Cambridge IGCSE Combined Science practice

Paper 3 structured question: Respiration

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

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Paper

Marks

Topic

Respiration

Exam-style question

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Paper 3Theory (Core)3 marks

Describe how energy is used in maintaining a stable body temperature.

Description

Energy plays a key role in thermoregulation in living organisms.

a
Describe the processes that use energy to maintain body temperature.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)2 marks

Description

Energy is vital for various biological processes in living organisms.

a
Explain the role of energy in muscle movement and growth.
Your answer
Aim for approximately 2 distinct marking points.
[2]