Differentiation plants - biology encyclopedia - cells, Differentiation in plants refers to the processes by which distinct cell types arise from precursor cells and become different from each other.. Roots - plant phys, Roots root functions. water uptake: roots take water from the capillary spaces between soil particles. this function is carried out by the young portions of the roots. Cbse guide ncert solutions: tissues | cbse board class 9, Ans: the group of cells similar in structure that work together to achieve a particular function forms a tissue. this group of cells has a common origin..