Download ISA Arborist Study Guide Sample test questions with accurate answers and more Exams Environmental Science in PDF only on Docsity!
ISA Arborist Study Guide Sample test questions with accurate
answers
Bark, phloem, cambium, xylem correct 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 correct answer If the terminal bud is removed in pruning: The growth rings of a tree: correct 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 correct answer layer of cells is responsible for outward growth and increased girth of tree. Mycorrhizae are: correct answer A symbiotic relationship between fungi and roots. Douglas-fir (Pseudotsuga menziesii) differs from balsam fir (Abies balsamea) in that: correct answer They are not in the same genus. Opposite leaf arrangement is: correct answer When two leaves and/or buds are located at the same node on a twig. Quercus rubra correct answer Scientific name of Red Oak. Quercus (Oak) correct answer This genus of tree usually does not have an opposite leaf arrangement. Pines correct answer These conifers have needles in bundles. Available oxygen and water correct 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? correct answer Are in the upper 6 inches of soil. Water will drain very slowly out of the planting hole. correct answer If a planting hole in a clay soil site is backfilled with sandy soil. When soil is compacted: correct answer Total pore space and the percentage of macropores are reduced. A characteristic of sandy soils in arid regions is: correct answer They tend to become alkaline, and salts build up due to the lack of heavy rainfall. When irrigating trees: correct answer Infrequent, deep soakings are preferable to frequent, shallow waterings. Sandy soils: correct answer Have a higher infiltration rate than clay soils. A soil is at field capacity when: correct answer Gravitational water has drained away. With sprinkler irrigation: correct answer Less frequent waterings of longer duration will reduce the likelihood of salt buildup, water hitting the soil surface can lead to crusting, application rates that exceed absorption can lead to runoff. In sites where poor drainage can be a problem, which of the following WILL NOT help ensure plant survival? correct answer Placing gravel in the bottom of the planting hole and backfilling with a sandy soil. 8 pounds of nitrogen correct answer 80 pound bag of 10-6-4 fertilizer contains how many pounds of actual nitrogen? Nitrogen, phosphorus, potassium correct answer A complete fertilizer contains?
Most important reason to prune a tree when transplanting is to: correct answer To remove structurally weak or damaged branches. When pruning young trees, why have a dominate leader and well spaces scaffolding. correct answer Minimize future pruning, structurally strong, codominate branching can be avoided To prune trees that flower on previous years growth and max flowering, you should prune: correct answer Shortly after flowering. When pruning a branch from a tree, the final cut should be: correct answer Just outside the branch collar. When it comes to pruning, as a rule, mature trees: correct answer Not tolerant of severe pruning If the height of the tree needs to be reduced. correct answer Branches should be removed at their point of origin or to a lateral large enough to assume. Advantage of Amon-eye system over eye bolt: correct answer Length of rod can be adjusted Purpose of a lightning protection system: correct answer Conduct the electrical charge into the soil away from the tree. If two bracing rods are installed to support a weak Union, they should be placed: correct answer Staggered, and no closer together than the diameter of the trunk. If a lag hook is installed into decayed wood, correct answer Holding power will be reduced, decay may be detected when drilling, decay will spread along the lag When cabling a multi stemmed tree, extra support can be added by: correct answer Cabling the limbs together in triangular combinations. A condition with a cluster of dwarfed shoots on affected twigs: correct answer Witch's broom
Twig dieback from periodical cicadas is primarily a result of: correct answer Ovipositing, egg-laying Plant damage associated with a sap-feeding insect pest might appear as: correct answer Distorted leaves or shoots. Scale damage to plants is the result of: correct answer Phloem-feeding insects causing a loss of vigor Damage caused by non-living factors tend to be: correct answer Uniform with definite borders Plant Health Care is a comprehensive program to manage: correct answer The appearance, health, structure of plants. Mortality spiral describes the: correct answer Cumulative effects of stress causing decline of a plant over time. Process of gathering information, assessing problems, determine client expectations, and coarse of action is: correct answer Appropriate response process Systematic pesticide is one that: correct answer Is translocated throughout the plant. Releasing predators or parasites of an insect pest is an example of a: correct answer Biological control Necessary component in the existence of tree risk is: correct answer A tree with potential of failure, an environment that may contribute to failure, person or object that may be injured or damaged. Which type of decay primarily affects the lignin within and between cell walls in the wood, reducing the tree's compressive strength? correct answer White rot Following construction, forest trees on the edge of remaining stands are prone to failure due to: correct answer Loss of trees protection of trees that surrounded them, less trunk stability and poor taper, increased exposure to weather elements.
A typical tree ordinance will define the jurisdiction's authority and: correct answer Describes condition a requirements of ordinance, penalties for noncompliance, specify responsibility for enforcement Detailed plans, requirements, and statements of particular procedures and/or standards used to define and guide are called: correct answer Specifications According to many standards, the term "shall" denotes correct answer A mandatory requirement Which of the following should be considered energized with a potential fatal voltage? correct answer Overhead electrical lines, underground electrical lines, telephone and cable wires. Head protection is required for tree workers: correct answer Whenever performing tree care operations. The situation that can cause chain saw kickback is: correct answer The upper quadrant of the guide bar contacts an object. Which should be treated first correct answer Suspended breathing A rope inside a rope is better known as a correct answer Double-braided line A Prusik loop is used correct answer To tie in with the secured footlock method A separate, short length of rope used to tie the friction hitch in an opening climbing system is known as a: correct answer Split-tail The first steps of the emergency response process are to: correct answer Asses the situation and call for emergency help. The classic three-step cut used to remove limbs is also called the: correct answer Drop cut
