If a nail is driven into the trunk of a mango | vedclass

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(D) The growth in height of a plant is primarily due to the activity of the apical meristem located at the tips of the shoots and roots. Secondary gro

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The nail remains at the same height of $2 \ m$.

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(D) The growth in height of a plant is primarily due to the activity of the apical meristem located at the tips of the shoots and roots. Secondary growth,which increases the girth (thickness) of the stem,occurs due to the activity of the vascular cambium and cork cambium. Since the nail is driven into the trunk,it is embedded in the secondary xylem (wood). As the tree grows in girth over $5$ years,the nail will be pushed outward,but its vertical position relative to the ground will not change because the stem does not elongate from the base or middle; it only elongates at the apical meristem. Therefore,the nail remains at the same height of $2 \ m$.

If a nail is driven into the trunk of a mango tree at a height of $2 \ m$ above the ground,what will be the height of the nail after $5$ years?

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