$(i)$ Location : In cells of endodermis of root of dicot plant, thickening of suberin and lignin (like wax) is on radial wall in the form of a strip.

$\Rightarrow$ Function : Impermeable for water.

$(ii)$ Location : In endodermis of sunflower stem, inner parenchymatous taus cells possess starch grains.

$\Rightarrow$ Function: That stores starch.