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Microbiology Questions - All Grades

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Grade 8 Microbiology
Which disease is caused by a virus?
  1. skin cancer
  2. influenza
  3. type 1 diabetes
  4. ringworm
Grade 7 Microbiology
Bacteria are what type of organism?
  1. unicellular
  2. multicellular
Grade 5 Microbiology
Something so small you cannot see it with the eye is
  1. ingestion.
  2. macroscopic.
  3. mammalian.
  4. microscopic.
Grade 5 Microbiology
An organism that is made up of only one cell is
  1. ingestion.
  2. multicellular.
  3. single-celled.
  4. macroscopic.
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 7 Microbiology
Conjugation is a form of                     .
  1. respiration
  2. producing energy
  3. sexual reproduction
  4. asexual reproduction
Grade 9 Microbiology
Prokaryotic cells reproduce by means of
  1. synthesis.
  2. mitosis.
  3. binary fission.
  4. telophase.
Grade 5 Microbiology
What 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
Grade 6 Microbiology
Organisms that are single-celled are
  1. lonely cells.
  2. unicellular.
  3. multicellular.
Grade 7 Microbiology
An example of                   is a cell taking in a bacterium or virus.
  1. active transport
  2. passive transport
  3. endocytosis
  4. diffusion
Grade 9 Microbiology
A unicellular organism has many cells.
  1. True
  2. False
Grade 10 Microbiology
Which pathogen causes the common cold?
  1. bacterium
  2. virus
  3. protozoan
  4. yeast
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 7 Microbiology
How does a virus multiply?
  1. sexual reproduction
  2. asexual reproduction
  3. copied inside host cell
  4. They don't multiply.
Grade 8 Microbiology
What is the organization of bacteria?
  1. multicellular
  2. single-celled
Grade 5 Microbiology
A                 organism has only one cell that controls all necessary functions for survival.
  1. single-celled
  2. multi-celled
Grade 5 Microbiology
Organisms classified in the                 kingdom are unicellular organisms that have no nucleus. Certain types can cause disease and infection, but others aid in the digestion of food.
  1. protist
  2. animal
  3. plant
  4. bacteria
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 8 Microbiology
Unlike simple organisms such as yeast and bacteria,                 organisms are more complex and and contain many cells.
  1. mitochondria
  2. multicellular
  3. unicellular
  4. prokaryotic
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
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