Cork is impervious to water due to the presence of $\_\_\_\_$ in its cell wall.\

Question

Professor PC Thomas Classes · Answer

(c) : The phellem or cork cells are dead. These are impervious to water due to suberin deposition in the cell wall. Cork prevents the loss of water by evaporation. It also protects the interior against entry of harmful microorganisms, mechanical injury and\ extremes of temperature. Cork is light, compressible, non-reactive and sufficiently resistant to fire. It is used as stopper for bottles, shock absorption and insulation.