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.

Which of the following statements are true for diffusion?
$I-$ It is a short-distance or passive transport.
$II -$ It can occur in any direction from the intercellular space of leaves to the external environment.
$III -$ Energy is expended.
$IV -$ Molecules move from a region of lower concentration to a region of higher concentration.
$V -$ Diffusion is a slow process and is not dependent on a living system.
$VI -$ Diffusion is obvious in gases and liquids,but diffusion in solids is more likely rather than of solids.

Movement of particles of matter in the cell due to its own kinetic energy is called

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

In which form$(s)$ is water found in nature?

In which form$(s)$ does water exist in nature?