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  4. Lenticels are formed by rupturing of the epidermis by

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Q. Lenticels are formed by rupturing of the epidermis by

NTA AbhyasNTA Abhyas 2022

Solution:

In certain regions, the phellogen cuts off closely arranged parenchymatous cells on the outer side instead of cork cells. These parenchymatous cells soon rupture the epidermis, forming lens-shaped openings called lenticels. Lenticels permit the exchange of gases between the outer atmosphere and the internal tissue of the stem. These occur in mostly woody trees.