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Tenth Grade (Grade 10) Microbiology Questions

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Grade 10 Microbiology
The first to demonstrate that a microorganism was the causative agent of an infectious disease was                    .
  1. Lord Joseph Lister
  2. Robert Koch
  3. Lazzaro Spallanzani
  4. Francesco Redi
Grade 10 Microbiology
Which of these is required for a bacteriophage to infect a bacterial cell?
  1. There needs to be a tolerable temperature in the environment.
  2. The bacterial cell needs to have the proper receptor proteins on its surface.
  3. The bacteriophage needs to have been created within the previous 24 hours.
  4. There needs to be adequate energy stored within the bacteriophage for it to inject its genetic material.
Grade 10 Microbiology
Bacteriophages are
  1. tiny bacteria.
  2. enzymes.
  3. coils of RNA.
  4. viruses.
Grade 10 Microbiology
The structure around a virus is the
  1. membrane.
  2. wall.
  3. capsid.
Grade 10 Microbiology
You see a colony of staphylobacillus bacteria. What shape does each bacterium have?
  1. square
  2. rod-shaped
  3. spherical
  4. helical
Grade 10 Microbiology
Which type of bacteria are commonly found within the stomachs of cattle?
  1. extreme halophiles
  2. extreme acidophiles
  3. methanogens
  4. facultative aerobes
Grade 10 Microbiology

This question is a part of a group with common instructions. View group »

Which structure of the virus is used to attach to the bacterial membrane?
Common Virus
  1. 1
  2. 2
  3. 4
  4. 5
Grade 10 Microbiology
Where do the organisms in the domain Archaea live?
  1. only in volcanoes
  2. grassy knolls
  3. harsh environments
  4. the rainforest
Grade 10 Microbiology
Organisms classified as halophiles "love"
  1. acid.
  2. cold.
  3. heat.
  4. salt.
Grade 10 Microbiology

This question is a part of a group with common instructions. View group »

Which structure of the virus contains the genetic material?
  1. collar
  2. head
  3. sheath
  4. base plate
Grade 10 Microbiology
What miracle drug was discovered by Alexander Fleming in 1928?
  1. paramecium
  2. protozoa
  3. protoplasm
  4. penicillin
Grade 10 Microbiology
Which group of microorganisms are thought to be the oldest living organisms?
  1. eukaryotes
  2. heterotrophic prokaryotes
  3. viruses
  4. autotrophic prokaryotes
Grade 10 Microbiology
How is sexual reproduction possible in a bacterium?
  1. DNA is transferred from one organism to another.
  2. Each bacterium can split itself in half.
  3. Bacteria have reproductive organs similar to those of mammals.
  4. Egg cells from one bacterium are released into the air to be fertilized by sperm.
Grade 10 Microbiology
Bacteria that are shaped like globes, or spheres, are called
  1. circular.
  2. spirillum.
  3. rods.
  4. coccus.
Grade 10 Microbiology
Bacteria may survive unfavorable conditions by
  1. forming flagella.
  2. forming pili.
  3. splitting in half.
  4. forming endospores.
Grade 10 Microbiology
Viruses are not alive because they                                                    . (Select all that apply.)
  1. rely on cells to carry out many of their functions.
  2. cannot reproduce on their own.
  3. cannot move.
Grade 10 Microbiology
Which viral reproductive cycle causes the release of viruses to the environment after the attacked cell reads the viral genetic material, makes copies of the viral genes, builds capsids, and assembles new viruses?
  1. lysogenic
  2. lytic
  3. lysosome
Grade 10 Microbiology
An antibiotic interferes with the ability of the ribosomes to move and translate. What effect would exposure to this chemical have on a bacterial cell?
  1. Protein synthesis will not be affected.
  2. The protein synthesized will be shorter than normal.
  3. The protein synthesized will be longer than normal.
  4. No proteins will be produced.
Grade 10 Microbiology
What is the enzyme that allows viral genetic material to incorporate itself with the host's genetic material?
  1. DNA polymerase
  2. integrase
  3. cellulase
  4. RNA transcriptase
Grade 10 Microbiology
To survive, bacteria need moisture, oxygen, and
  1. surface dirt.
  2. fire.
  3. warm temperature.
  4. cool temperature.
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