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Microbiology (BIOL 286) > Unit 1 Quiz Questions > Flashcards

Unit 1 Quiz Questions Flashcards

1
Q

What type of microbes do bacteriologists study?

Prokaryotes
Fungi
Algae
Viruses

A

Prokaryotes

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2
Q

Who used swan necked flasks to disprove spontaneous generation of microbes?

Pasteur
Lister
Koch
Snow

A

Pasteur

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3
Q

What disease was Snow tracking in London when he did his epidemiological work?

Plague
Influenze
Cholera
Pneumonia

A

Cholera

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4
Q

Which medical doctor first used phenol as an antiseptic and disinfectant?

Lister
Snow
Pasteur
Semmelweiss

A

Lister

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5
Q

Which scientist used a simple microscope to first view live bacteria?

Flemming
Pasteur
Hooke
Leeuwenhoek

A

Leeuwenhoek

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6
Q

Which of these is Koch’s third postulate?

Pathogens should be found in all sick individuals and no well individuals

Pathogens should be isolated from artificially infected individuals

Pure pathogens given to a healthy individual should cause disease

Pathogens should be isolated from sick individuals

A

Pure pathogens given to a healthy individual should cause disease

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7
Q

Which of these is an acellular microbe?

Bacterium
Yeast
Bacteriophage
Archaea

A

Bacteriophage

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8
Q

What bacteria structures did Cohn discover?

Inclusion bodies
Endospores
Nuclei
Flagella

A

Endospores

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9
Q

Which of Whittaker’s kingdoms contained prokaryotes?

Archaea
Plantae
Monera
Fungi

A

Monera

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10
Q

Which of these is smallest in size?

Yeast
Virus
Bacterium
Arachaea

A

Virus

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11
Q

What are bacterial cell walls compose of?

Chitin
Peptidoglycan
Lignin
Cellulose

A

Peptidoglycan

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12
Q

What gets larger as cell size decreases?

Genome size
Surface area : volume ratio
Volume
Surface area

A

Surface area : volume ratio

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13
Q

What term refers to rod-shaped bacteria in chains?

Streptococci
Streptobacillus
Pallisades
Staphylobacilli

A

Streptobacillus

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14
Q

What is the most abundant macromolecule in a cell?

Protein
Water
DNA
RNA

A

Protein

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15
Q

Which of these microbes does not contain murein?

Gram negative
Mycoplasma
Gram positive
Acid fast

A

Mycoplasma

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16
Q

What type of microbe contains teichoic acid?

Gram negative
Mycoplasma
Gram positive
Acid fast

A

Gram positive

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17
Q

What size are prokaryotic ribosomes?

80S
40S
60S
70S

A

70S

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18
Q

What type of microbe contains axial filaments?

Chlamydia
Yeast
Acid fast
Spirochetes

A

Spirochetes

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19
Q

What limits the resolving power of a microscope?

The image’s magnification
Number of lenses used
Price of the lenses
Wavelenght of light used

A

Wavelenght of light used

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20
Q

What is volutin an example of?

Organelle
Spore
Inclusion body
Vacuole

A

Inclusion body

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21
Q

Which bacterium is used to produce sauerkraut?

Leuconostoc
Lactobacillus
Proteus
Clostridium

A

Leuconostoc

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22
Q

Which group of proteobacteria are most genetically similar to our mitochondria?

Alpha
Gamma
Delta
Beta

A

Alpha

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23
Q

Which of these bacteria would most likely make an endospore?

Chlamydia
Escherichia
Lactobacillus
Bacillus

A

Bacillus

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24
Q

Which group of proteobacteria includes the cause of gastic ulcers?

