Diet (Cambridge O Level Biology)

A man is overweight.

Fig. 1 shows his diet. He consumes 15 000 kJ a day.

Fig. 1

Suggest why the diet shown in Fig. 1 is not considered to be a balanced diet.

[2]

Suggest and explain how the man could reduce his weight.

The following sentences describe the importance of some foods.

Choose words from the list to complete the sentences.

Oranges and lemons are fruits which are a good source of ............................................... and help to prevent ............................................... .

Foods made from milk are important for making healthy bones and ............................................... because they are a good source of ............................................... .

Fibre is important because it helps to prevent ............................................... .

Explain how a woman’s dietary needs will change when she is pregnant.

The diagram shows a food label from a pot of yoghurt.

Yoghurt can contribute to a balanced diet but adult humans cannot survive by eating only yoghurt. 

Explain this statement using the information on the label.