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Ninth Grade (Grade 9) Microbiology Questions

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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 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 9 Microbiology
A new kingdom was discovered when                 were viewed under a microscope.
  1. plants
  2. fungi
  3. microorganisms
  4. cells
Grade 9 Microbiology
Viruses are minute bits of cell which attack and take over a cell and reproduce inside it. Viruses are much smaller than even a bacterium, they are between 20 and 400 thousandth of a millimeter across. Viruses cannot survive on their own, they are not cells, just a bundle of 'instructions'.
  1. True
  2. False
Grade 9 Microbiology
Where do bacteria live?
  1. In volcanoes
  2. In salty water
  3. Almost anywhere
  4. Anywhere
Grade 9 Microbiology
How do viruses reproduce?
  1. asexual reproduction
  2. sexual reproduction
  3. using a host cell's reproductive system
  4. they are not living things so they don't reproduce
Grade 9 Microbiology
How do viruses reproduce?
  1. They divide by mitosis
  2. They do so sexually, by external fertilization
  3. They replicate outside of the host
  4. They insert their DNA into the host cell
Grade 9 Microbiology
Streptomycin and Penicillin are helpful microorganisms.
  1. True
  2. False
Grade 9 Microbiology
E. Coli and Salmonella are not harmful microorganisms.
  1. True
  2. False
Grade 9 Microbiology
What uses conjugation to share genetic material?
  1. viruses
  2. archeae
  3. starfish
  4. bacteria
Grade 9 Microbiology
Bacteria reproduce through                .
  1. replication
  2. mitosis
  3. binary fission
  4. conjugation
Grade 9 Microbiology
Organisms in the kingdom Eubacteria are unicellular.
  1. True
  2. False
Grade 9 Microbiology
What is a capsid made from?
  1. protein
  2. glucose
  3. peptidoglycan
  4. adenosine triphosphate
Grade 9 Microbiology
Once inside a cell, the virus instructs the cell to produce more viruses and when the cell is full of new viruses it bursts open and dies.
  1. True
  2. False
Grade 9 Microbiology
Spherical shaped bacteria are called                .
  1. cocci
  2. bacilli
  3. spirilla
  4. spirochete
Grade 9 Microbiology
These are viruses that specialize in the infection of bacteria.
  1. bacteriophages
  2. bacterioviruses
  3. virophages
  4. retroviruses
Grade 9 Microbiology
Both active viruses and hidden viruses can take over the cell's functions using its genetic material.
  1. True
  2. False
Grade 9 Microbiology
The protein coat of a virus contains the genetic material that allows it to make new viruses.
  1. True
  2. False
Grade 9 Microbiology
A host is an organism that supplies energy to a virus or other organism.
  1. True
  2. False
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