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Cambridge IGCSE Biology practice

Paper 3 structured question: Osmosis

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Osmosis

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Paper 3Theory (Core)1 marks

Water movement in cells

Description

Water movement description

A cell is placed in a solution with a lower water concentration than inside the cell.

  1. a

    Identify what will happen to the water movement in the cell.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Osmosis

Paper 3Theory (Core)1 marks

Diagram Description

Diagram of a cell in a solution

A diagram shows a cell surrounded by a solution. The concentration of water molecules is higher outside the cell than inside.

  1. a

    State the process by which water enters the cell through the cell membrane.

    Aim for approximately 1 distinct marking point.

    [1]