When secondary growth in thickness is initiated in a dicot root, which of the following happens first

  • A

    Anticlinal divisions take place so that the cambium becomes circular

  • B

    Cambial initial between xylem and phloem divide

  • C

    Parenchymatous cells between xylem and phloem become meristematic

  • D

    ‘Pericycle strands’ outside the primary xylem divide

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