Question

(a) What types of cells are present on the outer layer of the Bark/tree trunk ?

(b) How does the cork act as a protective tissues ?​

Answer 1

a) cork layer of dead cells.

b)The cork cells are dead and compactly packed with no intercellular space. Their cell walls are coated with a waxy substance, suberin, which do not allow water and gases to pàss through. Therefore, it protects the plant against mechanical injury and also prevents the loss of water by evaporation.

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