Formula for Water Potential
Trending Questions
- A and D to B and C
- A to B, C and D
- B to A, C and D
- C to A, B and D
- decrease in magnitude of 𝚿w due to the dissolution of solute
- Magnitude of change in the 𝚿w due to the mechanical pressure
- Component of 𝚿w contributed by the application of pressure by the solution
- Pressure exerted by the protoplast due to the entry of water into the cell
- Because its Ψw is greatly increased
- Because its DPD is greatly decreased
- Because its Ψw becomes strongly negative
- Because its Ψw is increased and DPD is decreased
- decrease in magnitude of 𝚿w due to the dissolution of solute
- Magnitude of change in the 𝚿w due to the mechanical pressure
- Component of 𝚿w contributed by the application of pressure by the solution
- Pressure exerted by the protoplast due to the entry of water into the cell
Study the following table showing the components of water potential of four cells of an actively transpiring plant.
CellSolute potentialPressure potential(MPa)(MPa)A−0.680.42B−0.750.36C−0.830.47D−0.570.29
Identify the four cells as root hair, cortical cell, endodermal cell (lacking casparian strips) and pericycle cell respectively in the young root (assuming symplastic water flow through them).
B, D, C, A
D, A, C, B
A, D, C, B
A, C, B, D
Two cells, A and B beside each other in the root cortex. ψs and ψp values of cell A are - 0.8 MPa and 0.6 MPa. ψs and ψp of cell B are -0.7MPa and 0.4 MPa. Water moves from ______.
A to B
B to A
Dynamic Equilibrium between A and B
No movement
- -22 bar; water will move out of the cell
- -12 bar; water will move into the cell
- -22 bar; water will move into the cell
- -12 bar; there will be no net movement of water
Study the following table showing the components of water potential of four cells of an actively transpiring plant.
CellSolute potentialPressure potential(MPa)(MPa)A−0.680.42B−0.750.36C−0.830.47D−0.570.29
Identify the four cells as root hair, cortical cell, endodermal cell (lacking casparian strips) and pericycle cell respectively in the young root (assuming symplastic water flow through them).
B, D, C, A
D, A, C, B
A, D, C, B
A, C, B, D