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InterviewSolution
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vascular cambium producesA. primary xylem and primary phloemB. secondary xylem and secondary phloemC. primary xylem and secondary phloemD. secondary xylem and primary pholem |
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Answer» Correct Answer - b Vascular cambium is formed by fascicular and interfascicular cambium . It leads to secondary growth in dicot roots and dicot stems . Cells of vascular cambium , known as fusiform initially produce secondary phloem on the outside and secondary xylem on the inner side. Youngest xylem layer occur inner to vascular cambium while oldest layer of secondary xylem is found outside the primary xylem or towards pith . In case of phloem lies just outside the vascular cambium while oldest layer is towards outside , inner to primary phloem. |
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