Identify the functions of auxin and choose the correct option.
$I.$ Initiate rooting in stem cuttings
$II.$ Promote flowering in pineapples
$III.$ Controls xylem differentiation

  • A
    $I$ and $II$
  • B
    $II$ and $III$
  • C
    $III$ and $I$
  • D
    $I, II$ and $III$

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