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Biology
Secondary xylem and phloem in dicot stem are produced by
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Q. Secondary xylem and phloem in dicot stem are produced by
NEET
NEET 2018
Anatomy of Flowering Plants
A
Axillary meristems
7%
B
Apical meristems
12%
C
Phellogen
17%
D
Vascular cambium
64%
Solution:
• Vascular cambium is partially secondary
• Form secondary xylem towards its inside and secondary phloem towards outsides.
• $4 - 10$ times more secondary xylem is produced than secondary phloem.