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Biological molecules

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Question 10

The table shows the percentage of protein, fat, and carbohydrate found in the same mass of different dried insects.

InsectProtein (%)Fat (%)Carbohydrate (%)
Mealworm48.227.512.3
Cricket55.418.214.1
BSF Larva39.838.49.6
Grasshopper61.311.516.2
Silkworm52.129.86.5
a.

Which insect contains the least protein?

[1]
b.

Calculate how many grams of protein are present in 1.5 kilograms of dried cricket. Show your working.

[2]
c.

Which type of insect would provide the most energy per gram?

[1]
d.

Give two metabolic or structural uses of lipids in the human body.

[2]
e.

Name the chemical element found in all proteins but not in carbohydrates or lipids.

[1]

Biological molecules Questions

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