MICROBIOLOGY MIDTERM QUESTIONS
WITH DETAILED VERIFIED ANSWERS
Whittaker Ans: Which of the following created the Five Kingdom
classification of living organisms?
Woese Ans: Which of the following scientists based his classification of
organisms on genetic relationships?
Eukaryotes Ans: Humans and other animal species are included in which
classification?
Viruses Ans: Prions would be most closely related to member of which of
the following classifications?
Species Ans: According to the rules of taxonomy, which of the following
group names is not capitalized?
Genus Ans: Which of the nomenclature headings must be written in full
and capitalized the first time it appears in text and then can be
abbreviated in subsequent text?
Viruses Ans: Phytophaginae and zoophaginae are classifications of:
Bacteria Ans: Phaginae infect which of the following?
Orders Ans: Caudovirales, Nidovirales, and Mononegavirales are the
three recognized viral:
Seven Ans: How many groups of viruses are described in the Baltimore
classification system?
Plague Ans: Which of the following is the standard system of
measurement utilized in the microbiology laboratory?
Magnification lenses Ans: The objectives are included in what part of the
compound light microscope?
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Electron Beam Ans: Transmission and scanning microscopes utilize
which of the following to allow for viewing of extremely small microbes?
Fluorescent dye Ans: Auramine O is a/an ____________ ___________
used to visualize Mycobacterium tuberculosis cells which appear bright
yellow against a dark background.
Increases the affinity of a dye to a cell structure. Ans: Which of the
following describes the function of a mordant?
Spore Ans: Malachite green is a type of stain used primarily to identify
bacteria which are able to form a protective barrier against harsh
environmental conditions and is called a/an:
Fastidious Ans: Bacteria with complex nutritional requirements are
considered to be:
Anaerobic Ans: Reducing media are used specifically for which of the
following classes of microbes?
Antisera Ans: Slide agglutination and enzyme-linked immunosorbant
assay (ELISA) tests utilize which of the following for laboratory
identification of unknown pathogens?
Phage typing Ans: Which of the following specialized laboratory analyses
is used to identify a specific source of healthcare-associated infection by
use of bacterial viruses?
Archaea Ans: Which of the following classes of organisms was
discovered in the 1970s but may represent the ancient ancestors of
microbial life on earth and have unique designs?
Pair of round-shaped cells Ans: Organisms with a diplococci morphology
would appear as:
Spirochete Ans: What is the morphology of Treponema pallidum, which
causes syphilis and is difficult to see under a microscope?
Blue or purple Ans: What color do Gram-positive bacteria appear
following completion of the staining process?