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