Multiple choice Which of the following is not a function of transpiration? Translocation of minerals Excretion of sap Ascent of sap Cooling Reveal answer Fill a bubble to check yourself B Correct answer Explanation Transpiration has multiple functions: translocation of minerals (moving nutrients upward), ascent of sap (creating upward pull), and cooling (evaporative cooling). Excretion of sap is NOT a function of transpiration - that is gutation.