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Microbiology Questions - All Grades

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Grade 7 Microbiology
Structures too small to be easily seen with the naked eye are
  1. heteroscopic.
  2. microscopic.
  3. macroscopic.
  4. endoscopic.
Grade 6 Microbiology
Tiny living things, some of which cause communicable diseases, are
  1. bacteria.
  2. arthritis.
  3. cancer.
Grade 7 Microbiology
Which statement about bacteria is not true?
  1. Bacteria can be either autotrophic or heterotrophic.
  2. Bacteria are prokaryotes.
  3. Bacteria have a cell nucleus.
  4. Bacteria do not have nucleic acids.
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
Where do fungi live?
  1. on your hands
  2. in warm, damp places
  3. in cold, dry places
Grade 7 Microbiology
What type of a cell is shown in this unicellular organism?
Bacteria Cell Anatomy
  1. plant
  2. animal
  3. eukaryotic
  4. prokaryotic
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
Which organisms are one-celled organisms?
  1. animals
  2. bacteria
  3. humans
  4. trees
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 11 Microbiology
These microorganisms cause diseases such as AIDS, herpes, warts, flu, and chicken pox.
  1. bacteria
  2. fungi
  3. protozoa
  4. viruses
Grade 10 Microbiology
Viruses are living.
  1. True
  2. False
Grade 7 Microbiology
Bacteria are what type of organism?
  1. unicellular
  2. multicellular
Grade 6 Microbiology
An organism that is microscopic is a
  1. microorganism.
  2. superorganism.
  3. miniorganism.
Grade 10 Microbiology
Which pathogen causes the common cold?
  1. bacterium
  2. virus
  3. protozoan
  4. yeast
Grade 9 Microbiology
How do viruses reproduce?
  1. sexual reproduction
  2. asexual reproduction
  3. using a host cell's reproductive system
  4. They are not living things, so they do not reproduce.
Grade 6 Microbiology
Organisms that are single-celled are
  1. lonely cells.
  2. unicellular.
  3. multicellular.
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 infected by the virus
  3. on the outer wall of the virus
  4. inside the virus
Grade 10 Microbiology
What kind of genetic material is found in different types of viruses?
  1. DNA only
  2. RNA only
  3. DNA and RNA
  4. nucleosomes
Grade 7 Microbiology
To what kingdom does pneumonia belong?
  1. Archaea
  2. Fungi
  3. Plantae
  4. Bacteria
  5. Animalia
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