Tree Biology and Establishment Exam Attempt Review - Olds College

Page 1 StatusFinished StartedThursday, October 30, 2025, 3:00 PM CompletedThursday, October 30, 2025, 3:33 PM Duration33 mins 12 secs Grade 44.00 out of 48.00 (91.67%) Question 1 Correct 1.00 points out of 1.00 Question 2 Correct 1.00 points out of 1.00 Wall 2 in CODIT, tries to limit ___________decay? Select one: a. vertical b. inward c. lateral d. outward The correct answer is: inward The classification of trees that has the most bio-diversity in terms of growth increment formation is...? a. Conifers b.Angiosperms. c.Resin-duct forming trees d. Gymnosperms The correct answer is: Angiosperms. Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 1 of 18 3/12/2026, 4:09 PM Page 2 Question 3 Correct 1.00 points out of 1.00 Question 4 Correct 1.00 points out of 1.00 How do mycorrhizae help trees? a.By forming abscission zones at the base of leaf petioles to aid in leaf shedding. b.By decomposing branch collars, making it easier for trees to shed dead branches. c. By colonizing soil ahead of plant roots, opening spaces for roots to grow and metabolizing minerals and water and transporting them back so plants can use them.  d. By helping to metabolize chlorophyll in the autumn. The correct answer is: By colonizing soil ahead of plant roots, opening spaces for roots to grow and metabolizing minerals and water and transporting them back so plants can use them. Both axial and radial parenchyma (ray) cells "balloon" their contents into vessels and it accumulates, blocking the flow of sap. This process not only seals the vessels against moisture loss, but is the first line of defense against many decay causing pathogens. What is this blocking action called? Select one: a. Tylosis b. Terpene injections c. thigmomorphogenesis d.Cellular morphogeneses The correct answer is: Tylosis Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 2 of 18 3/12/2026, 4:09 PM Page 3 Question 5 Correct 1.00 points out of 1.00 Question 6 Correct 1.00 points out of 1.00 CODIT stands for Select one: a. Compartmentalization of Decay in Trees b.Compartmentalization of Decay in Tangerines c.Crystallization of Decay in Trees d.Compartmentalization of Disease in Trees The correct answer is: Compartmentalization of Decay in Trees Wall #1 in CODIT limits decay...............? Select one: a. vertically b. horizontally c. inward d.diagonally The correct answer is: vertically Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 3 of 18 3/12/2026, 4:09 PM Page 4 Question 7 Correct 1.00 points out of 1.00 Question 8 Correct 1.00 points out of 1.00 Why are trees like big batteries? Select one: a. Because trees are full of toxic metals and sulfuric acid. b.Because wood is the long-term energy storage for the tree. c.Because there are positives and negatives. d.Because trees can be re-cycled> Wood is the tree's long term energy storage. The correct answer is: Because wood is the long-term energy storage for the tree. What is the potentially tree destabilizing defect in this illustration called? Select one: a. Girdling shoots. b. Girdling roots. c. Included bark d. Root decay. Girdling roots can cause crown dieback, failure to thrive and tree failure. The correct answer is: Girdling roots. Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 4 of 18 3/12/2026, 4:09 PM Page 5 Question 9 Correct 4.00 points out of 4.00 Question 10 Correct 1.00 points out of 1.00 Match the definitions to the appropriate terms. Phloem Enables active transport of sugar  Cambium The primary meristem producing radial growth.  Xylem RaysRuns perpendicular to the growth rings  Xylem Allows water and minerals to be transported.  