Attractive forces of cell walls for water molecules is termed as

At what temperature is the density of water the highest (in $^\circ \text{C}$)?

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.

Why is water essential for plants?

Choose the incorrect sentences:
$(1)$ Water provides the medium in which most substances are dissolved.
$(2)$ $A$ watermelon has $92\%$ water.
$(3)$ Terrestrial plants take up huge amounts of water daily,but most of it is used in photosynthesis by leaves.
$(4)$ $A$ mature corn plant absorbs almost $3$ liters of water in a day.
$(5)$ Distribution of water is similar in plants.

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