Edexcel IGCSE Biology · Spec 2.24-2.26
A Balanced Diet
The seven components of a balanced diet, their sources and functions, and how energy needs vary from person to person.
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A Balanced Diet
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Spec 2.24-2.26
What you need to know
- List the parts of a balanced diet
- Give the source and function of each
- Explain how energy needs vary
Active recall
Quick check
Answer each question before opening the answer.
Name the components of a balanced diet.
Carbohydrates, proteins, lipids, vitamins, minerals, water and dietary fibre.
State a deficiency disease caused by lack of vitamin C, vitamin D and iron.
Vitamin C — scurvy; vitamin D — rickets; iron — anaemia.
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