1) Food is a source of what type of energy? a) Gravitational b) Chemical c) Heat d) Sound 2) Proteins break down into... a) fatty acids and glycerol b) amino acids c) maltose d) glucose 3) Lipids break down into... a) fatty acids and glycerol b) amino acids c) maltose d) glucose 4) Fats are sources of energy AND insulation a) True b) False 5) Carbohydrates breaks down into... a) fatty acids and glycerol b) amino acids c) starch d) glucose 6) Which of the following is not a carbohydrate? a) Cellulose b) Starch c) Glycogen d) Muscle 7) Why are proteins important? a) Energy b) Insulation c) Growth and Repair d) Transportation 8) What is the main function of fibre? a) Prevent constipation b) Growth and repair c) Insulation d) as a solvent 9) Select the source and function of Iron a) Red meat, beans, nuts b) Milk, green vegetables c) Fish, shellfish and yoghurt d) Making red blood cells e) Strong bones/teeth, healthy muscles, blood clotting f) Make some hormones 10) Which reagent is used to test for starch? a) Iodine b) Benedicts c) Biruet d) Sudan III 11) Which reagent is used to test for glucose? a) Iodine b) Benedicts c) Biruet d) Sudan III

Biological molecules

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