Which of the given is/are not redifferentiated tissue? (a) phellem (b) phellogen (c) secondary xylem (d) phelloderm (e) vascular rays (f) secondary meristem
Answers
e) vascular rays
Explanation:
Redifferentiation is the process of creating new, differentiated tissue from an existing tissue. Parenchymatous tissue cells dedifferentiate into meristematic tissue during this phase.
According to their position and function, the cells that the meristematic tissue cuts off become the secondary cortex, secondary meristem, phellem, secondary xylem, phelloderm, phellogen, and secondary phloem in roots, monocot stem, cork cells, etc.
Dedifferentiation results in the loss of the capacity to divide in mature plant cells. Redifferentiation is the name of this phenomena.
The cells lose their ability to divide and differentiate further when new cells are created from dedifferentiated tissues that serve as meristems. They eventually mature to carry out specialized plant body functions.
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