Microorganisms in the Environment: Bacterial Diseases Quiz
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Questions and Answers

What is a microorganism?

  • A non-living organism that is visible to the naked eye
  • A multicellular organism that can be seen without a microscope
  • An organism that can only be seen with a microscope and is made of cells (correct)
  • An organism that is too small to be seen even with a microscope

    • Which of the following is a microorganism?

  • Protozoa (correct)
  • Mushroom
  • Fish
  • Tree

    • What is a common characteristic of many microorganisms?

  • They are all made of only one cell (correct)
  • They are all plants
  • They are all multicellular
  • They are all visible to the naked eye

    • Which of the following is NOT a kind of microorganism?

    <p>Mushroom</p> Signup and view all the answers

    What is the defining characteristic of bacteria?

    <p>They are made of only one cell</p> Signup and view all the answers

    What is the main characteristic that distinguishes bacteria cells from animal and plant cells?

    <p>Bacteria cells are single-celled organisms</p> Signup and view all the answers

    Why are viruses not usually classified as microorganisms?

    <p>Viruses are not composed of cells</p> Signup and view all the answers

    What distinguishes yeast from mushrooms and toadstools?

    <p>Yeast is made of single cells, not threads</p> Signup and view all the answers

    What is a colony of microorganisms?

    <p>A collection of many cells produced through cell division</p> Signup and view all the answers

    How do scientists usually let microorganisms grow in a laboratory setting?

    <p>In a Petri dish containing sterile agar jelly</p> Signup and view all the answers

    Bacteria can be easily seen with the naked eye.

    <p>False</p> Signup and view all the answers

    Most fungi, including mushrooms and toadstools, are always microorganisms.

    <p>False</p> Signup and view all the answers

    Yeast cells feed on sugar in the grapes.

    <p>True</p> Signup and view all the answers

    Viruses are larger than bacteria.

    <p>False</p> Signup and view all the answers

    A single microorganism is large enough to see without a microscope.

    <p>False</p> Signup and view all the answers

    Some bacteria can cause diseases in humans. True or False?

    <p>True</p> Signup and view all the answers

    A microorganism is a living organism that is visible to the naked eye. True or False?

    <p>False</p> Signup and view all the answers

    Yeasts are multicellular microorganisms. True or False?

    <p>False</p> Signup and view all the answers

    Algae are not considered microorganisms. True or False?

    <p>False</p> Signup and view all the answers

    Fungi are not included in the various kinds of microorganisms. True or False?

    <p>False</p> Signup and view all the answers

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