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Question
Dead cells of cork contain a chemical in their wall that makes them impervious to gases and water. The chemical is:
Dead cells of cork contain a chemical in their wall that makes them impervious to gases and water. The chemical is:
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Solution
The correct option is
D
Suberin
Suberin is the component that is present in the cork cells. The internal tissues prevent the evaporation of cork cells. At the time of maturity, the cork cells become dead and replace the epidermis layer of the stem or root with the outer boundary. The suberin does not allow the water and gases to go outside of the cork cells. It is overall protecting cork cells that are present on the barks of trees.
The correct option is
D
Suberin
Suberin is the component that is present in the cork cells. The internal tissues prevent the evaporation of cork cells. At the time of maturity, the cork cells become dead and replace the epidermis layer of the stem or root with the outer boundary. The suberin does not allow the water and gases to go outside of the cork cells. It is overall protecting cork cells that are present on the barks of trees.
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