Certified Arborist Practice Exam

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Study for the Certified Arborist Exam. Utilize flashcards and multiple choice questions with hints and explanations for each question. Prepare confidently for your test!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What inhibits the inward spread of decay on the wall?

Alkaline
Buckeye, Horsechestnut
Iron and Manganese
Soil

The correct answer is: Buckeye, Horsechestnut

Buckeye and Horsechestnut inhibits the inward spread of decay on the wall due to their high tannin content. Tannins have antifungal and antibacterial properties that can help to slow down or prevent the spread of decay within the tree. This natural defense mechanism can contribute to the tree's overall health and structural integrity. Options A, C, and D are not directly related to inhibiting the inward spread of decay on the wall compared to the tannin content found in Buckeye and Horsechestnut.