Cambridge IGCSE · Biology (0610)

Diet: Practice Questions

5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Diet.

10 questions23 marksFree, no account

Question 1

1 mark

What is the principal importance of carbohydrates in a human diet?

Question 2

1 mark

A child living in a high-latitude region with very little sunlight exposure presents with bowed legs and bone pain. Which dietary deficiency and corresponding biological reason explain this condition?

Question 3

1 mark

Which of the following describes the most balanced approach to preventing coronary heart disease (CHD) through diet?

Question 4

1 mark

Which of these is the most significant dietary source of Vitamin D?

Question 5

1 mark

Which statement best describes the importance of including Vitamin C in a balanced diet?

Question 6

2 marks

State one importance of dietary fibre (roughage) in a balanced human diet.

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Question 7

3 marks

Contrast the biological importance of carbohydrates and fats as dietary components for energy management in the body.

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Question 8

4 marks

Explain the importance of fibre (roughage) in a balanced diet and the physiological consequence of its absence in the alimentary canal.

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Question 9

5 marks

(a) Explain what is meant by a balanced diet.
(b) Name two essential mineral ions and two vitamins, and for each, state its importance in the human body.
(c) Describe the dietary causes of scurvy and rickets.

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Question 10

4 marks

A person's diet is found to be high in processed sugars but extremely low in fibre (roughage).
(a) Describe how a lack of fibre affects the movement of food through the alimentary canal.
(b) State the name of the medical condition that often results from this deficiency.

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