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IB Biology HL D2.3.10 Hl Solute and Pressure Potential Questions

Use Ψw = Ψs + Ψp to calculate plant-cell solute potential from water and pressure values, applying the correct sign and kPa units in IB Biology HL D2.3.10.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Use Ψw = Ψs + Ψp to calculate plant-cell solute potential from given water and pressure potentials, keeping the negative sign and kPa units.

IB Biology HL D2.3.10 Hl Solute and Pressure Potential Questions question 1

[Maximum number: 1]

The water potential of a plant cell is -0.24 kPa . If the pressure potential of the cell is 0.46 kPa , what is the solute potential of that cell?

Ψw=Ψs+Ψp\Psi_{\mathrm{w}}=\Psi_{\mathrm{s}}+\Psi_{\mathrm{p}}
A

0.22 kPa

B

-0.22 kPa

C

0.70 kPa

D

-0.70 kPa

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