A) from the pericycle
B) from intra fascicular cambium
C) just outside the primary bundles
D) by inter and intra fascicular cambia
Correct Answer: C
Solution :
[c] In Bougainvillea, the primary vascular bundles lie scattered in the ground tissue. A cambium ring arises outside the primary vascular bundles. This cambium cuts xylem and conjunctive tissue on the inner surface and phloem and conjunctive tissues on the outer surface which arises in centrifugal manner.
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