AQA GCSE Food Technology Exam Questions with Verified Answers

Sources of protein - ANSWER-meat, fish, cheese, eggs, nuts, seeds, beans Proteins are made of - ANSWER-amino acids We need to eat which amino acids - ANSWER-essential amino acids (EAA's) Why do we need protein - ANSWER-growth, repair, maintenance What are high biological value proteins? - ANSWER-contain all essential amino acids / EAA's What are low biological value proteins? - ANSWER-only contain some EAA's / essential amino acids What is protein complementation? - ANSWER-Where LBV proteins are combined Example of protein complementation - ANSWER-Beans on toast, hummus and pitta Amount of protein for males - ANSWER-55g Amount of protein for females - ANSWER-45g Extra amount of protein if pregnant - ANSWER-6g Excess protein - ANSWER-strains liver and kidneys deficiency of protein - ANSWER-slow growth, bad nails, oedema, bad immune system, kwashiorkor examples of alternative proteins - ANSWER-soya, mycoprotein, tofu, TVP Why are fats needed? - ANSWER-energy, insulation, protect organs, absorb vitamins, make cholesterol structure of saturated fats - ANSWER-single C-C bond Structure of unsaturated fats - ANSWER-double C=C bond What are fats made of? - ANSWER-3 fatty acids and glycerol Which fats are bad for your health? - ANSWER-saturated fats