explain process of transport of water through xylem
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Answer:
The tension created by transpiration “pulls” water in the plant xylem, drawing the water upward in much the same way that you draw water upward when you suck on a straw. Cohesion (water sticking to each other) causes more water molecules to fill the gap in the xylem as the top-most water is pulled toward the stomata.
Xylem tissue of plants have interconnected network of vessels and trachiods of the roots stems and leaves. They form continuous system of water conducting channels reaching all parts of the plants. At the roots, cells in contact with the soil actively take up ions. This creates a difference in the concentration of these ions between the root and the soil, water, therefore, moves into the roots from the soil to eliminate the difference. This means that there is study movement of water into root system, creating a column of water that is steadily pushed upwards.
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