NEET Solved Paper 2018 Question 35

Question: Secondary xylem and phloem in dicot stem are produced by [NEET - 2018]

Options:

A) Phellogen

B) Vascular cambium

C) Apical meristems

D) Axillary meristems

Show Answer

Answer:

Correct Answer: B

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.