Transport Systems In Plants Notes
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This document provides notes on the transport systems in plants. It describes how water and mineral salts are transported from roots to leaves through xylem vessels, and how glucose is converted to sucrose for transport throughout the plant via phloem. The document also explains the process of osmosis and its role in root pressure.
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Notes ===== 1. Plants have a transport system consisting of tissues that are SPECIALISED to transport Water, Mineral salts and Food. 2. WATER and MINERAL SALTS are transported from the [roots] to the leaves by XYLEM VESSELS. 3. The "food" made in the [Leaves] of a plant is GLUSOSE....
Notes ===== 1. Plants have a transport system consisting of tissues that are SPECIALISED to transport Water, Mineral salts and Food. 2. WATER and MINERAL SALTS are transported from the [roots] to the leaves by XYLEM VESSELS. 3. The "food" made in the [Leaves] of a plant is GLUSOSE. The Glucose is made by the process called PHOTOSYNTHESIS. However, in order to be transported the Glucose is converted to SUCROSE. This Sucrose is then transported from the leaves to the rest of the plant by PHLOEM tissue. 4. Xylem and Phloem make up the VASCULAR TISSUE that extends throughout the plant. 5. When vascular tissue occurs in leaves, it is referred to as VEINS. 6. The surface area of the absorption of Water and mineral salts is INCREASED by the presence of Tiny ROOT HAIRS 7. Water moves DOWN the concentration gradient from the [soil] to the root hair cells by OSMOSIS. 8. Water continues to move by Osmosis from cell to cell in the roots, until it reaches the [Xylem Vessels.] The results in a ROOT PRESSURE
