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Transpiration — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyTranspiration2 Marks
Question
What is meant by the term transpiration stream?
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Answer

A pulling force called suction, caused by the evaporation of water in a leaf draws a long, continuous column of water through the xylem from the root to the leaf. This is called the transpiration stream.

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