WorksheetsMicrobiology Final Exam Review
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
Which of the following foods is NOT made by fermentation?
a)
beer
b)
bread
c)
cheese
d)
orange juice
2.
Who is considered the father of Western medicine?
a)
Marcus Terentius Varro
b)
Thucydides
c)
Antonie van Leeuwenhoek
d)
Hippocrates
3.
Who was the first to observe "animalcules" under the microscope?
a)
Antonie van Leeuwenhoek
b)
Otzi the Iceman
c)
Marcus Terentius Varro
d)
Robert Koch
4.
Who proposed that swamps might harbor tiny, disease-causing animals too small to see?
a)
Thucydides
b)
Marcus Terentius Varro
c)
Hippocrates
d)
Louis Pasteur
5.
Which of the following was NOT a kingdom in Linnaeus's taxonomy?
a)
animal
b)
mineral
c)
protist
d)
plant
6.
Which of the following is a correct usage of binomial nomenclature?
a)
Homo Sapiens
b)
homo sapiens
c)
.
d)
sapiens homo
7.
Which scientist proposed adding a kingdom for protists?
a)
Ernst Haeckel
b)
Carolus Linnaeus
c)
Carl Woese
d)
Robert Whittaker
8.
Which of the following is NOT a domain in Woese and Fox's phylogentic tree?
a)
Plantae
b)
Bacteria
c)
Archaea
d)
Eukarya
9.
Which of the following is the standard resource for identifying bacteria?
a)
Systema Naturae
b)
Bergey's Manual of Determinative Bacteriology
c)
Woeses and Fox's phylogenetic tree
d)
Haeckel's General Morphology of Organisms
10.
Which of the following types of microorganisms is photosynthetic?
a)
yeast
b)
virus
c)
helminth
d)
alga
11.
Which of the following is a prokaryotic microorganism?
a)
helmith
b)
protozoan
c)
cyanobacterium
d)
mold
12.
Which of the following is a type of fungal microorganism?
a)
bacterium
b)
protozoan
c)
alga
d)
yeast
13.
Which of the following is not a subfield of microbiology?
a)
bacteriology
b)
botony
c)
clinical microbiology
d)
Virology
14.
Which of the following is acellular?
a)
virus
b)
bacterium
c)
fungus
d)
protozoan
15.
Which of the following is true of the microbial world?
a)
All microbes are harmful
b)
Humans could survive without microbes
c)
many microbes are helpful
d)
most microbes are pathogenic
16.
Which term is used to refer to a wave's rate of vibration?
a)
amplitude
b)
frequency
c)
trough
d)
wavelength
17.
Dyes are often used during microscopy to increase which of the following?
a)
contrast
b)
magnification
c)
motility
d)
resolution
18.
Which of the following was the first to use the term "cells" ?
a)
Robert Hooke
b)
Robert Koch
c)
Carolus Linnaeus
d)
Antonie van Leeuwenhoek
19.
Which of the following is the typical magnification of an object viewed using a 10x ocular lens and a 100x objective lens on a bright field microscope?
a)
1x
b)
10x
c)
100x
d)
1000x
20.
An annular stop is used for which type of microscopy?
a)
phase-contrast microscope
b)
confocal microscope
c)
darkfield microscope
d)
fluorescence
21.
Which of the following is the specific name for a stain that colors the background but not the specimen?
a)
counterstain
b)
mordant
c)
negative stain
d)
positive stain
22.
Which of the following described the difference between gram-positive and gram-negative cells that causes them to stain differently after Gram staining?
a)
Gram-positive cells have a mycolic acid layer in their cell walls that holds in stain, whereas gram-negative cells lack this layer
b)
Gram-positive cells have capsules and gram-negative cells have S layers
c)
Gram-positive cells have thicker cell membranes than gram-negative cells
d)
Gram-positive cells have thicker peptidoglycan layers in their cell walls than do gram-negative cells
23.
Which of the following would potentially cause a gram-positive cell to appear gram-negative after Gram staining?
a)
counterstaining with crystal violet instead of safranin
b)
exposing the cells to ethanol for too long
c)
using older bacterial cultures
d)
using safranin as the primary stain
24.
Which type of microscopy would work best for viewing internal cell structures?
a)
atomic force microscopy
b)
scanning electron microscopy
c)
scanning tunneling microscopy
d)
transmission electron microscopy
25.
The Gram-Staining procedure is best described as which of the following?
a)
complex staining
b)
differential staining
c)
negative staining
d)
simple staining
26.
Gram staining is useful for bacterial identification. Which of the following is another way it is most useful?
a)
knowing Gram staining results allows a researcher to know which organisms a bacterium can infect
b)
knowing Gram staining results is helpful in choosing an effective antibiotic
c)
knowing Gram staining results is helpful in understanding a bacterium's metabolic requirement
d)
none of the above
27.
The study of viruses is called
a)
virology
b)
bacteriology
c)
virus pathology
d)
biology
28.
What is the closest definition for sterile?
a)
contaminated
b)
the absence of life
c)
well designed
d)
extremely messy
29.
What statement is true?
a)
Fleming was an French scientist
b)
Penicillin was used in WWI for the first time
c)
Antibiotics are not useful medicines any more
d)
Penicillin is produced by a mold
30.
Fleming discovered penicillin mainly because
a)
he was a messy scientist
b)
he was lucky
c)
he made an observation
d)
he worked hard
31.
What are zones of inhibition on a petri dish?
a)
areas where molds are unable to grow
b)
areas where there is no antibiotics
c)
areas where there are antibiotics
d)
areas where bacteria are growing
32.
Which of the following has the highest energy?
a)
light with a long wavelength
b)
light with an intermediate wavelength
c)
light with a short wavelength
d)
It is impossible to tell from the information given
33.
Who is the probable inventor of the compound microscope?
a)
Zaccharias Janssen
b)
Robert Hooke
c)
Antonie van Leeuwenhoek
d)
Hans Janssen
34.
Genes are to DNA as a human is to
a)
Cells
b)
gene
c)
DNA
d)
viruses
35.
What type of bacteria has a thicker peptidoglycan wall?
a)
Gram positive
b)
Gram negative
36.
In what step does gram negative lose the crystal violet-iodine complex?
a)
heat fix
b)
Counterstain
c)
Rinse with water
d)
stain with crystal violet
e)
decolorize with alcohol
37.
In which step does gram negative bacteria get their defining color?
a)
Heat fix
b)
counterstain
c)
rinse with water
d)
stain with crystal violet
e)
decolorize with alcohol
38.
What is the closest definition of a pathogen?
a)
any virus that invades the human body
b)
proteins on the outside of a virus
c)
an organism that causes disease.
d)
a substance that generates an immune response
39.
Antibodies are
a)
specialized cells
b)
Y-shaped proteins
c)
both of the above
d)
none of the above
40.
Which part of the microscope rotates to change the magnification?
a)
Ocular
b)
base
c)
rotating nosepiece
d)
objective lenses
100 %
