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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, are
  1. bacteria.
  2. arthritis.
  3. cancer.
Grade 6 Microbiology
Bacteria come in three shapes: rod-shaped, ball-shaped, or corkscrew-shaped.
  1. True
  2. False
Grade 6 Microbiology
Where do fungi live?
  1. on your hands
  2. in warm, damp places
  3. in cold, dry places
Grade 6 Microbiology
Which description is not a characteristic of bacteria?
  1. single-celled organism
  2. cells without a nucleus
  3. cells containing chlorophyll
  4. found almost anywhere on Earth
Grade 6 Microbiology
Which organisms are one-celled organisms?
  1. animals
  2. bacteria
  3. humans
  4. trees
Grade 6 Microbiology
How do bacteria reproduce?
  1. budding (growing out of the parent cell)
  2. binary fission (splitting or dividing into two)
  3. cloning
Grade 6 Microbiology
What do most bacteria feed on?
  1. dead or living plants and animals, or they make their own food with sunlight or chemicals
  2. dirt and rocks
  3. animal waste and soil
  4. air and water
Grade 6 Microbiology
An organism that is microscopic is a
  1. microorganism.
  2. superorganism.
  3. miniorganism.
Grade 6 Microbiology
Most archaebacteria live in extreme environments.
  1. True
  2. False
Grade 6 Microbiology
Organisms that are single-celled are
  1. lonely cells.
  2. unicellular.
  3. multicellular.
Grade 6 Microbiology
Where are copies of a virus made?
  1. inside a cell that is free of the virus
  2. inside a cell infected by the virus
  3. on the outer wall of the virus
  4. inside the virus
Grade 6 Microbiology
A microorganism is a small, living thing made up of many cells.
  1. True
  2. False
Grade 6 Microbiology
Viruses multiply by
  1. conjugation.
  2. binary fission.
  3. taking over a cell's functions.
  4. both asexual and sexual methods.
Grade 6 Microbiology
What are the special chemicals from bacteria that people use to make things such as yogurt and cheese?
  1. acids
  2. bases
  3. polypeptides
  4. enzymes
  5. polystyrene
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
Yogurt and the human intestine both contain useful bacteria.
  1. True
  2. False
Grade 6 Microbiology
Microorganisms cannot be multicellular.
  1. True
  2. False
Grade 6 Microbiology
Which is true of bacteria?
  1. They have many cells.
  2. They have a nucleus.
  3. They are eukaryotes.
  4. They are single-celled.
Grade 6 Microbiology
Bread mold is not a fungus.
  1. True
  2. False
Grade 6 Microbiology
                is a form of asexual reproduction used by some organisms, such as yeast. A small growth forms on the parent cell. Then the nucleus in the parent cell divides in two. The growth breaks off and lives as a new, separate organism.
  1. Binary fission
  2. Conjugation
  3. Budding
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