59.Secondary xylem and phloem in dicot stem are produced by a. Apical meristem b. Vascular cambium c. Phellogen d. Axillary meristem

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Muskan Anand

2 years ago

Option B. Secondary xylem and phloem in dicot stem are produced by Vascular cambium. Vascular cambium present between primary xylem and phloem.

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