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Bacteria Quizzes, Questions & Answers

Quick – take your best guess of how many bacteria are living in your gut right now. Did you say a thousand? A million? Or more? If you guessed a hundred trillion or so, you’re right on! If you never realized how much space you’re sharing with these creepy creatures, you should take our bacteria quiz and learn more. Read More

Top Trending Bacteria Quizzes


Bacteria are single-celled, microscopic organisms found everywhere. Do you know about the anatomy of bacteria cell? Take this informative quiz on bacteria cell structure to learn more about it. Do you know there is a virus that...

Questions: 10  |  Attempts: 18243   |  Last updated: Oct 4, 2024
  • Sample Question
    Which bacteria cell part goes in the box labelled a? 
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A quiz on types of bacteria! There are different types of bacteria around us and within us, but not all of them are bad as they play a specific function in the environment. Bacteria exist in millions and can’t be seen by...

Questions: 13  |  Attempts: 1555   |  Last updated: Mar 21, 2023
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    Members of this Kingdom live almost everywhere and have peptidoglycan in their cell walls.
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Explore the intriguing world of microorganisms in the 'Biology Viruses and Bacteria' quiz. Understand the characteristics of viruses like the common cold, their omnipresence, and structural components such as the protein coat....

Questions: 13  |  Attempts: 8584   |  Last updated: Jan 8, 2025
  • Sample Question
    What are examples of Viruses?
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This quiz on 'Bacterial Identification' assesses knowledge of gram-positive cocci, intracellular infections, hemolysis types, and specific pathogens like S. pyogenes. It's crucial for understanding bacterial characteristics and...

Questions: 15  |  Attempts: 3911   |  Last updated: May 19, 2025
  • Sample Question
    Examples of gram positive cocci:
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Explore the fascinating world of bacteria in this trivia quiz! Covering topics from bacterial shapes and reproduction methods to their diverse energy sources and pathogenic roles, this quiz enhances your understanding of...

Questions: 12  |  Attempts: 795   |  Last updated: Mar 20, 2023
  • Sample Question
    Select ALL choices that accurately describe bacteria.
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