What are the functions of the cell wall in plant cells?

Cell wall is an extra layer encompassing the plasma film in plant cells. Its functions are:

(I) to give shape and support to the plant cell.

(ii) to give assurance against varieties in temperature, barometrical dampness, and so on.

(iii) counteracts water misfortune.

(iv) controls the rate and heading of cell development and directs cell volume.