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प्रश्न
Cork cells are made impervious to water and gases by the presence of
विकल्प
cellulose
lipids
suberin
lignin
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उत्तर
suberin
Cork is the outermost layer of an old woody stem which comprises of dead cells with no intercellular spaces. The cell walls of cork cells are deposited with suberin which makes them impervious to water and gases.
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