ISA Certified Arborist Exam Study Guide with Complete Solutions 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
- 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 1 / 2
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 Gymnosperm - Correct Answer Cone bearing plants and gingco Cultivar - Correct Answer Cultivated Variety for a tree/shrub Monocot - Correct Answer one seed leaf Drill Hole Method - Correct Answer aerates the soil 2-4 inches into ground around drip line and uses granular fertilizer.Surface Application - Correct Answer applied fertilizer over surface using spreader Apical Meristems - Correct Answer located at the end of the shoot
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