Select the correct statement.

Which property of water allows planktons to float freely on the water surface?

Which pathway involves the movement of water through the intercellular spaces?

Which of the following statements is/are not incorrect?
$(i)$ Water and minerals,and food are generally moved by a mass or bulk flow system.
$(ii)$ Bulk flow can be achieved either through a positive hydrostatic pressure gradient or a negative hydrostatic pressure gradient.
$(iii)$ The bulk movement of substances through the conducting tissues of plants is called translocation.
$(iv)$ Xylem translocates organic and inorganic solutes,mainly from roots to the aerial parts of the plants.
$(v)$ Phloem translocates water,mineral salts,some organic nitrogen and hormones,from the leaves to other parts of the plants.

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.

Which of the following affects the rate of diffusion?