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Microbiology Questions - All Grades

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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
Structures too small to be easily seen with the naked eye are                .
  1. heteroscopic
  2. microscopic
  3. macroscopic
  4. endoscopic
Grade 8 Microbiology
Which is SMALLEST of these four?
  1. bacterium
  2. red blood cell
  3. virus
  4. lymphocyte
Grade 9 Microbiology
Which of the following terms correctly describes unicellular organisms, like bacteria?
  1. DNA
  2. Eukaryote
  3. Prokaryote
  4. Lysosome
Grade 8 Microbiology
Unicellular organisms contain many cells.
  1. True
  2. False
Grade 9 Microbiology
What is a nonliving strand of genetic material that has a protein coat?
  1. A eukaryote
  2. A virus
  3. Prokaryotes
  4. Archeae
Grade 6 Microbiology
Tiny living things, some of which cause communicable diseases:
  1. bacteria
  2. arthritis
  3. cancer
Grade 6 Microbiology
Where do fungi live?
  1. on your hands
  2. warm, damp places
  3. on wood
Grade 9 Microbiology
What is the suffix, or ending of the name, for the family name of a virus?
  1. -virales
  2. -virus
  3. -viridae
  4. -virinae
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 6 Microbiology
Which organisms are one-celled organisms?
  1. animals
  2. bacteria
  3. humans
  4. trees
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 5 Microbiology
This man witnessed a lot of soldiers dying during World War One from wound infection. He went on to discover agents to help alleviate (get rid of) this problem. He is credited for the discovery of one drug that modernized medical science.
  1. Sir Alexander Fleming
  2. Sir Isaac Newton
  3. Michael Faraday
  4. James Walker
Grade 6 Microbiology
Bacteria are the smallest cells of all.
  1. True
  2. False
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
What type of cell contains genetic material the is not surrounded by a membrane?
  1. fungi
  2. plant
  3. prokaryotic
  4. eukaryotic
Grade 9 Microbiology
A new kingdom was discovered when                 were viewed under a microscope.
  1. plants
  2. fungi
  3. microorganisms
  4. cells
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
Grade 7 Microbiology
What kingdom does pneumonia belong?
  1. archaea
  2. fungi
  3. plantea
  4. bacteria
  5. animalia
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
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