Diet IQ quiz How much do you know about diets, food and exercise? Put your knowledge to the test with the diet IQ test. 1.  Which one would take the longest to burn off? Medium popcorn Sesame and honey bar Can of soft drink 30g packet potato crisps  2.  How many teaspoons of sugar in a can of soft drink? 25 10 5 2   3.  Which slice of bread has the most kilojoules? White Turkish Rye Wholemeal  4.  How long do you have to exercise each day to improve fitness? 10 minutes 20 minutes 30 minutes 60 minutes  5.  What has the most iron per 100 grams? Cooked spinach Rump steak Pistachio nuts Steamed mussels   6.  Which burns more kilojoules per hour? Walking Jogging Jumping rope Cycling

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