5005 Praxis Practice Test Practice Question
Which of the following is a primary function of the leaves of a vascular plant?
Correct Answer: D
Rationale: Leaves play a crucial role in photosynthesis, primarily by taking in carbon dioxide from the atmosphere. This gas is essential for the production of glucose, which serves as energy for the plant.
Option A, attracting pollinators, is primarily the function of flowers, not leaves. Option B, providing structural support, is mainly the role of stems and roots, not leaves. Option C is incorrect as leaves do not take in water; instead, roots absorb water, which is then transported to the leaves. Thus, the primary function of leaves is to facilitate the uptake of carbon dioxide for photosynthesis.
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