUT
SCRIPT QUESTIONS AND ANSWERS SURE A+
✔✔Gravitational Water - ✔✔water that drains from the macropores
✔✔Meristems - ✔✔part of the root that gets it get bigger
✔✔Micropores - ✔✔tend to be water filled soil particles
✔✔Clay - ✔✔fine textured soil particles; greater water holding capability
✔✔Control of growth - ✔✔genetic potentials & environmental surroundings
✔✔Root Pruning - ✔✔pre-digging to create a more densely rooted ball
✔✔Sand - ✔✔course textured particles
✔✔Nitrogen - ✔✔component of chlorophyll & makes plant material grow faster/greener
✔✔Infiltration Rate - ✔✔rate at which water soaks into soil
✔✔Water Holding Capacity - ✔✔amount of water held in soil after drainage occures
, ✔✔Soil Testing - ✔✔provides info about the pH of a soil & can tell you how much or
how little fert. is needed
✔✔Acclimation - ✔✔gradual process by which a tree changes in its environment
✔✔Slow Release Ferts - ✔✔release nutrients & nitrogen slowly over a period of time
into the soil
✔✔Nomenclature - ✔✔naming of plants
✔✔Macronutrient - ✔✔elements like copper, chlorine, boron required by trees in large
quantities
✔✔Injections - ✔✔introduces fert. directly into xylem of tree
✔✔Liquid Injection - ✔✔hydraulic spraying method into soil
✔✔Hardiness - ✔✔ability of a tree to withstand low temps & winter stress
✔✔Compartmentalization - ✔✔natural process of defense in trees by which they wall off
decay in wood
✔✔Co-dominate Stems - ✔✔when 2 stems of the qual size arise from a union
✔✔Topping - ✔✔cutting off the crown of a tree
✔✔Cations - ✔✔elements dissolved into water that become positively charged particles
✔✔Dicotyledon - ✔✔two seed leaves at germination
✔✔ Chlorophyll - ✔✔Makes the color or the leaves green so photosynthesis can take
place
✔✔Transpiration - ✔✔loss of water vapor from leaves
✔✔Bark - ✔✔protects branches & trunk of tree from injury
✔✔Excurrent Growth - ✔✔Orientation of growth in external cell
✔✔M.A.D.HORSE - ✔✔Opposite leaf arrangement
MAPLE
ASH
DOGWOOD
HORSECHESTNUT