The correct answer is: Phloem → Enables active transport of sugar, Cambium → The primary meristem producing radial growth., Xylem Rays → Runs perpendicular to the growth rings, Xylem → Allows water and minerals to be transported. Why is it difficult for trees to thrive in a parking lot tree bed? a. The presence of other vegetation, like shrubs and flowers, outcompetes the trees for nutrients and water. b. The soil is too aerated, causing the roots to dry out quickly. c. Parking lots expose trees to road salts, heat, drought and compaction d. The trees are often of a variety that naturally prefers a shorter lifespan. The correct answer is: Parking lots expose trees to road salts, heat, drought and compaction Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 5 of 18 3/12/2026, 4:09 PM Page 6 Question 11 Correct 4.00 points out of 4.00 Question 12 Correct 1.00 points out of 1.00 What are some of the consequences of growing trees chemically rather than biologically? Pick all that apply. a.Chemical fertilizers cause trees to grow stronger and more resistant to disease and insects. b.Chemical herbicides and fungicides deplete the soil of friendly fungi. c. Chemical fertilizers cause trees to grow too quickly. d. Chemical fertilizers may cause woody plants not to form mycorrhizal partnerships.  e. Chemical fertilizers cause trees to be weaker and more susceptible to insects and disease. f. Chemical fertilizers and pesticides are cheaper means of producing higher yields. The correct answers are: Chemical fertilizers may cause woody plants not to form mycorrhizal partnerships., Chemical fertilizers cause trees to grow too quickly., Chemical herbicides and fungicides deplete the soil of friendly fungi., Chemical fertilizers cause trees to be weaker and more susceptible to insects and disease. What is arboriculture? a. The practice and study of the care trees and other woody plants in the landscape b.The practice of climbing trees c. The practice of tree removal only d. The practice and study of grasses and annuals in the landscape The correct answer is: The practice and study of the care trees and other woody plants in the landscape Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 6 of 18 3/12/2026, 4:09 PM Page 7 Question 13 Correct 1.00 points out of 1.00 Question 14 Correct 3.00 points out of 3.00 In Shigo's model for CODIT, Wall 3 resists the spread of decay in which direction? Select one: a. inwardly b.vertically c.laterally  d.outwardly The correct answer is: laterally Match the nursery stock to its characteristics. Meant for larger caliper trees, typically comes in a wire cage, requires machinery to move them around. Ball and Burlap  Transported in refrigerated trucks, prone to drying out quickly, goes through heavy transplant shock Bare Root Stock  stock available earlier in the year, potential for no loss of roots, prone to drying out if not watered properlyPotted plants  The correct answer is: Meant for larger caliper trees, typically comes in a wire cage, requires machinery to move them around. → Ball and Burlap, Transported in refrigerated trucks, prone to drying out quickly, goes through heavy transplant shock → Bare Root Stock, stock available earlier in the year, potential for no loss of roots, prone to drying out if not watered properly → Potted plants Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 7 of 18 3/12/2026, 4:09 PM Page 8 Question 15 Correct 1.00 points out of 1.00 Question 16 Correct 1.00 points out of 1.00 How should the fact that trees communicate through underground mycorrhizal connections change the way we do Urban Forestry? a.We should stop planting individual trees in solitary compartments. b.We should match trees with supportive shrubs in common planting beds. c. A diversity of trees, shrubs and plants is always better than a mono-culture. d. All of the above. Intelligent landscape design matches trees and plants together so that a healthy soil community of mycorrhizal symbionts can be sustained. The correct answer is: All of the above. Knowing the life-cycle of a tree relative to its energy reserves and the changing seasons is known as................? Select one: a.Phenology b. Yourcology c.Endocrinology d.Frenology e.Mycology The correct answer is: Phenology Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 8 of 18 3/12/2026, 4:09 PM Page 9 Question 17 Correct 1.00 points out of 1.00 Question 18 Correct 1.00 points out of 1.00 Vascular tissue that transports and circulates chemical energy from sources to sinks throughout the symplast in a tree is known as? a.Phellogen b.Hearttwood xylem c. Phloem d. Sapwood xylem The correct answer is: Phloem Narrow branch attachments with two equal diameter branches or stems often fail because of ...............? Select one: a. fiber-buckling b. banana cracking c. bark excisions d.bark inclusions The correct answer is: bark inclusions Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 