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Life Processes — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceLife Processes2 Marks
Question
What are lenticels?
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Answer

Lenticels are pore-like openings seen on the surface of the stem. During periderm formation the cork cells becomes impervious to water and gases. To overcome this lenticels are developed during the secondary growth. They are meant for gaseous exchange.

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