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ISA Certified Arborist Exam Study Guide
Solutions
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
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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
Gymnosperm - ANSWER✔✔-Cone bearing plants and gingco
Cultivar - ANSWER✔✔-Cultivated Variety for a tree/shrub
Monocot - ANSWER✔✔-one seed leaf
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ISA Certified Arborist Exam Study Guide
Solutions
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
Copyright ©Stuvia International BV 2010-2024 Page 1/5
, Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024
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
Gymnosperm - ANSWER✔✔-Cone bearing plants and gingco
Cultivar - ANSWER✔✔-Cultivated Variety for a tree/shrub
Monocot - ANSWER✔✔-one seed leaf
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