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Most microorganisms cannot be seen without a ...
Which of these is NOT true about microorganisms?
They are all harmful
They feed and grow
What is yeast used for?
To cure chickenpox
To make bread rise
To make yoghurt
Why should cooked and uncooked foods be stored separately?
Because bacteria only like cooked food
Because bacteria only like uncooked food
To stop bacteria spreading from one to the other
Which of these is NOT caused by a microorganism?
A sprained ankle
Which of these microorganisms is useful?
Bacteria that decompose leaves
Which of these microorganisms is harmful?
Bacteria in yoghurt
Bacteria and viruses are both types of microorganisms. Which is smaller?
They are both the same size
Cleaning your teeth regularly helps prevent tooth decay because ...
Microorganisms don't like the taste of toothpaste
Brushing removes sugar that microorganisms like to eat
Brushing removes all microorganisms from your mouth
Which of these is true?
Microorganisms are all around us
Microorganisms are only found in the kitchen
All microorganisms cause illness