Vascular cambium is a meristematic layer that cuts off

  • [AIPMT 1990]
  • A

    Primary xylem and primary phloem

  • B

    Xylem vessels and xylem tracheids

  • C

    Primary xylem and secondary xylem

  • D

    Secondary xylem and secondary phloem

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The waxy substance associated with cell walls of cork cells is or cork cells are impervious to water because of the presence or what is deposited on cork cells

  • [AIPMT 1994]

Cork cambium forms tissues that form the cork. Do you agree with this statement? Explain.