Water Potential Class Checking for Understanding

• Out of the cell

• Into the cell

• Both into and out of the cell

• Neither into nor out of the cell

1.  If the water potential of a cell is higher than the surrounding solution.  The water will ____.

• Move into the cell.
• Move equally in and out of the cell.
• Move out of the cell.

Pure water has a water potential of ___.

• 1
• 0
• -1
• 100

A sucrose solution in a beaker has a solute potential of -4 bars.  A cell with a solute potential of -2 bars is placed in the beaker.  What will be the direction for the net movement of water?

• into the cell
• out of the cell
• there will be no net movement

• -7.5

• 7.5

• -1.5

• 1.5

Which way will the water move if the Ψ inside the cell is -3.8 and the Ψ outside the cell is -1.2?

• outside the cell

• inside the cell

• The water will not move because the cell is at equilibrium with its environment.

• There is not enough information to answer this question.

For a cell in an open container, the solute potential is _____________ the water potential.

• less than

• greater than

• equal to

• not related to