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ISA Arborist Test 04: Selection & Installation

Use our Arborist mock test to test your skills and review key concepts before exam day for your ISA Certified Arborist certification.

ISA Test 04: Planting Rules

This exam focuses on Plant Selection, Hardiness, and Proper Installation.

Safety Note: Always call 811 before you dig. Stay at least 18 inches away from buried utility lines to avoid strikes and injury.
Tree Facts: Deciduous trees are great for energy saving. They block the hot summer sun but let the warm winter sun through their bare branches.
Tech Tip: Digging too deep is a common mistake. If you find soil covering the root flare in the ball, you must remove it before measuring your hole.
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Q:1Which characteristic is a primary way to tell Eudicots (broadleaf trees) apart from monocots?
Q:2A tree is to be planted close to a newly built retaining wall. What growth habit is best for this spot?
Q:3Hardiness refers to a plant's ability to survive which of the following?
Q:4What tree can be identified as having palmately compound leaves?
Q:5What statement is true below regarding ... [Show Full Question 5]
Q:6What USDA hardiness zone has an average annual extreme minimum ... [Show Full Question 6]
Q:7What is the minimum distance from the edge of ... [Show Full Question 7]
Q:8Which of the following species is generally ... [Show Full Question 8]
Q:9What tree species listed below is the most likely ... [Show Full Question 9]
Q:10The first part of a tree's scientific name ... [Show Full Question 10]
Q:11Sweating is a pre-planting procedure often required for ... [Show Full Question 11]
Q:12When is it okay to plant a nursery tree without ... [Show Full Question 12]
Q:13What is the primary goal when determining ... [Show Full Question 13]
Q:14A root ball is 14 inches deep, but it has 2 inches of extra ... [Show Full Question 14]
Q:15How far above ground should you measure the caliper ... [Show Full Question 15]
Q:16What is NOT a recommended course of action ... [Show Full Question 16]
Q:17When might it be helpful to transplant ... [Show Full Question 17]
Q:18Why do modern rules say you should not ... [Show Full Question 18]
Q:19How much should you prune ... [Show Full Question 19]
Q:20When should eye screws used ... [Show Full Question 20]
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Test 04 Study Summary

1. Planting Depth The root flare must be at or just above the ground level. Never bury the trunk, as this causes rot and weak roots.
2. Tree Health Do not fertilize a newly planted tree. It needs to focus on growing roots first, not big leafy shoots.
3. Hardiness USDA Zone 1 is the coldest. Most trees are chosen based on the lowest winter temperature they can handle.
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