Biology 9700 · AS & A Level · Movement into and out of cells

Movement into and out of cells — practice question

The statements outline the changes that take place as sucrose is transported. 1 Hydrostatic pressure falls. 2 Hydrostatic pressure rises. 3 Sucrose is loaded into the phloem vessel. 4 Sucrose is unloaded from the phloem vessel. 5 Water enters the phloem by osmosis. 6 Water leaves the phloem by osmosis. 7 Water potential falls in the phloem. 8 Water potential rises in the phloem. Which sequence correctly shows the events in a plant at a source during the movement of sucrose?

  • A3  7  5  2
  • B3  8  6  1
  • C4  7  5  2
  • D4  8  6  1

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