Microbiology module 1 Flashcards


Set Details Share
created 5 years ago by jenna_viccc
1,045 views
updated 5 years ago by jenna_viccc
Subjects:
microbiology
show moreless
Page to share:
Embed this setcancel
COPY
code changes based on your size selection
Size:
X
Show:
1

Disease-causing microorganisms are called

pathogens

2

the microorganisms that recycle nutrients by breaking down dead matter and wastes are called

decomposers

3

the microorganisms that do not have a nucleus in their cells are called

prokaryotes

4

when humans manipulate the genes of microorganisms the process is called

genetic engineering

5

which of the following is not considered a microorganism

mosquito

6

all microorganisms are best defined as organisms that

are too small to be seen with the unaided eye

7

which activity is an example of biotechnology

humans using yeast to make beer and wine

8

which of the following is a unique characteristic of viruses that distinguishes them from the other major groups of microorganisms

lack cell structure

9

the dutch merchant who made and used quality magnifying lenses to see and record microorganisms was

Anton van Leeuwenhoek

10

Pasteur used swan-neck flasks in his experiments to prove that

dust in air was a source of living microorganisms.

11

Which of the following is not a process in the scientific method?

belief in a preconceived idea

12

Spontaneous generation is the belief that

living things arise from nonliving matter

13

Koch's postulates are criteria used to establish that

a specific microbe is the cause of a specific disease.

14

Which of the following is a taxon that contains all the other taxa listed?

kingdom

15

Which of the following is a scientific name?

Bacillus subtilis

16

Taxonomy does not involve

Koch's postulates.

17

The smallest and most significant taxon is

species.

18

The study of evolutionary relationships among organisms is called

phylogeny.

19

A scientist studying the sequence of nucleotides in the rRNA of a bacterial species is working
on

determining evolutionary relatedness.

20

A scientist discovers a new microbial species. It is a single-celled eucaryote without cell walls.
In which kingdom will it likely be classified?

Protista

21

A scientist collects grass clippings to find the source of an outbreak of tularemia is an
example of working in the field of

epidemiology.

22

Helminths are

parasitic worms.

23

All of the following pertain to photosynthesis except

it occurs only in members of the kingdom Plantae

24

Organisms called parasites are

always harmful to their host.

25

The surgeon who advocated using disinfectants on hands and in the air prior to surgery was

Joseph Lister

26

Which scientist showed that anthrax was caused by the bacterium, Bacillus anthracis?

Robert Koch

27

Select the correct descending taxonomic hierarchy (left to right):

family, genus, species

28

When assigning a scientific name to an organism

both genus and species names are italicized or underlined.

29

The scientist/s that proposed organisms be assigned to one of 3 domains is/are

Carl Woese and George Fox.

30

In Whittaker's system, the protozoa and algae are classified in the kingdom

. Protista.

31

Which kingdom does not contain any eukaryotes?

Monera

32

Which of the following are the main decomposers of the earth?

bacteria and fungi

33

The most common infectious cause of death worldwide is

respiratory infections

34

Which of the following diseases is transmitted by mosquitoes?

malaria

35

All of the following are correct about prokaryotes except

they have organelles

36

All of the following contribute to the rise of emerging diseases except

the decrease in drug resistant bacteria.

37

Which scientist discovered heat resistant bacterial spores?

Ferdinand Cohn

38

Which of the following is the correct way to write the scientific name of this bacterium?

Staphylococcus aureus

39

Where are you most likely to find bacteria belonging to the domain Archaea?

in a hot spring

40

When microbes are introduced into the environment to restore stability, the process is called

bioremediation

41

Which of the following diseases probably involves microbial infection?

All of the choices are correct

42

Members of the same species share many more characteristics compared to those shared by
members of the same kingdom.

True

43

Viruses are not classified in any of Whittaker's 5 kingdoms.

True

44

Members of the kingdom Fungi are photosynthetic.

False

45

A scientist studying helminths is working with bacteria.

False

46

The fossil record has established that prokaryotes existed on earth for approximately 2 billion
years before eukaryotes appeared.

True

47

It has been over 25 years since a new infectious disease has emerged in the world.

False

48

The term sterile means free of all life forms.

True

49

All microorganisms are parasites.

False

50

During a scientific experiment, the control group is used to directly test or measure the
consequences of a variable in the study.

False

51

The scientific method involves formulating a tentative explanation, called the hypothesis, to
account for what has been observed or measured.

True

52

Once an organism is assigned to a particular taxonomic hierarchy, it is permanent and cannot
be revised.

False

53

A hypothesis must be tested before it can be considered a theory.

