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Microbiology Questions - All Grades

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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
Grade 5 Microbiology
A fungus is
  1. a single-celled organism that feeds on dead organisms.
  2. a single-celled organism that relies on living cells to reproduce.
  3. one-celled organism with no nucleus.
  4. a living thing that can be seen only with a microscope.
Grade 5 Microbiology
Yeast divide by
  1. sexual reproduction.
  2. asexual reproduction.
  3. mitosis.
  4. meiosis.
Grade 6 Microbiology
What are the special chemicals from bacteria that people use to make things such as yogurt and cheese?
  1. acids
  2. bases
  3. polypeptides
  4. enzymes
  5. polystyrene
Grade 8 Microbiology
Primary human pathogens include viruses, bacteria, and fungi.
  1. True
  2. False
Grade 5 Microbiology
An amoeba is
  1. a plant-like one-celled organism.
  2. a one-celled organism with no nucleus.
  3. an animal-like one-celled organism.
Grade 7 Microbiology
To survive viruses need a host to
  1. reproduce.
  2. live on.
  3. eat.
  4. destroy.
Grade 8 Microbiology
What do viruses require to make copies of themselves?
  1. host cell
  2. light
  3. water
  4. Xerox machine
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 6 Microbiology
Yogurt and the human intestine both contain useful bacteria.
  1. True
  2. False
Grade 7 Microbiology
Bacteria that grow well in the absence of oxygen are
  1. oxygen-fixing bacteria.
  2. anaerobic bacteria.
  3. aerobic bacteria.
  4. none of the above
Grade 7 Microbiology

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

Bacteria can reproduce quickly.
  1. True
  2. False
Grade 5 Microbiology
What are disease-causing agents?
  1. infectious diseases
  2. microorganisms
  3. pathogens
  4. vaccines
Grade 6 Microbiology
Microorganisms cannot be multicellular.
  1. True
  2. False
Grade 5 Microbiology
Algae are
  1. animal-like one-celled organisms.
  2. plant-like one-celled organisms.
  3. one-celled organisms with no nucleus.
Grade 6 Microbiology
Bread mold is not a fungus.
  1. True
  2. False
Grade 11 Microbiology
Which disease is NOT caused by a virus?
  1. common cold
  2. hepatitis
  3. AIDS
  4. tuberculosis
Grade 6 Microbiology
                is a form of asexual reproduction used by some organisms, such as yeast. A small growth forms on the parent cell. Then the nucleus in the parent cell divides in two. The growth breaks off and lives as a new, separate organism.
  1. Binary fission
  2. Conjugation
  3. Budding
Grade 6 Microbiology
Which is true of bacteria?
  1. They have many cells.
  2. They have a nucleus.
  3. They are eukaryotes.
  4. They are single-celled.
Grade 10 Microbiology
What process do bacteria generally use for reproduction?
  1. meiosis
  2. mitosis
  3. binary fission
  4. conjugation
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