The table shows the percentage of protein, fat, and carbohydrate found in the same mass of different dried insects.
| Insect | Protein (%) | Fat (%) | Carbohydrate (%) |
|---|---|---|---|
| Mealworm | 48.2 | 27.5 | 12.3 |
| Cricket | 55.4 | 18.2 | 14.1 |
| BSF Larva | 39.8 | 38.4 | 9.6 |
| Grasshopper | 61.3 | 11.5 | 16.2 |
| Silkworm | 52.1 | 29.8 | 6.5 |
Which insect contains the least protein?
Calculate how many grams of protein are present in 1.5 kilograms of dried cricket. Show your working.
Which type of insect would provide the most energy per gram?
Give two metabolic or structural uses of lipids in the human body.
Name the chemical element found in all proteins but not in carbohydrates or lipids.
21 exam-style questions on Edexcel IGCSE Biology Biological molecules. Each one has a worked solution and a mark scheme showing where the marks go.