Transpiration in plants requires _____. i) adhesion of water molecules to cellulose ii) cohesion between water molecules iii) evaporation of water molecules iv) active transport through xylem cells v) transport through tracheids transpiration in plants requires _____. i) adhesion of water molecules to cellulose ii) cohesion between water molecules iii) evaporation of water molecules iv) active transport through xylem cells v) transport through tracheids i, ii, iii, and iv i, iii, iv, and v i, ii, iii, and v i, ii, iv, and v