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FOOD MICROBIOLOGY MCQs

Total Questions : 45 | Page 3 of 5 pages
Question 21. Which is the best description of the primary purpose of a phylogeny?
  1.    Phylogenies show all the alterative names for each species.
  2.    . Phylogenies show all the common names for each species.
  3.    Phylogenies show evolutionary relatedness between organisms.
  4.    Phylogenies show interactions between species in a shared habitat.
 Discuss Question
Answer: Option C. -> Phylogenies show evolutionary relatedness between organisms.
Question 22. In 1918, an outbreak of influenza infected 500,000 people all over the world
  1.    Both outbreaks were pandemics.
  2.    Both outbreaks were epidemics.
  3.    The influenza outbreak was a pandemic. The plague outbreak was an epidemic.
  4.    The influenza outbreak was an epidemic. The plague outbreak was a pandemic.
 Discuss Question
Answer: Option C. -> The influenza outbreak was a pandemic. The plague outbreak was an epidemic.
Question 23. Which characteristic do all microbes share?
  1.    They are all microscopic in size
  2.    They all need oxygen to survive
  3.    They all exist in similar conditions
 Discuss Question
Answer: Option A. -> They are all microscopic in size
Question 24. Which best describes the size of a virus compared to the size of bacteria?
  1.    Bacteria are small, while viruses are larger.
  2.    Bacteria are large, while viruses are larger.
  3.    Bacteria are small, while viruses are smaller.
  4.    All of above
 Discuss Question
Answer: Option C. -> Bacteria are small, while viruses are smaller.
Question 25. Which best explains why a contagious disease is likely to become an epidemic?
  1.    failure to follow safety rules when handling bacteria
  2.    lack of understanding as to how the disease is spread
  3.    creation of supergerms due to the overuse of antibiotics
  4.    All of above
 Discuss Question
Answer: Option B. -> lack of understanding as to how the disease is spread
Question 26. Which statement correctly describes a way that bacteria are used in biotechnology?
  1.    Bacteria make human cells that make insulin.
  2.    Human insulin made by bacteria is injected into humans.
  3.    Bacteria that make insulin are implanted in humans
  4.    Human insulin coding bacterial genes are spliced into human cells.
 Discuss Question
Answer: Option B. -> Human insulin made by bacteria is injected into humans.
Question 27. Which is a career that would use microorganisms to remove pollutants from water?
  1.    medical specialist
  2.    DNA fingerprint specialist
  3.    Environmental Protection Agency specialist
  4.    None of these
 Discuss Question
Answer: Option C. -> Environmental Protection Agency specialist
Question 28. Which individual first observed unicellular organisms, which he called “animalcules,” using a microscope he developed?
  1.    Robert Koch
  2.    Louis Pasteur
  3.    Thucydides
  4.    Antonie van Leeuwenhoek
 Discuss Question
Answer: Option D. -> Antonie van Leeuwenhoek
Question 29. Found in the nucleus of all living cells; carries the organism's hereditary information
  1.    DNA
  2.    cell
  3.    embryo
  4.    cloning
 Discuss Question
Answer: Option A. -> DNA
Question 30. The practice of farming
  1.    selective breeding
  2.    agriculture
  3.    bioremediation
  4.    cloning
 Discuss Question
Answer: Option B. -> agriculture

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