Fundamentholfundamenthol
NEET2018Paper 2018Biology
Q.

Secondary xylem and phloem in dicot stem are produced by

  1. A

    Apical meristems

  2. B

    Phellogen

  3. C

    Vascular cambium

  4. D

    Axillary meristems

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.

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