Arborist

ISA Utility Arborist Master (All Sections) FINAL EXAM CERTIFICATION *Q&A* (100% Correct) 2025/2026 |VERIFIED| True/False **1.** A high-reliability organization would always accept an employee's first request for personal protective equipment. **False** **2.** The necessity of performing safety meetings and work briefings is never questioned in a high reliability organization. **False** **3.** Published safety data for utility arboriculture is readily avail...

ISA Certified Arborist – Introduction Exam *Q&A* (100% Correct) 2025/2026 |VERIFIED| What is the primary goal of arboriculture? The care and management of individual trees and shrubs in a landscape setting Name one of the key physiological processes trees rely on to produce food. Photosynthesis What is the cambium layer's primary function in a tree? To produce new cells for the inner bark and sapwood Explain the role of xylem tissue in trees. Transport wate...

ISA Certified Arborist Exam- Updated Question and Answers [100% Correct] 2025/2026 What is the main pigment responsible for the green coloration in plant leaves, and what role does it play in photosynthesis? Chlorophyll is the primary pigment that gives leaves their green color. It plays a crucial role in capturing light energy, which is then used during photosynthesis to convert carbon dioxide and water into glucose and oxygen. How does transpiration affect plants, and what ...

ISA Certified Arborist- Correctly Solved Mock Exam Question and Answers [100% Correct] 2025/2026 (Updated) 1. What term is used to describe areas where rapid cell division occurs in shoot tips, root tips, and cambium? Meristems 2. The primary meristems at the tips of the shoots are referred to as which type of meristem? Apical 3. What phenomenon refers to the inhibitory effect of terminal buds on the growth of lateral buds? Apical dominance 4. What part of a tree ...

ISA Arborist: Study Guide Practice Exam (100% Correct) Already Passed |Verified| 2025/2026 When cutting into or through a tree, what layers would be encountered in order? Bark, phloem, cambium, xylem. What happens to lateral buds when the terminal bud is removed during pruning? Growth may be stimulated in lateral buds. What information can be inferred from a tree's growth rings? They indicate the age of the tree, reflect the rate of earlywood and latewood growth, and can...

ISA Arborist Certification Glossary & Terms Question and Answers [100% Correct] 2025/2026 What term refers to the nonliving components of an ecosystem, such as soil, air, and water? Abiotic Which plant hormone promotes seed dormancy and causes stomatal closure? Abscisic acid (ABA) What is the name of the cell structure that allows a leaf to separate from the stem? Abscission zone What does the term "acceptable risk" refer to in relation to tree management? ...