$A$: Complementary cells are cut-off by phellogen towards the outside.
$R$: Phellogen is partially secondary in origin.

  • A
    Assertion and Reason both are correct and Reason is the correct explanation of Assertion.
  • B
    Assertion and Reason both are correct but Reason is not the correct explanation of Assertion.
  • C
    Assertion is correct,but Reason is incorrect.
  • D
    Both Assertion and Reason are incorrect.

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The trees have in them a large amount of:

Cork cambium is a:

What does the following figure represent?

Which tissue is more active during the autumn season?

In a typical dicot stem,the cork cambium $(phellogen)$ develops from:

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