1) Beer is produced by the process of fermentation a) True b) False 2) Bread contains alcohol a) True b) False 3) Bread rises because yeast respires, giving off carbon dioxide gas a) True b) False 4) Yeast isn't a live organism a) True b) False 5) Yeast can respire aerobically and anaerobically a) True b) False 6) It is the aerobic respiration of yeast that bread and beer are made from a) True b) False

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