ISA Certified Arborist Practice Exam

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Study for the ISA Certified Arborist Exam. Prepare with flashcards, multiple choice questions, and comprehensive hints and explanations. Get ready to ace your exam!

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What does the term "dicotyledon" signify about a tree?

  1. It sprouts only one seed leaf

  2. It has three seed leaves

  3. It produces flowers in clusters

  4. It has two seed leaves at germination

The correct answer is: It has two seed leaves at germination

A tree being dicotyledonous means that it has two seed leaves when it first germinates. This is significant because it is a defining characteristic of dicot trees, which make up a large portion of the world's trees. Option A is incorrect because monocot trees, which also make up a significant portion of trees, only sprout one seed leaf. Option B is incorrect because most trees actually only have two seed leaves, not three. Option C is incorrect because flower production is not related to the number of seed leaves a tree has.

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