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Cambridge IGCSE Combined Science practice

Paper 4 structured question: Osmosis

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4

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2

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Osmosis

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Paper 4Theory (Extended)2 marks

Understanding the behavior of plant cells in different solutions is essential for biology.

Description

Plant Cell Behavior in Solutions

Plant cells can be affected by the concentration of the surrounding solution, leading to various states such as turgid, flaccid, or plasmolyzed.

  1. a

    Explain What happens to a plant cell when placed in a hypertonic solution?

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 4 structured question: Osmosis

Paper 4Theory (Extended)3 marks

Description

Effects of Solutions on Plant Cells

Plant cells can be placed in solutions of varying concentrations. The responses of these cells can be categorized based on the concentration of the solution they are in.

  1. a

    Analyse Discuss the effects of placing a plant cell in a hypotonic solution.

    Aim for approximately 3 distinct marking points.

    [3]