9 of 18 3/12/2026, 4:09 PM Page 10 Question 19 Incorrect 0.00 points out of 1.00 Question 20 Correct 1.00 points out of 1.00 How deep and how wide should the planting hole be when planting a tree into the landscape? a.Planting depth should be deep enough to expose the root flare and the width of the hole should be 2-3 times wider than the root ball. b.Planting depth should be 1 meter deep and planting width should be 2 meters wide c. The hole depth should be deep enough so that the root flare is just below the soil level and the hole width should be 2-3 times wider than the root ball.  d. Planting depth should be 2-3 times deeper than the root ball, and the hole width should be 1-2 times wider than the root ball. The correct answer is: Planting depth should be deep enough to expose the root flare and the width of the hole should be 2-3 times wider than the root ball. Why would root pruning in a nursery result in a better quality tree? Select one: a. Root pruning can cause denser root systems with more fibrous roots.  b. Root pruning causes more girdling roots. c. Root pruning can really slow down top growth. d.All of the above Systematic root pruning results in rootballs with denser root systems and more fibrous roots in the harvested rootball, and better survivability. The correct answer is: Root pruning can cause denser root systems with more fibrous roots. Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 10 of 18 3/12/2026, 4:09 PM Page 11 Question 21 Correct 1.00 points out of 1.00 Question 22 Correct 1.00 points out of 1.00 Question 23 Correct 1.00 points out of 1.00 In regards to hardiness zone, Calgary, Edmonton, and Olds are in what hardiness zones respectively? (In order) a. 4a, 4a, 3b b. 3b, 4a, 3b c. 3a, 3a, 4b d. 2b, 2a, 3b The correct answer is: 4a, 4a, 3b An Oak tree is........? Select one: a. ring porous b. without a branch protection zone c.a poor compartmentalizer d. diffuse porous The correct answer is: ring porous The outer layer of dead and dying crushed phloem cells, helper cell remnants and cortex is better known as what? a. Stele b. Phellogen c. Bark d. Husqavarna e. Cork cambium The correct answer is: Bark Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 11 of 18 3/12/2026, 4:09 PM Page 12 Question 24 Correct 1.00 points out of 1.00 Question 25 Correct 1.00 points out of 1.00 Question 26 Incorrect 0.00 points out of 1.00 It is best to avoid pruning live wood off of a tree when leaves are forming or falling. Select one: True False The correct answer is 'True'. It is possible to inoculate soils with mycorrhizae using commercial products. Select one: True False The correct answer is 'True'. What should you do prior to planting a tree that has been in the container too long, to better ensure its establishment and survival? Select one: a. Post a derogatory meme about lousy tree planting techniques on Twitter or Facebook. b.Slice about an inch of the rootball from top to bottom on four sides with a sharp spade or old pruning saw. c. Massage the rootball gently to tease out the tangles. d. Tickle the bare roots. The correct answer is: Slice about an inch of the rootball from top to bottom on four sides with a sharp spade or old pruning saw. Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 12 of 18 3/12/2026, 4:09 PM Page 13 Question 27 Correct 1.00 points out of 1.00 Question 28 Correct 1.00 points out of 1.00 Question 29 Correct 1.00 points out of 1.00 The upper or outermost bud on a tree branch or root-tip is called the...........? Select one: a.stem cell builder b. apical meristem c. dominant meristem d. zone of maturation The correct answer is: apical meristem Betula papyrifera is a good compartmentalizer because of its ring porous anatomy. Select one: True False The correct answer is 'False'. Fertilizing newly transplanted trees tends to prevent them from forming symbiotic bonds with beneficial mycorrhizal fungi. Select one: True False The correct answer is 'True'. Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 13 of 18 3/12/2026, 4:09 PM Page 14 Question 30 Correct 1.00 points out of 1.00 Question 31 Correct 1.00 points out of 1.00 A completely hollow, but otherwise healthy tree is an indication of what, according to the theory of CODIT? Select one: a. An intact Wall 4 b. An intact Wall 3 c. An intact Wall 1 d. An intact Wall 2 e. An intact Wall 5 The correct answer is: An intact Wall 4 Vascular cambium produces....? Select one: a. cork and phloem b. phellogen and phelloderm c.xylem and phloem d. heartwood and softwood The correct answer is: xylem and phloem Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 14 of 18 3/12/2026, 4:09 PM Page 15 Question 32 Incorrect 0.00 points out of 1.00 Question 33 Correct 1.00 points out of 1.00 Question 34 Correct 1.00 points out of 1.00 The best time of year to remove a tree like a poplar, that will sprout back heavily from the root system is when? Select one: a. In the autumn, when it is losing leaves. b. In the middle of winter, when there are no leaves. c. In late summer, when it is in full leaf. d.Right after it leafs out. The correct answer is: Right after it leafs out. In regards to tree staking and trunk protection devices, which is the true statement? a. They have an important function but will eventually cause damage to the tree if not removed. b. Tree staking and trunk protection are mandatory on all trees planted in Alberta c. Trees will never benefit from staking or trunk protection devices. d.The stakes and trunk protection should stay on for as long as the tree lives. The correct answer is: They have an important function but will eventually cause damage to the tree if not removed. A new subdivision plan calls for planting 100 new trees. According to the Biodiversity rule-of-thumb, what is the maximum number of Ulmus americana that should be planted in this area? a.10 b.20 c.15 d.30 The correct answer is: 10 Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 15 of 18 3/12/2026, 4:09 PM Page 16 Question 35 Correct 1.00 points out of 1.00 Question 36 Correct 1.00 points out of 1.00 Question 37 Correct 1.00 points out of 1.00 The stress trees go through after being relocated and planted while they adjust to their new home is referred to as what? a.Transplant Shock b. Tree acclimation c. Tree Hardiness Zone d. Tree Independence The correct answer is: Transplant Shock What is the Urban Heat Island Effect? a. A noticeably hotter environment inside a urban center, due largely to infrastructure and human density b. A phenomenon where urban areas are significantly cooler than surrounding rural areas due to increased vegetation. c.A noticeably hotter urban environment because of trees transpiring d.When we discover a new hot island in the middle of the city The correct answer is: A noticeably hotter environment inside a urban center, due largely to infrastructure and human density The comparative distances between the apical or terminal buds and the terminal bud scars from previous years gives a good indication of _______________? Select one: a. rate of growth in the last and previous years b. age of a younger tree or age of a branch on an older tree c. general health of the tree d. any growth abnormalities e. all of the above The correct answer is: all of the above Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 16 of 18 3/12/2026, 4:09 PM Page 17 Question 38 Incorrect 0.00 points out of 1.00 Question 39 Correct 1.00 points out of 1.00 Ring porous trees have large early-wood vessals. Two examples of ring-porous trees in Alberta are _________ and __________. Select one: a. birch and maple b. oak and birch c.poplar and willow d. oak and Sea Buckthorn The correct answer is: oak and Sea Buckthorn Wall 4 of CODIT is the strongest wall. Select one: True False Wall four is a true barrier zone The correct answer is 'True'. Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 17 of 18 3/12/2026, 4:09 PM Page 18 Question 40 Correct 1.00 points out of 1.00 Why are mycorrhizal partnerships good for tree survival in the landscape? Select one: A. Mycorrhizae help the tree absorb water. B. Mycorrhizae help the tree in active phloem transport. C. Mycorrhizae help the tree absorb scarce minerals, especially phosphorus. D. Both A and C are true. Mycorrhizae greatly increase a tree's ability to absorb water and minerals from the soil, especially in droughts or in poor soil. The correct answer is: Both A and C are true. Tree Biology and Establishment Exam: Attempt Review | Olds College https://ocmoodle.oldscollege.ca/mod/quiz/review.php?attempt=12973... 18 of 18 3/12/2026, 4:09 PM