Biology · Plant Physiology

Which of the following represents the correct sequential steps in the pressure-flow mechanism of phloem transport?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Phloem unloading → Hydrostatic pressure decrease → Bulk flow → Phloem loading
2Bulk flow → Phloem loading → Hydrostatic pressure increase → Phloem unloading
3Hydrostatic pressure increase → Phloem loading → Bulk flow → Phloem unloading
4Phloem loading → Hydrostatic pressure increase → Bulk flow → Phloem unloading → Hydrostatic pressure decrease✓

Correct answer

Phloem loading → Hydrostatic pressure increase → Bulk flow → Phloem unloading → Hydrostatic pressure decrease

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