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Assertion (A): Meristematic tissues constitute the major portion of plant body. Reason (R): Meristematic tissues, after differentiation, give rise to permanent tissues.
Give reasons for:
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Assertion (A): Suberin is found in the walls of cork cells. Reason (R): Suberin makes the cell walls permeable to gases and water.
Cork cells are made impervious to water and gases by the presence of
Which structure protects the plant body against the invasion of parasites?
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