NEET 2018 Biology question

Secondary xylem and phloem in dicot stem are produced by

(1)Phellogen
(2)Vascular cambiumCorrect
(3)Apical meristems
(4)Axillary meristems

Answer: (2)

Solution

The vascular cambium is a lateral meristem that cuts off secondary xylem on its inner side and secondary phloem on its outer side (more xylem is formed than phloem).

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Question ID VK-092319