True

54

The names of the three proposed Domains are: Bacteria, Protista, Eukarya.

False

55

One distinguishing characteristic of the archaebacteria is that they live in extreme
environments

true

56

His experimentation led to the explanation of heat-stabile and heat-labile organisms and the
discovery of endospores.

Tyndall

57

Who established the criteria for identifying which specific organism caused a specific
disease?

Koch

58

Which group of organisms is studied in the field of microbiology?

All of the above are studied

59

This is present in eukaryotic but not in prokaryotic cells

organelles

60

Which of the following is not true of eucaryotic cells?

The chromosome is a single continuous thread.

61

A common bacterial agent of sore throats is Streptococcus pyogenes; the genus name is

Streptococcus

62

Pasteur and Tyndall experiments proved

microbes are transmitted via dust particles

63

The level or organization that includes viruses

subcellular

64

The level of organization that could be appropriately exemplified by Bacillus subtilis

cellular

65

Discovered penicillin, which was the first antibiotic, in l929.

Alexander Fleming

66

Genetic changes that were not present in the parent but enables survival of the offspring best
describes

adaptation

67

Multicellular parasites that have a complex life cycle and may cause diseases in man

helminths

68

Dutch spectacle makers who are credited with the discovery of the first compound
microscope, about 1590

The Janssens

69

Prokaryotic cell division occurs via

binary fission

70

The type of cell that has a pronounced absence of membrane bound organelles

prokaryotic

71

Of the following which is not true of viruses?

all of the above are true

72

Prokaryotic cells may best be described as

cells that have a pronounced absence of organelles

73

In which level of organization would viruses exist?

sub-cellular

74

The necessity for elaborate sterilization procedures in hospitals and canneries is due to

endospores

75

Which of Koch’s postulates states that a particular microbe should be present in every case of that disease?

1

76

Which domain includes eukaryotic cells?

Eukarya

77

The following are parts of the scientific method except

biological laws.

78

Abiogenesis was finally disproved by the work of

Pasteur

79

A clear association between contamination and infection from maternity wards with regards to
child birth fever was demonstrated by:

Holmes

80

Protozoa belong to the Kingdom:

Protista.

81

The agent which causes AIDS is a _____.

virus

82

A minute, highly durable body which develops in some bacteria that is very resistant to the
environment

endospore

83

This is the study of the systems for disease resistance

immunology

84

This is is the process of an organism coping its with environment

adaptation

85

This is the disproven idea that life arose from nonliving matter

abiogenesis

86

Who was the virologist that developed the first polio vaccine?

Jonas Salk

87

What is number 2 of Koch's Postulates?

isolate the microbe and grow in a pure culture in the lab

88

The smallest taxonomic group in the taxonomic classification scheme is

Species

89

Although impossible to prove, when using the scientific method, ____ is a scientific theme
that attempts to explain biological observed data or information. This is step 2 in the scientific
method

a hypothesis

90

In which level of organization do bacteria exist?

cellular

91

dealt final defeat to theory of abiogenesis

Louis Pasteur

92

Discovered cells under a microscope

Robert Hooke

93

Used a recombinant DNA technique to place plant and
animal genes in the bacteria E. coli

Stanley Cohen

94

Discovered the first antibiotic, penicillin

Alexander Fleming

95

Linked mosquitoes to the spread of Yellow Fever

Walter Reed

96

Built the earliest known compound microscope

Janssesns,

97

One of the first in the first to use antiseptics in surgery

Jospeh Lister

98

Developed and used four postulates which were used in
sequence to prove that a certain microorganism caused
a certain disease

Robert Koch

99

Crystaliized and studied the tobacco mosaic virus

Wendell Stanley

100

Discovered the causative agent of Rocky Mountain
Spotted Fever

Howard Ricketts

101

Discovered heat stability is linked to the presence of
endospores

John Tyndall

102

Developed the rabies vaccine and the anthrax vaccine
for sheep

Louis Pasteur

103

Devised a model of the structure of DNA

Watson and Crick

104

Developed the first oral polio vaccine

Albert Sabin

105

Developed recombinant techniques and developed the
field of modern molecular genetics

Frederick Griffith

106

Developed the vaccine for small pox

Edward Jenner

107

Helped disprove the theory of spontaneous generation
with his famous meat experiment

Francesco Redi

108

Discovered the causative agent of anthrax

Robert Koch

109

Developed the handwashing technique

Ignaz Semmelweis

110

He is sometimes called the "Father of Bacteriology and
Protozoology."

Anton van Leeuwenhoek,

111

Cloned the first DNA using plasmids

Stanley Cohen