Multiple choice

Which of the following is not a function of transpiration?

  1. Translocation of minerals

  2. Excretion of sap

  3. Ascent of sap

  4. 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.