B.Sc. III yr Paper II, Transpiration Part 2

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B.Sc. III yr Paper II, Transpiration Part 2 Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers. Water is necessary for plants but only a small amount of water taken up by the roots is used for growth and metabolism. The remaining 97–99.5% is lost by transpiration and guttation.