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CHAPTER 1
PRACTICE TESTS
PRACTICE TESTS
This activity contains 20 questions.
The first observations of bacteria were made by:
Needham.
Pasteur.
Van Leeuwenhoek.
Hooke.
All of the following scientists performed experiments that proved the theory of biogenesis except:
Redi.
Pasteur.
Virchow.
Needham.
Pasteurization is used for all of the following purposes except which?
to remove pathogens from food
to remove spoilage microbes from food
to increase shelf-life of food
to remove all microorganisms from food
The germ theory of disease was proven by:
Koch.
Pasteur.
Bassi.
Lister.
All of the following are products produced naturally by microorganisms except which one?
silk
ethyl alcohol
acetone
butyl alcohol
Which of the following scientists and their discoveries is not correctly matched?
Jenner-vaccination
Koch-germ theory of disease
Lister-antibiotics
Ehrlich-chemotherapy
Which of the following is a scientific name?
Legionnaires' disease
Legionnaires' bacterium
Philadelphia fever
Legionella pneumophila
Which of the following fields of study and its example are not correctly matched?
mycology-study of athlete's foot
bacteriology-study of
E.
coli
O157:H7
immunology-study of vaccines
parasitology-study of all parasites
In the scientific name,
Escherichia coli
,
Escherichia
is the:
species.
genus.
family.
class.
Which of the following types of microorganisms and its example is not correctly matched?
helminthes-multicellular animals
fungi-eukaryotic
protozoa-small animals
bacteria-prokaryotic
Which of the following is not a characteristic of Bacteria
all are unicellular
cell walls are composed of peptidoglycan
all are pathogenic
most possess cell walls
Which of the following does not belong with the others?
plants.
animals.
bacteria.
fungi.
The laboratory and medical procedures employed to prevent microbial contamination are called:
Koch's postulates.
sterilization.
aseptic techniques.
bioremediation.
All of the following are examples of biotechnology except which one?
bacteria that cause disease
antibiotic production by bacteria
bread-making with bacteria and fungi
enzyme production by bacteria and fungi
Which one of the following discoveries was not important to Lister's introduction of disinfection techniques to control infections?
Koch's postulates
Semmelweis's implementation of handwashing before contacting patients
Bassi's work on silkworm disease
Pasteur's work on silkworm disease
Emerging infectious diseases can be due to:
all of the above.
deforestation and earthquake.
humans moving to previously uninhabited areas.
changes or mutations in existing organisms.
Which one of the following is an example of bioremediation?
use of cowpox virus to vaccinate against smallpox
use of
Pseudomonas
to remove uranium from soil at weapons depots
use of
Sacccharomyces
cerevisiae
to make wine
use of
Bacillus thuringiensis
to kill crop-eating insects
All of the following are beneficial uses of microorganisms except which one?
recycling elements in the environment
producing foods and chemicals
none of the above
decomposing sewage
Which one of the following was the most significant difference in the experiments that resulted in Pasteur's proof of biogenesis being accepted over Needham's proof?
The broth could support life.
Microbes did not grow until the broth was inoculated.
Air was present.
Microbes were never grown in the broth.
Which of the following statements about bacteria is not true?
Bacteria are essential to the presence of life on Earth.
Everyone has bacteria in and on the body.
Bacteria are used to make some foods.
The only good bacterium is a dead bacterium.
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