Certified Arborist Practice Exam

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Prepare for the Certified Arborist Exam with our comprehensive study guide that includes flashcards and multiple-choice questions, each complemented with hints and explanations. Master the essential knowledge needed to become a Certified Arborist!

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The "food factories" of trees are:

Photosynthesis
Stomata
Xylem
Phloem

The correct answer is: Photosynthesis

The "food factories" of trees refer to the process of photosynthesis, where trees use energy from the sun to convert carbon dioxide and water into glucose (food) and oxygen. This process takes place in the leaves of the tree and is essential for the tree's growth and survival. Options B, C, and D are incorrect as they are not directly involved in the process of photosynthesis. Stomata are tiny openings on the surface of leaves that regulate gas exchange, while xylem and phloem are responsible for transporting water and nutrients throughout the tree. While all three options are important for the tree, they are not specifically involved in the production of food.