OCR General Certificate of Secondary Education (GCSE) Biology Practice Exam

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Study for the OCR GCSE Biology Exam. Use multiple choice questions and quiz flashcards with explanations and hints. Excel in your exams!

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Which system does a plant use to transport water and nutrients?

Phloem system
Xylem system
Root system
Leaf system

The correct answer is: Xylem system

The correct answer is the xylem system, which is responsible for transporting water and dissolved minerals from the roots to the rest of the plant. This transport is essential for various physiological processes, including photosynthesis, transpiration, and nutrient uptake. The xylem consists of specialized cells that form a continuous network, allowing for efficient movement of water upwards through capillary action and cohesion properties of water molecules. In contrast, the phloem system primarily transports the products of photosynthesis, such as sugars, from the leaves to other parts of the plant. The root system refers to the underground part of the plant that anchors it and absorbs water and nutrients, but it does not itself transport them throughout the plant. The leaf system is not a recognized term in plant biology and does not pertain to transport functions.