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  • What is photosynthesis?
  • Which structure provides the main structural support and upward transport from the roots?
  • In tree bracing, where can through braces be installed?
  • What is the primary purpose of establishing a tree protection zone during nearby construction?
  • What is the recommended disposal method for organic wood waste from tree work?
  • Which of the following lists three signs of root disease in trees?
  • The dark inner wood that provides support is called?
  • Which term describes trees that lose their leaves every year?
  • For a tree with 4 inches DBH, the critical root zone radius is how many feet?
  • How should a competitive bid for tree removal be calculated?
  • What is a commonly recommended maximum percentage of foliage removal in a single pruning event?
  • What are the components of an effective tree felling cut sequence?
  • What is the primary function of xylem in trees?
  • Which pigment produces yellows, oranges, and reds during fall season?
  • Which term describes the slender filaments that extend into the soil to increase surface area for nutrient absorption?
  • Which statement about mycorrhizal associations is true regarding root tips?
  • What tools and equipment are essential for safe tree rigging?
  • What depth of mulch around tree trunks is recommended?
  • After a hazard tree evaluation, which actions are typically included in the mitigation planning?
  • What is stump grinding and when is it performed?
  • Which cut is used to guide the tree's fall in a proper felling sequence?
  • Which tissue carries water and nutrients up from roots to the rest of the tree?
  • Which pests are commonly spread by firewood movement?
  • How thick should mulch be applied around a tree to benefit roots?
  • What filamentous structures produced by fungi enable roots to forage for nutrients more effectively than roots alone?
  • What practice helps prevent future girdling in transplanted or mature trees?
  • About 95% of water absorbed by a tree is transpired through which part?
  • Rays are channels of cells where water, nutrients and carbohydrates move laterally. What term describes these channels?
  • What licensing and regulatory requirements govern pesticide applications by Maryland arborists?
  • Define crown thinning and crown reduction, and when each is appropriate.
  • What insurance coverage is typically expected for a commercial tree care operation?
  • A tree expert is not needed for which activities?
  • Tree cell division occurs in which tissue type?
  • In the photosynthesis equation, how many carbon dioxide molecules are used?
  • Which nozzle type helps reduce drift during pesticide applications?
  • Which statement about the cambium’s role in diameter growth is accurate?
  • Which law focuses on protecting trees along roadways and utility facilities?
  • A small opening in bark that allows gas exchange is called?
  • In flowering plants, which structures are the male and female reproductive organs respectively?
  • A complete flower contains which of the following?
  • What term describes the visible annual growth in wood due to xylem production?
  • What is the purpose of a directional notch in felling?
  • What is the most common kickback hazard with chain saw use and how can it be prevented?
  • In risk assessment, which two elements are multiplied to estimate risk?
  • Which pigments are always present in leaves and become visible when chlorophyll breaks down in autumn?
  • Who is responsible for repairing any damage caused by the contractor during tree work?
  • Secondary (diameter) growth in trees is produced by which tissue?
  • Which growth habit is associated with excurrent trees?
  • Which practice helps protect tree roots during construction without delaying the project?
  • Why is the tree root flare important in planting and aftercare?
  • Xylem is also called which term?
  • Which term describes trees that hold their leaves for more than one year?
  • Why designate no-dig zones around trees in construction projects?
  • Which option does NOT indicate removal of a tree rather than preservation?
  • What soil management technique improves root oxygen and drainage for trees in compacted urban soils?
  • In a through brace installation, what is used at both ends to secure the brace?
  • What practices best minimize pesticide drift during urban tree applications?
  • What is the purpose of a tree risk assessment rating system?
  • When preparing a bid for tree removal, which elements are typically considered?
  • Where are seeds produced in angiosperms?
  • Which weather conditions are generally favorable to minimize drift during urban tree pesticide applications?
  • What is the outer covering of tree branches and stems called?
  • Which process uses light energy to drive chemical reactions in leaves?
  • The area between two consecutive nodes on a twig is called what?
