Which force is generated between water molecules and the walls of the xylem vessels?

In the symplast pathway of water movement,water passes from cell to cell,whose cytoplasm are connected through:

In active absorption of water in plants,the metabolic energy is supplied by:

The term $apoplast$ signifies

Select the correct statement$(s)$ regarding bulk flow.
$I-$ In tall plants,water,minerals,and food are moved by a bulk flow system.
$II-$ This type of movement is achieved through a pressure difference between two points.
$III-$ In bulk flow,substances,whether in solution or suspension,move at the same pace as in a flowing river.
$IV-$ This process is similar to diffusion.

Select the incorrect statement regarding water.