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Question
Cork cambium is otherwise called as
Cork cambium is otherwise called as
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Solution
The correct option is D Phellogen
During extrastellar secondary growth, the epidermis and pericycle with parenchyma or collenchyma cells acquire secondary meristematic property by de-differentiation and is called as phellogen or cork cambium. The inner derivatives of cork cambium remain living and differentiate into parenchyma or collenchyma. This newly formed inner zone is called secondary cortex or phelloderm. Cork is formed from phellogen. The phellem (cork), phellogen (cork cambium) and phelloderm together form the periderm.
Thus, the correct answer is option D.
During extrastellar secondary growth, the epidermis and pericycle with parenchyma or collenchyma cells acquire secondary meristematic property by de-differentiation and is called as phellogen or cork cambium. The inner derivatives of cork cambium remain living and differentiate into parenchyma or collenchyma. This newly formed inner zone is called secondary cortex or phelloderm. Cork is formed from phellogen. The phellem (cork), phellogen (cork cambium) and phelloderm together form the periderm.
Thus, the correct answer is option D.
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