Bacteria Basics Quiz
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Questions and Answers

What is the main role of bacteria in the nutrient cycle?

  • Recycling nutrients and fixing nitrogen from the atmosphere (correct)
  • Converting dissolved compounds to energy
  • Decomposing dead bodies and putrefaction
  • Providing energy to sustain life in extreme environments

    • Where can bacteria be found?

  • Hydrothermal vents and cold seeps only
  • Deep biosphere of Earth's crust only
  • Gut and skin of animals only
  • Soil, water, acidic hot springs, and radioactive waste (correct)

    • Which branch of microbiology is dedicated to the study of bacteria?

  • Virology
  • Mycology
  • Parasitology
  • Bacteriology (correct)

    • What type of relationships do bacteria have with plants and animals?

    <p>Mutualistic, commensal, and parasitic</p> Signup and view all the answers

    What is the size range of bacteria typically?

    <p>A few micrometres in length</p> Signup and view all the answers

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