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Microorganisms - Quiz

1.

Most microorganisms cannot be seen without a ...

2.

Which of these is NOT true about microorganisms?

3.

What is yeast used for?

4.

Why should cooked and uncooked foods be stored separately?

5.

Which of these is NOT caused by a microorganism?

6.

Which of these microorganisms is useful?

7.

Which of these microorganisms is harmful?

8.

Bacteria and viruses are both types of microorganisms. Which is smaller?

9.

Cleaning your teeth regularly helps prevent tooth decay because ...

10.

Which of these is true?

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