1) What can most microorganisms be seen with? a) The naked eye b) Telescope c) Microscope 2) Which of these statements about microorganisms is not true? a) All microorganisms are harmful b) They reproduce c) They grow 3) What is yeast used for? a) Rising bread b) Curing measles c) Curing a cold 4) Why should raw and cooked foods be stored apart?  a) Because bacteria only likes cooked food b) Because bacteria only likes raw food c) To stop bacteria spreading from one to another. 5) Which of these is not caused by a microorganism?  a) Broken leg b) chicken pox  c) tooth decay 6) Which of these microorganism is useful?  a) Measels b) bronchitis  c) Bacteria that decompose leaves 7) Which of these microorganisms are harmful? a) Yeast b) Bacteria in yoghurt c) Bacteria on raw meat 8) Which are smaller? Bacteria or viruses? a) Bacteria b) Viruses 9) Why does cleaning teeth prevent tooth decay?  a) Microorganisms do not like toothpaste.  b) Toothpaste removes all microorganisms from the mouth.  c) Cleaning your teeth removes sugar which microorganisms like to feed on. 

Y6 - Microorganisms Quiz

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