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Microbiology Questions - All Grades

You can create printable tests and worksheets from these Microbiology questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Grade 3 Microbiology
Germs are
  1. a yummy snack
  2. organisms that are so small they can only be seen by a microscope
  3. bugs
  4. a vegetable
Grade 7 Microbiology
Grade 8 Microbiology
Which is SMALLEST of these four?
  1. bacterium
  2. red blood cell
  3. virus
  4. lymphocyte
Grade 9 Microbiology
Grade 8 Microbiology
Grade 6 Microbiology
Grade 6 Microbiology
Where do fungi live?
  1. on your hands
  2. warm, damp places
  3. on wood
Grade 6 Microbiology
Which is NOT a reason some microorganisms are considered producers?
  1. They have stems, roots, and leaves.
  2. They use solar energy to make food.
  3. They go through photosynthesis.
  4. They give off oxygen.
Grade 6 Microbiology
Which organisms are one-celled organisms?
  1. animals
  2. bacteria
  3. humans
  4. trees
Grade 6 Microbiology
Grade 7 Microbiology
Most single-celled organisms
  1. grow as the cell gets larger.
  2. reproduce asexually.
  3. do not have cells that perform specific functions.
  4. All of the above
Grade 9 Microbiology
Grade 6 Microbiology
Where are copies of a virus made?
  1. Inside a cell that is free of the virus
  2. Inside a cell that the virus infects
  3. On the outer wall of the virus
  4. Inside the virus
Grade 7 Microbiology
Grade 9 Microbiology
Bacteria convert nitrogen gas into ammonia using a process called                       .
  1. Dentrification
  2. Nitrogen fixation
  3. Biogeochemical cycle
  4. Interlocking Nutrients
Grade 5 Microbiology
Which one of the following is true about beneficial bacteria?
  1. They are in your stomach to help digest food.
  2. They help produce cheese.
  3. They turn milk into yogurt.
  4. All of the above
Grade 7 Microbiology
Bacteria that grow well in the absence of oxygen are called                       .
  1. oxygen-fixing bacteria
  2. anaerobic bacteria
  3. aerobic bacteria
  4. none of these
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