What do you know?

1. A type of remote controlled toy car
2. A very small living thing
3. A very large living thing
4. A very small thing that has never been alive
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2. Which of these is a disease caused by a micro-organism?
1. Scurvy
2. Chicken pox
3. Grazed knee
4. Twisted ankle
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3. Why should you brush your teeth?
1.
Toothpaste tastes nice
2.
Brushing helps the bacteria that cause tooth decay to grow
3.
Brushing gets the bacteria that cause tooth decay off your teeth
4.
Brushing makes holes in your teeth to help you chew food
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4. What happens when something decays?
1. It is eaten by microorganisms
2. It evaporates
3. It stops something arriving somewhere on time
4. It is thrown away in a bin
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5. Which of these things will not decay in nature?
1. An apple
2. A newspaper
3. A dead tree
4. A glass bottle
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6. When does decay happen quickest?
1. When it is warm and damp
2. When it is warm and dry
3. When it is cold and damp
4. When it is cold and dry
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7. Which of these things do all living things not do?
1. Feed
2. Grow
3. Reproduce
4. Cause diseases
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8. Which of these foods is made using micro-organisms?
1. Lettuce
2. Milk
3. Cheese
4. Jam
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9. Which micro-organism is used to make bread?
1. Viruses
2. Bacteria
3. Yeast
4. Hovis
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