Edexcel IGCSE Biology 2.24 balanced diet components
Practise judging balanced diets from food and drink data, comparing nutrients and linking excess or deficiency to health effects.
- Syllabus
- First assessment 2019
- Course
- Biology 4BI1
Exam points
- compare food tables to decide whether milk substitutes meet a child's growth needs
- suggest health advantages of low-glucose drinks using energy, obesity and tooth-decay links
2.24 Balanced diet question 1
The diagram shows the digestive system of a dog with some structures labelled. The digestive system of the dog is similar to that of a human.
Question (a)
(a)
The table lists some ingredients in food given to young dogs and in food given to adult dogs.
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Question (i)
(i)
Discuss the differences between the composition of the two foods.
[ 4 ]
Question (ii)
(ii)
The diet of wild dogs consists of prey animals and a small amount of plant material contained in the gut of their prey.
Domesticated dogs are often given a diet that contains large amounts of carbohydrates such as starch.
Explain the possible effects of feeding domestic dogs large quantities of carbohydrates such as starch.
[ 3 ]
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