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Consider the following statements and choose the correct answer: 1. Transpiration usually occurs during day-time whereas guttation takes place in night 2. In transpiration water comes out in the form of liquid, whereas in guttation the water is given off in the form of vapour 3. Transpiration water is pure but guttation water contains inorganic salts and sugars 4. Transpiration is a controlled phenomenon whereas guttation is an uncontrolled phenomenon