In dicot roots,what is the very first event that occurs during the initiation of secondary growth?

  • A
    The vascular cambium develops between the xylem and phloem.
  • B
    The pericycle cells located outside the primary xylem begin to divide.
  • C
    Periclinal divisions occur,making the cambium ring complete.
  • D
    Parenchymatous cells located between the xylem and phloem become meristematic.

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Assertion : In woody stems,the amount of heart wood continues to increase year after year.
Reason : The cambial activity continues uninterrupted.

In which of the following does secondary growth take place?

Cork tissue arises from

Select the wrong statements.
$I.$ Primary and secondary phloem gets crushed during secondary growth.
$II.$ During secondary growth,primary xylem remains more or less intact.

The vascular cambium normally gives rise to

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