Biology for IGCSE & O level - Transport In Plants (Section 5 - No. 18)
What is meant by the term 'transpiration pull'?
The movement of sugars in the phloem.
The force that draws water up the xylem.
The force exerted by the roots to absorb water.
The pressure within the plant cells.
Explanation
Transpiration pull is the force generated by the evaporation of water from leaves, which draws water up the xylem from the roots.
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