Water potential
Assessment
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Penny Dunning
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Science
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11th - 12th Grade
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507 plays
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Medium
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15 questions
Show answers
1.
Multiple Choice
If a cells = 3 bars and its = -4.5 bars, what is the resulting ?
-7.5
7.5
-1.5
1.5
2.
Multiple Choice
A cell with a water potential of -1.5 bars is placed in a beaker of sugar water with = -4.0 bars. In which direction will the net flow of water be?
Out of the cell
Into the cell
Both into and out of the cell
Neither into nor out of the cell
3.
Multiple Choice
A cell with a water potential of -1.5 bars is placed in a beaker of sugar water with = 1.5 bars. In which direction will the net flow of water be?
Into the cell
Out of the cell
No net flow of water
4.
Multiple Choice
The value for in root tissue was found to be -3.3 bars. If you take the root tissue and place it in a 0.1 M solution of sucrose at 20 C in an open beaker, what is the of the solution, and in which direction would the net flow of water be?
= -3.3, net flow into the root
= 3.3, net flow out of the root (into the solution)
= -2.43, net flow into the root
= 2.43, net flow out of the root (into the solution)
5.
Multiple Choice
NaCl dissociates into 2 particles in water: Na+ and Cl-. If a solution in an open beaker contained 0.1M NaCl at 20 C, what is the of the solution, and in which direction would the net flow of water be?
-3.3 bars, net flow out of the root (into the solution)
3.3 bars, net flow into the root
-4.87 bars, net flow out of the root (into the solution)
4.87 bars, net flow into the root
6.
Multiple Choice
A plant cell with a of -7.5 bars keeps a constant volume when immersed in an open-beaker solution that has a of -4 bars. What is the cells ?
-4
-7.5
-3.5
3.5
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