ISA Certified Arborist Exam Solved Correctly To Score A+ 2025|2026!!!

ISA Certified Arborist Exam Solved
Correctly To Score A+ 2025|2026!!!
Chlorophyll CORRECT ANSWERS Makes the color or the leaves green so
photosynthesis can take place

Transpiration CORRECT ANSWERS loss of water vapor from leaves

Bark CORRECT ANSWERS protects branches & trunk of tree from injury

Excurrent Growth CORRECT ANSWERS Orientation of growth in external cell

M.A.D.HORSE CORRECT ANSWERS Opposite leaf arrangement
MAPLE
ASH
DOGWOOD
HORSECHESTNUT

pH CORRECT ANSWERS Measure of acidity or alkaline from 0 to 14
<7 acidic 7> Alkaline
7 Neutral

Decurrent Growth CORRECT ANSWERS rounded or broader tree growth

Deciduous CORRECT ANSWERS loss of leaves in the fall

Respiration CORRECT ANSWERS process of converting food into energy

Stomata CORRECT ANSWERS pours in leaves that open and close to allow for water
transportation

Xylem CORRECT ANSWERS transportation for the water and minerals throughout the
tree

Phloem CORRECT ANSWERS Conducts Carbohydrates

Osmosis CORRECT ANSWERS Process how water enters roots

Organic Matter CORRECT ANSWERS organic components that are decaying matter to
help increase water holding & nutrients to improve soil structure

Cation Exchange Capacity (CEC) CORRECT ANSWERS measure of soils capacity to
attract, retain & exchange a positive charge