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IB Biology HL 2.3.10 Solute and pressure potential Question Bank

Practise IB Biology HL 2.3.10 by applying solute and pressure potential concepts to exam-style questions.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • identify the relevant biological structure, process or evidence
  • apply the correct biological mechanism to the question
  • evaluate the result using data, adaptation or ecological reasoning

D2.3.10 (HL)—Solute and pressure potential 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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