  • Why is it important to avoid removing too much leaf area at once when pruning?
  • What is a major purpose of protective fencing during construction near trees?
  • What organism forms a symbiotic relationship with tree roots to increase the tree's uptake of water and essential elements?
  • Which combination of features tends to reduce transpiration?
  • What is the guidance on painting pruning cuts?
  • Which practice best promotes wound healing after pruning?
  • Which anatomical feature marks the junction where a branch attaches to the trunk?
  • When pruning, branches shall be cut back to a live lateral at least what fraction of the severed branch diameter?
  • What soil moisture level supports healthy root growth without promoting disease?
  • When rigging heavy limbs, what is essential for safety and effectiveness?
  • When root pruning or trenching around a roadside tree, what is the maximum amount of root that may be cut without approval?
  • Which pigment produces red and purple colors in fall?
  • Which statement about arborist safety standards is accurate in the United States?
  • Define cambium and its role in tree growth.
  • Which factor best supports climate compatibility when selecting trees for hazard reduction?
  • The Maryland Tree Expert Law was adopted in what year?
  • When selecting species for a site, what factors influence long-term hazard reduction?
  • In the photosynthesis equation, which gas is released as a product?
  • Water and essential elements are absorbed from soil by which structure?
  • Which statement best describes typical liability coverage for a commercial tree care operation?
  • Which statement is true about soil pH and nutrient availability?
  • Which of the following is NOT a function of roots?
  • Which tissue transports water and minerals from the roots to the leaves?
  • Marks left on a twig by fallen terminal bud scales are called?
  • Which buds may be inhibited by the active growth of terminal buds?
  • Fungi helps the roots by which function?
  • What is the consequence of burying the root flare during planting?
  • Which of the following are parts of a flower?
  • Terminal bud scale scars on a twig indicate what?
  • Name two common micronutrient deficiency symptoms in trees.
  • Which group of plants has seeds enclosed in an ovary?
  • A DNR permit is required for which activity?
  • In the context of root protection, which statement is true about mycorrhizal associations?
  • The cambium is a thin layer of dividing cells that produces vascular tissue. Which tissues are produced by the cambium?
  • Why is basic tree biology essential for diagnosing issues in the field?
  • In a mycorrhizal association, what do fungi obtain from plant roots?
  • How is annual growth commonly measured on a twig?
  • Which of the following is NOT one of the three main parts of a tree?
  • Why should the root flare be visible above soil after planting?
  • What do mycorrhizal fungi release that helps break down substances trees can't use without help?
  • Which site conditions most commonly limit root respiration in urban landscapes?
  • Distinguish crown thinning from crown reduction and give examples of when to apply each.
  • Root functions include which of the following?
  • If a tree trimmed during work dies within one year of the work, what action is required?
  • What is photosynthate?
  • For a lag screw, the pilot hole should be how in relation to the lag diameter?
  • Which organism forms the fungal partner in a mycorrhizal association with tree roots?
  • What is the preferred method for pruning cuts to promote wound closure?
  • Which term refers to the loss of water in the form of water vapor from a plant?
  • How does soil pH influence nutrient uptake in trees?
  • In leaf physiology, which process is a function of leaves in addition to photosynthesis and transpiration?
  • The inner dark wood that provides structural support is called?
  • Buds occur along the twig at which locations?
  • Which tissue is responsible for secondary growth in diameter by producing new vascular tissue?
  • Which of the following indicate potential internal decay after a storm?
  • Small stems that provide support for leaves, flowers, and fruit are called what?
  • What is the radius of the critical root zone around a tree for every inch of its diameter at breast height?
  • Water deficits can cause which of the following?
  • What is the main carbohydrate produced during photosynthesis?
  • Which structure is the female reproductive organ of a flower?
  • Which statement is NOT a function described for mycorrhizal associations?
  • What is the three-cut method used to remove large limbs?
  • How do reflective surfaces in urban environments affect tree health?
