ISA Arborist Study Guide Sample Test Questions and Answers 100% Pass

ISA Arborist Study Guide Sample Test Questions and Answers 100% Pass Bark, phloem, cambium, xylem - Answer ️️ -When cutting through a tree with a chain saw or drilling into a tree, you would pass through (in order) Growth may be stimulated in lateral buds - Answer ️️ -If the terminal bud is removed in pruning: The growth rings of a tree: - Answer ️️ -Visible because of the rapid growth rate of earlywood relative to latewood, can be counted on to approximate trees age, can give information about growth conditions in previous years. Cambium - Answer ️️ -layer of cells is responsible for outward growth and increased girth of tree. 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. Opposite leaf arrangement is: - Answer ️️ -When two leaves and/or buds are located at the same node on a twig. Quercus rubra - Answer ️️ -Scientific name of Red Oak. Quercus (Oak) - Answer ️️ -This genus of tree usually does not have an opposite leaf arrangement. Pines - Answer ️️ -These conifers have needles in bundles. Available oxygen and water - Answer ️️ -The primary factor in controlling the depth, spread, and distribution of tree roots in the soil is/are: The most fibrous and absorptive portion of a tree's root system is found in? - Answer ️️ -Are in the upper 6 inches of soil. Water will drain very slowly out of the planting hole. - Answer ️️ -If a planting hole in a clay soil site is backfilled with sandy soil. When soil is compacted: - Answer ️️ -Total pore space and the percentage of macropores are reduced