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ISA Arborist Test 01: Tree Care & Climbing

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

ISA Test 01: Key Themes

This exam focuses on Safety Gear, Pruning Cuts, and Climbing Techniques.

Danger: Never perform a flush cut. Removing the branch collar causes permanent damage to the trunk.
Facts: Mycorrhizae are beneficial fungi. They increase the root surface area to help trees find more water.
Tech Note: Always check your bend ratio on pulleys. Using a rope that is too thick for the pulley will weaken the fibers.
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Q:1In which of the following scenarios would double-crotching be useful?
Q:2Which device helps stop a cable from wearing out where it connects to hardware?
Q:3What is a bad result of lion tailing according to ANSI A300 standards?
Q:4A branch is tip-tied with the rope held at the trunk. Which part usually falls away from the cut?
Q:5Mycorrhizae are helpful relationships between tree roots and what?
Q:6Which practice breaks ANSI A300 rules by cutting limbs to stubs?
Q:7Which tool is best for connections that you rarely need to open?
Q:8What is NOT part of gymnosperm wood?
Q:9A pulley is 3 inches wide and the rope is 1 inch wide. What is the bend ratio?
Q:10In the name Castanea dentata, what does Castanea mean?
Q:11What should you do when planting a tree in heavy clay soil?
Q:12How does a Douglas-fir differ from a Balsam fir?
Q:13Where should you make the final cut when removing a live branch?
Q:14How can you add extra support when cabling a tree with many stems?
Q:15Which knot makes two adjustable loops for an emergency harness?
Q:16Why do cicadas cause twigs to die?
Q:17During a rescue, what is the first priority once you reach the victim?
Q:18What does drop crotch pruning mean?
Q:19What usually stops a tree from taking in fertilizer right away?
Q:20What is a false crotch?
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Test 01 Study Summary

1. Proper Rigging A thimble is vital for cable life. It prevents the metal from wearing down at the connection point.
2. Tree Health Topping is a banned practice. It creates weak stubs that rot quickly and lead to branch failure.
3. Soil Management In heavy clay, plant trees slightly shallow. This ensures the roots get enough oxygen to survive.
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