How are Bacteria Classified?


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question 1 of 3

Bacteria that are Gram-positive turn what color during a Gram test?

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1. Bacteria that are Gram-negative turn what color during a Gram test?

2. The definition of classification is _____?

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About This Quiz & Worksheet

Despite being so small, there are ways scientists can classify bacteria. Use this quiz/worksheet combo to test your understanding of how bacteria is classified. The questions will also quiz you on characteristics of bacteria.

Quiz & Worksheet Goals

This quiz and worksheet will test you on the following:

  • Definition of classification
  • Anaerobic bacteria
  • The Gram test

Skills Practiced

This quiz and worksheet will allow students to test their knowledge by using the following skills:

  • Defining key concepts - ensure that you can accurately define main phrases such as classification
  • Information recall - access the knowledge you've gained regarding anaerobic bacteria
  • Knowledge application - use your knowledge to answer questions about Gram-positive and Gram-negative bacteria

Additional Learning

To learn more about bacteria classification, review the accompanying lesson, How are Bacteria Classified? The lesson covers the following objectives:

  • Define aerobic and anaerobic bacteria and give examples
  • Identify bacterial shapes
  • Learn about the scientist who discovered the first step in bacteria classification