Microorganisms and Biotechnology Quiz
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Questions and Answers

What are the two domains into which prokaryotes are divided?

  • Bacteria and eukarya
  • Archaea and viruses
  • Bacteria and archaea (correct)
  • Eukarya and archaea

What is the size range of most prokaryotic cells?

  • 0.1–1 µm
  • 10–100 µm
  • 5–10 µm
  • 0.5–5 µm (correct)

What are the three most common shapes of prokaryotes?

  • Triangles, pentagons, and hexagons
  • Squares, ovals, and helices
  • Cubes, cylinders, and cones
  • Spheres (cocci), rods (bacilli), and spirals (correct)

Where do prokaryotes thrive?

<p>Almost everywhere, including places too acidic, salty, cold, or hot for most other organisms (B)</p> Signup and view all the answers

What is the size comparison of prokaryotes in fertile soil to the number of people who have ever lived?

<p>More in a handful of fertile soil than the number of people who have ever lived (D)</p> Signup and view all the answers
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