ISA Arborist Study Guide Sample test questions & Answers!!

Bark, phloem, cambium, xylem - ANSWERWhen 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 - ANSWERIf the terminal bud is removed in pruning: The growth rings of a tree: - ANSWERVisible 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 - ANSWERlayer of cells is responsible for outward growth and increased girth of tree. Mycorrhizae are: - ANSWERA symbiotic relationship between fungi and roots. Douglas-fir (Pseudotsuga menziesii) differs from balsam fir (Abies balsamea) in that: - ANSWERThey are not in the same genus. Opposite leaf arrangement is: - ANSWERWhen two leaves and/or buds are located at the same node on a twig. Quercus rubra - ANSWERScientific name of Red Oak. Quercus (Oak) - ANSWERThis genus of tree usually does not have an opposite leaf arrangement.