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# Fatty substance present in epidermal cell walls is :-

$\begin{array}{1 1}(A)\;\text{Cuticle}\\(B)\;\text{Suberin}\\(C)\;\text{Wax}\\(D)\;\text{Both (B) & (C)}\end{array}$

Cuticle is deposited on epidermal cell wall to decrease the rate of transpiration and water loss from stem.Particularly prominent in xerophytes.
Hence (A) is the correct answer.