Biology 5090 · O Level · Diffusion and osmosis

Diffusion and osmosis — practice question

The diagram shows a group of cells in the root of a plant that is taking up water from the soil. In what way is the water potential of the cell labelled 2 different from the water potentials of the cells labelled 1 and 3?

  • Ahigher than cell 1 and higher than cell 3
  • Bhigher than cell 1 and lower than cell 3
  • Clower than cell 1 and higher than cell 3
  • Dlower than cell 1 and lower than cell 3

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