Growth rings are formed due to the activity o | vedclass

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(B) Growth rings,also known as annual rings,are formed in the secondary xylem of woody plants due to the seasonal activity of the vascular cambium.The

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Intrastelar cambium

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(B) Growth rings,also known as annual rings,are formed in the secondary xylem of woody plants due to the seasonal activity of the vascular cambium.The vascular cambium is located within the stele of the stem and is therefore referred to as the intrastelar cambium.During spring,the cambium is very active and produces large-sized xylem elements with wide vessels,forming early wood (spring wood).During autumn or winter,the cambium becomes less active and produces narrow,thick-walled xylem elements,forming late wood (autumn wood).The alternation of these two types of wood in a single year creates a distinct growth ring.

Growth rings are formed due to the activity of:

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