According to the principle of diffusion,molecules of a substance move from:

Cell walls of root hairs for absorbing water must be

The water present in the fine spaces of small non-colloidal soil particles is called . . . . . . water.

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 regarding transport in plants is incorrect?

If water uptake occurs through leaves,which of the following statements is correct?