ISA ARBORIST FINAL PRACTICE EXAM | COMPLETE AND GRADED QUESTIONS AND ANSWERS 2026 LATEST UPDATED | 100% GRADED CORRECT | 100% GUARANTEED TO PASS | GET A+

ISA ARBORIST FINAL PRACTICE EXAM | COMPLETE AND GRADED

QUESTIONS AND ANSWERS 2026 LATEST UPDATED | 100% GRADED

CORRECT | 100% GUARANTEED TO PASS | GET A+

When cutting through a tree with a chain saw or drilling into a tree, you would pass through

which structures (in order? - (answer)bark, phloem, cambium, xylem




If the terminal bud is removed in pruning, ________________________. - (answer)growth may

be stimulated in lateral buds




The growth rings of many trees __________________. - (answer)are visible because of

anatomical difference between earlywood and latewood




Which layer of cells is resposible for outward trunk growth and increased girth of a tree? -

(answer)Cambium




Mycorrhizae are ___________. - (answer)a symbiotic relationship between fungi and roots




Douglas-fir (Pseudotsuga menziesii)differs from balsam fir (Abies balsamea) in that

___________. - (answer)they are not in the same genus

, When two leaves - (answer)Opposite




Select the botanical name that is written correctly.

-Quercus Rubra

-Quercus rubra

-quercus Rubra

-quercus rubra - (answer)Quercus rubra




Which genus of trees does NOT have an opposite leaf arrangement?

-Acer (maples)

-Fraxinus (ashes)

-Quercus (oaks)

-Aesculus (horsechestnuts/buckeyes) - (answer)Quercus (oaks)




Which conifers have needles in bundles? - (answer)pines




The primery reason that most fine, absorbing roots are typically found near the soil surface is

that __________. - (answer)roots need both air and water