  • Climbing hooks or spurs are permitted under what condition?
  • What are the typical steps in conducting a hazard tree evaluation?
  • For an 8-inch DBH tree, the critical root zone radius is how many feet?
  • The portion that may comprise 1/3 to 1/2 the entire volume of a tree is which part?
  • Which mechanism creates a pull that moves water up through the xylem as leaves lose water?
  • How do urban microclimates affect tree health?
  • How long must the Maryland Tree Expert keep records?
  • Which of the following is a classic sign of Emerald Ash Borer infestation?
  • Which growth process is driven by apical meristems?
  • In sapwood, the pathways for food movement to and from the phloem are called?
  • For threaded steel rods or eye bolts, the pilot hole should be relative to the hardware?
  • What is a through brace in tree support?
  • The tissue at the junction of a branch to stem is called?
  • What term describes wood that is altered to counteract a lean in a tree?
  • Radial transport refers to which movement?
  • Fertilizer burn is associated with which condition?
  • A diffuse crown is a characteristic of which tree type?
  • Which tissue carries sugar from leaves to the rest of the tree?
  • When moving firewood, which precaution is recommended?
  • Fall color occurs because:
  • ANSI Z133 Safety Standards for Arboricultural Operations specify safety requirements for which field?
  • Which factors affect the rate of transpiration in a tree?
  • Which option is NOT a sign of Emerald Ash Borer infestation?
  • Where are apical meristems located?
  • Which statement about the order of the three-cut method is accurate?
  • Which group has seeds not enclosed in an ovary?
  • Which structure is the male reproductive organ of a flower?
  • Which statement best describes xylem functions?
  • Which term best describes the relationship between trees and mycorrhizal fungi?
  • Which activities require Maryland Tree Expert licensure?
  • When pruning cuts are made, which feature must be preserved?
  • What are important considerations when selecting rigging hardware for a heavy-limb removal?
  • LTE is an acronym for which term?
  • Which soil condition generally supports better nutrient uptake for many tree nutrients?
  • Which statement best defines a tree expert?
  • Which process uses chemical energy to power all of a tree's biological functions?
  • Which law was passed in 1914 to protect trees near roadways and utility facilities?
  • A bud is best defined as which of the following?
  • Wood chips from roadside removal may be broadcast on a right of way except in ditches, waterways, turf, or surfaced areas, and may not exceed how many inches in thickness?
  • Under Maryland self-help, what is allowed regarding encroaching limbs?
  • Term for roots living in symbiotic relationships with fungus?
  • What PPE practices are essential to minimize exposure during pesticide applications on trees?
  • Which part of the tree provides main structural support and transports water up from the roots?
  • Which sequence correctly describes safe steps for storm-damaged trees?
  • Under Maryland self-help, what is permissible for a landowner?
  • Which statement best describes the benefit of understanding basic tree biology for field work?
  • Trees are described as having three parts. Which set correctly lists these parts?
  • Which statement best describes pruning for health versus aesthetics?
  • What are the primary leaf functions?
  • In comparing phloem and xylem, which statement best describes phloem function?
  • What is the reproductive unit of the tree?
  • What is the minimum percentage of sound wood required for installing through braces?
  • The outer, living portion of the xylem that conducts water is called?
  • The annual production of xylem by cambium is called?
  • How should pruning cuts be made near the branch collar?
  • Nodes on a twig are defined as the points where what attaches?
  • Which term denotes the horizontal movement of substances within the xylem via ray cells?
  • What are key indicators of structural defects that may lead to failure?
  • Which activity requires a DNR permit?
  • How should girdling roots be addressed in transplanting and mature trees?
  • Why should mulch be kept away from the trunk when applying mulch around trees?
  • In tree architecture, which structure primarily supports twigs?
  • Decurrent trees are described as having which characteristics?
  • Which of the following is a function of bark?
  • Excurrent trees are characterized by which growth pattern?
  • How does soil organic matter influence cation exchange capacity (CEC)?
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