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Microbiology Questions - All Grades

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Grade 8 Microbiology
Which of the following is considered to be smallest in size?
  1. bacterium
  2. red blood cell
  3. virus
  4. lymphocyte
Grade 4 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 9 Microbiology
              Penicillium              is the mold that makes a powerful bacteria-killing antibiotic.
Grade 8 Microbiology
Primary human pathogens include viruses, bacteria, and fungi.
  1. True
  2. False
Grade 7 Microbiology
Structures too small to be easily seen with the naked eye are                .
  1. heteroscopic
  2. microscopic
  3. macroscopic
  4. endoscopic
Grade 9 Microbiology
Prokaryotic cells reproduce by means of
  1. synthesis
  2. mitosis
  3. binary fission
  4. telophase
Grade 5 Microbiology
"Microscopic" means it is very                  small                   and you need a microscope to see it.
Grade 9 Microbiology
Unicellular prokaryotes are found in extreme environments, and their cell walls do not contain peptidoglycans. Which of the following domains is described here?
  1. Bacteria
  2. Archaea
  3. Eukarya
  4. Protista
Grade 8 Microbiology
Bacteria are       one      - celled organisms that are found nearly everywhere.
Grade 9 Microbiology
Which of the following describes one way that bacteria can be harmful?
  1. Bacteria recycles nutrients.
  2. Bacteria makes food.
  3. Bacteria causes disease.
  4. Bacteria does not spoil food.
Grade 9 Microbiology
Which term is used to describe a type of spiral-shaped bacteria?
  1. Cylinder
  2. Coccus
  3. Spirillum
  4. Bacillus
Grade 8 Microbiology
Unicellular organisms contain many cells.
  1. True
  2. False
Grade 6 Microbiology
Tiny living things, some of which cause communicable diseases:
  1. bacteria
  2. arthritis
  3. cancer
Grade 9 Microbiology
Which of the following terms correctly describes unicellular organisms, like bacteria?
  1. DNA
  2. Eukaryote
  3. Prokaryote
  4. Lysosome
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
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 9 Microbiology
What are the names of the three kinds of fungi?
  1. Sac, Club, Mildew
  2. Slime Mold, Water Mold, Mildew
  3. Sac, Club, Imperfect
  4. Water Mold, Sac, Mildew
Grade 9 Microbiology
Why are RNA viruses harder to cure than DNA viruses are?
  1. They infect a lot of cells rapidly and can constantly reproduce.
  2. They constantly mutate and become immune to vaccines.
  3. They are just as hard to cure as DNA viruses are.
  4. They can reproduce indefinitely and multiply in number very quickly.
Grade 9 Microbiology
Unicellular prokaryotes that have cell walls with peptidoglycans are called                .
  1. Protists
  2. Archae
  3. Bacteria
  4. Eukarya
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