O-LevelBiologyPlant Nutrition5090/12 · May/June 2020 · Q21 Mark
Which movement of a substance in plants is an energy-consuming process?
Aabsorption of carbon dioxide by a palisade cell
Babsorption of oxygen by a mesophyll cell
Cnitrate uptake by root hair cells
Dtransport of water up through the xylem
✓ Correct answer
C: nitrate uptake by root hair cells
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