1
ISA Certified Arborist Exam (Latest
Update) Questions and Verified Answers | 100%
Correct | Grade A+
Chlorophyll - ...(ANSWERS)....Makes the color or the leaves green so
photosynthesis can take place
Transpiration - ...(ANSWERS)....loss of water vapor from leaves
Bark - ...(ANSWERS)....protects branches & trunk of tree from injury
Excurrent Growth - ...(ANSWERS)....Orientation of growth in external cell
M.A.D.HORSE - ...(ANSWERS)....Opposite leaf arrangement
MAPLE
ASH
DOGWOOD
HORSECHESTNUT
pH - ...(ANSWERS)....Measure of acidity or alkaline from 0 to 14
<7 acidic 7> Alkaline
7 Neutral
Decurrent Growth - ...(ANSWERS)....rounded or broader tree growth
, 2
Deciduous - ...(ANSWERS)....loss of leaves in the fall
Respiration - ...(ANSWERS)....process of converting food into energy
Stomata - ...(ANSWERS)....pours in leaves that open and close to allow for water
transportation
Xylem - ...(ANSWERS)....transportation for the water and minerals throughout the
tree
Phloem - ...(ANSWERS)....Conducts Carbohydrates
Osmosis - ...(ANSWERS)....Process how water enters roots
Organic Matter - ...(ANSWERS)....organic components that are decaying matter to
help increase water holding & nutrients to improve soil structure
Cation Exchange Capacity (CEC) - ...(ANSWERS)....measure of soils capacity to
attract, retain & exchange a positive charge
Girdling Roots - ...(ANSWERS)....roots that grow across or around the trunk,
potentially choking off vascular tissues in a tree. May cause decline or death
ISA Certified Arborist Exam (Latest
Update) Questions and Verified Answers | 100%
Correct | Grade A+
Chlorophyll - ...(ANSWERS)....Makes the color or the leaves green so
photosynthesis can take place
Transpiration - ...(ANSWERS)....loss of water vapor from leaves
Bark - ...(ANSWERS)....protects branches & trunk of tree from injury
Excurrent Growth - ...(ANSWERS)....Orientation of growth in external cell
M.A.D.HORSE - ...(ANSWERS)....Opposite leaf arrangement
MAPLE
ASH
DOGWOOD
HORSECHESTNUT
pH - ...(ANSWERS)....Measure of acidity or alkaline from 0 to 14
<7 acidic 7> Alkaline
7 Neutral
Decurrent Growth - ...(ANSWERS)....rounded or broader tree growth
, 2
Deciduous - ...(ANSWERS)....loss of leaves in the fall
Respiration - ...(ANSWERS)....process of converting food into energy
Stomata - ...(ANSWERS)....pours in leaves that open and close to allow for water
transportation
Xylem - ...(ANSWERS)....transportation for the water and minerals throughout the
tree
Phloem - ...(ANSWERS)....Conducts Carbohydrates
Osmosis - ...(ANSWERS)....Process how water enters roots
Organic Matter - ...(ANSWERS)....organic components that are decaying matter to
help increase water holding & nutrients to improve soil structure
Cation Exchange Capacity (CEC) - ...(ANSWERS)....measure of soils capacity to
attract, retain & exchange a positive charge
Girdling Roots - ...(ANSWERS)....roots that grow across or around the trunk,
potentially choking off vascular tissues in a tree. May cause decline or death