What are $P, Q$ and $R$ in the given anatomical structure?

  • A
    Primary xylem,Primary phloem,Secondary xylem
  • B
    Secondary phloem,Primary xylem,Secondary xylem
  • C
    Secondary xylem,Primary xylem,Primary phloem
  • D
    Secondary xylem,Secondary phloem,Primary phloem

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Similar Questions

Periderm includes

Which of the following statements is $NOT$ true about heartwood (duramen)?

$A$ : The oldest layer of sapwood lies just outside the vascular cambium.
$R$ : Sapwood contains actively conducting vessels and occupies the central part of the stem.

Which of the following increases due to the activity of the cambium?

Identify the incorrect statement regarding heartwood.

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