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(D) The growth in the circumference or girth of stems and roots is known as secondary growth.Secondary growth is primarily facilitated by the activity

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Cambium (Meristematic tissue)

Vedclass · Answer

(D) The growth in the circumference or girth of stems and roots is known as secondary growth.Secondary growth is primarily facilitated by the activity of lateral meristems.Cambium,specifically the vascular cambium,is a type of lateral meristematic tissue that divides to produce secondary xylem towards the inside and secondary phloem towards the outside.This continuous production of secondary vascular tissues leads to an increase in the diameter (girth) of the plant axis.Therefore,the cambium is responsible for the increase in girth.

Which of the following is responsible for the growth in circumference or girth of stem and root in plants?

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