Assertion :- In roots cork cambium is of secondary origin.
Reason :- It arises due to dedifferentiation of pericycle tissue.
A. If both Assertion & Reason are True & Reason is a correct explanation of the Assertion.
B. If both Assertion & Reason are True but the Reason is a correct explanation of the Assertion.
C. If Assertion is True but the Reason is False.
D. If both Assertion & Reason are false.