Gram-Positive Bacteria: Definition & Examples


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question 1 of 3

Gram-positive bacteria stain _____ in the Gram stain test.

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1. Streptococcus bacteria appear as _____ under the microscope.

2. Which of the following gram-positive bacteria is well-known for causing miscarriages in women?

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About This Quiz & Worksheet

This quiz/worksheet set will assess your knowledge of gram-positive bacteria. Answer questions about why they are known as gram-positive and recognize examples of them.

Quiz & Worksheet Goals

Use this quiz to make sure you understand::

  • The color of gram-positive bacteria under a microscope
  • Examples of different diseases with gram-positive bacteria
  • How gram-positive bacteria will react to Gram test stains

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the material, such as a common gram-positive bacteria that can cause miscarriages in pregnant women
  • Information recall - access the knowledge you've gained regarding what Clostridium perfringens can cause
  • Knowledge application - use your knowledge to answer questions about the color of gram-positive bacteria during testing and viewing under a microscope

Additional Learning

If you would like to get a deeper understanding of this type of microorganism, read the lesson titled Gram-Positive Bacteria: Definition & Examples. You will explore new information, such as:

  • The inventor of the Gram test
  • What causes bacteria to react differently to the stain applied during this test
  • Symptoms of Streptococcus pneumoniae