Gamma
Alpha
Epsilon
Beta

A

Epsilon

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25
What bacterium gave us the polymerase that we use in PCR? Escherichia coli Deinococcus radiodurans Thermus aquaticus Bacillus stearothermophilus
Thermus aquaticus
26
What group of bacteria are the low G+C gram positives? Spirochetes Firmicutes Proteobacteria Actinobacteria
Firmicutes
27
Which of these is the largest group of cultured bacteria? Proteobacteria Firmicutes Spirochetes Actinobacteria
Proteobacteria
28
What form of Chlamydia cells infects new host cells? Elementary body Black body Reticulate body Polar body
Elementary body
29
Which group of microbes includes the acid fast bacteria? Firmicutes Proteobacteria Actinobacteria Archaea
Actinobacteria
30
Which group of bacteria are oxygenic phototrophs? Purple sulfur bacteria Cyanobacteria Green sulfur bacteria Firmicutes
Cyanobacteria
31
What pigment do some archaea use to capture light energy? Bacteriochlorophyll Chlorophyll A Rhodopsin Bacteriorhodopsin
Bacteriorhodopsin
32
What group of microbes includes the methanogens? Firmicutes Nanoarchaeota Euryarchaota Crenarchaeota
Euryarchaota
33
When were arachae first described as a group? 1990s 1870s 1970s 1920s
1970s
34
Which of these is NOT an adpatation for living at high temperature? Positive DNA supercoiling Tetraether lipids Unsaturated fatty acids in phospholipids High intracellular solute concentration
Unsaturated fatty acids in phospholipids
35
What kind of growth conditions do methanogens require? Oxic Brightly illuminated Nitrogen rich Anaerobic
Anaerobic
36
What group of archaea contain crenarchaeol? Thaumarchaeota Euryarchaeota Nanoarchaeota Crenarcheota
Crenarcheota
37
What sugar is found in pseudopeptidoglycan but not true peptidoglycan? NAR NAG NAM NAT
NAT
38
How are archaea similar to eukaryotes? They have operons They have 70S ribosomes They use RNA as their genome They have introns
They have introns
39
What is postulated to be the upper temperature limit for life on Earth? 120 C 100 C 150 C 250 C
150 C
40
Where would the DNA in an archaea be found? Nucleomorph Nucleolus Nucleoid Nucleus
Nucleoid
41
What type of microbes cause red tide? Red algae Foraminiferans Dinoflagellates Amoeba
Dinoflagellates
42
Which of these is a primary endosymbiont? Green algae Dinoflagellates Diatoms Brown algae
Green algae
43
What sterol do fungi use in their membranes? Estrogen Ergosterol Cholic acid Cholesterol
Ergosterol
44
What cytoskeleton protein is inside a eukaryotic flagellum? Microtubule Actin FtsZ Myosin
Microtubule
45
What molecules make of most microbial capsules? Polysaccharides Polypeptides Polyamines Polynucleotides
Polysaccharides
46
What group of fungi as known as the club fungi? Ascomycetes Zygomycetes Basidiomycetes Chytridiomycetes
Basidiomycetes
47
Where does aerobic respiration occur in a eukaryote? Mitochondria Golgi body Carboxysome Cell membrane
Mitochondria
48
Why does rough ER look rough? Protein trafficking Inclusion bodies present Viruses present Ribosomes present
Ribosomes present
49
Which of the following organelles contains DNA? Mitochondria Rough ER Vacuole Golgi body
Mitochondria
50
What microbes use pseudopodia for feeding and motility? Alveolates Amoebozoa Algae Fungi
Amoebozoa
51
Which of these is an example of a group V virus? Parvovirus Influenza Polio COVID-19
Influenza
51
What type of genetic material is found in group IV viruses? ss RNA (- strand) ss DNA ds DNA ss RNA (+ strand)
ss RNA (+ strand)
52
What is the approximate size of a virus? 50 µm 50 mm 50 nm 50 pm
50 nm
53
Which of these is an example of a pathogen that is just protein? Lytic phage Bacteriophage Prion Viroid
Prion
54
What type of genetic material is found in group III viruses? ds RNA ds DNA ss RNA (+ strand) ss RNA (-strand)
ds RNA
55
Which of these is not found in viruses? DNA Protein Ribosome Phospholipids
Ribosome
56
What is the lipid layer surrounding some viruses called? Outer membrane Capsid Chitin Envelope
Envelope
57
What is the first step in a viral replication cycle? Genomic replication Viropexis Budding Attachment to host cell
Attachment to host cell
58
Which of these is an example of a pathogen that is just nucleic acid? Chlamydia COVID-19 Viroid Prion
Viroid
59
What part of a virus consists of a protein shell? Cell membrane Capsule Capsid Envelope
Capsid

Microbiology (BIOL 286) (36 decks)

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