A dietary assessment of a school lunch is performed to analyze its nutritional value.
The table lists some of the components in the lunch. Complete the table by giving the function of each component. One has been done for you.
| Component | Function of component |
|---|---|
| vitamin D | |
| vitamin C | healthy skin and gums / tissue repair |
| iron | |
| lipids | |
| water |
Describe a test to show that the lunch contains reducing sugars (such as glucose).
The lunch also contains lipids and proteins. (i) Give the three chemical elements found in lipids that are also found in proteins. (ii) The table lists two substances involved in the digestion of the lunch. Complete the table by naming an organ that produces each substance.
| Substance | Organ |
|---|---|
| bile | |
| lipase |
65 exam-style questions on Edexcel IGCSE Biology Nutrition. Each one has a worked solution and a mark scheme showing where the marks go.