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Sixth Grade (Grade 6) Microbiology Questions

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Grade 6 Microbiology
Tiny living things, some of which cause communicable diseases:
  1. bacteria
  2. arthritis
  3. cancer
Grade 6 Microbiology
Which organisms are one-celled organisms?
  1. animals
  2. bacteria
  3. humans
  4. trees
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
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 6 Microbiology
Bacteria are the smallest cells of all.
  1. True
  2. False
Grade 6 Microbiology
Yogurt and your intestines contain useful bacteria.
  1. True
  2. False
Grade 6 Microbiology
All bacteria are bad for humans.
  1. True
  2. False
Grade 6 Microbiology
Viruses multiply by                               .
  1. conjugation
  2. binary fission
  3. taking over a cell's functions
  4. both asexually and sexually
Grade 6 Microbiology
Microorganisms are visible with the naked eye.
  1. True
  2. False
Grade 6 Microbiology
A microorganism is a small, living thing made up of many cells.
  1. True
  2. False
Grade 6 Microbiology
Most archaebacteria live in extreme environments.
  1. True
  2. False
Grade 6 Microbiology
Microorganisms are either producers or consumers.
  1. True
  2. False
Grade 6 Microbiology
Protozoa live only in lakes and forests.
  1. True
  2. False
Grade 6 Microbiology
Bacteria can be both helpful and harmful to humans.
  1. True
  2. False
Grade 6 Microbiology
Bacteriophages are viruses that attack and destroy                .
  1. other viruses
  2. bacteria
  3. plants
  4. humans
Grade 6 Microbiology
Scientists did not know about protozoa before microscopes were invented.
  1. True
  2. False
Grade 6 Microbiology
Choose all answers that are true for the following sentence: Protozoa are                              .
  1. tiny creatures
  2. like dinosaurs
  3. like both plants and animals
  4. usually made of only one cell
Grade 6 Microbiology
All of the following are ways that bacteria are helpful to humans and nature except
  1. They can produce oxygen
  2. They help make certain foods like yogurt and cheese
  3. They break down chemicals in dead organisms
  4. They help clean up oil spills
  5. They cause food to spoil
  6. They help people digest food
Grade 6 Microbiology
Which is not true of members of the domain Archaea?
  1. They are single celled organisms
  2. They can survive in extreme environments
  3. They are prokaryotes
  4. Some can make their own food but others cannot
  5. They have the same chemical makeup as bacteria
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