Cambridge IGCSE Combined Science practice

Paper 4 structured question: Osmosis

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

Osmosis

Exam-style question

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Paper 4Theory (Extended)3 marks

Osmosis is a critical process in biological systems.

Description

Consider a plant cell placed in a solution with a lower concentration of solutes than the cell's cytoplasm.

a
Explain the process of osmosis in the context of the plant cell described.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 4Theory (Extended)3 marks

Description

Discuss the implications of osmosis for both plant and animal cells in different solutions.

a
Discuss the effects of osmosis on plant and animal cells when placed in hypertonic and hypotonic solutions.
Your answer
Aim for approximately 3 distinct marking points.
[3]