Q. Which one of the following is a driving force for the process of passive absorption of water in roots ?

 1980  231 KCETKCET 2010Transport in Plants Report Error

Solution:

Passive absorption is absorption by the pull from transpiration without the active involvement of root cells, The shoots and leaves of the plant experience transpiration due to evaporation of water from their surface. So, the answer is, "Transpiration in leaves".