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

Unit 1 Quiz Questions Flashcards

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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
Q

What bacterium gave us the polymerase that we use in PCR?

Escherichia coli
Deinococcus radiodurans
Thermus aquaticus
Bacillus stearothermophilus

A

Thermus aquaticus

26
Q

What group of bacteria are the low G+C gram positives?

Spirochetes
Firmicutes
Proteobacteria
Actinobacteria

A

Firmicutes

27
Q

Which of these is the largest group of cultured bacteria?

Proteobacteria
Firmicutes
Spirochetes
Actinobacteria

A

Proteobacteria

28
Q

What form of Chlamydia cells infects new host cells?

Elementary body
Black body
Reticulate body
Polar body

A

Elementary body

29
Q

Which group of microbes includes the acid fast bacteria?

Firmicutes
Proteobacteria
Actinobacteria
Archaea

A

Actinobacteria

30
Q

Which group of bacteria are oxygenic phototrophs?

Purple sulfur bacteria
Cyanobacteria
Green sulfur bacteria
Firmicutes

A

Cyanobacteria

31
Q

What pigment do some archaea use to capture light energy?

Bacteriochlorophyll
Chlorophyll A
Rhodopsin
Bacteriorhodopsin

A

Bacteriorhodopsin

32
Q

What group of microbes includes the methanogens?

Firmicutes
Nanoarchaeota
Euryarchaota
Crenarchaeota

A

Euryarchaota

33
Q

When were arachae first described as a group?

1990s
1870s
1970s
1920s

A

1970s

34
Q

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

A

Unsaturated fatty acids in phospholipids

35
Q

What kind of growth conditions do methanogens require?

Oxic
Brightly illuminated
Nitrogen rich
Anaerobic

A

Anaerobic

36
Q

What group of archaea contain crenarchaeol?

Thaumarchaeota
Euryarchaeota
Nanoarchaeota
Crenarcheota

A

Crenarcheota

37
Q

What sugar is found in pseudopeptidoglycan but not true peptidoglycan?

NAR
NAG
NAM
NAT

A

NAT

38
Q

How are archaea similar to eukaryotes?

They have operons
They have 70S ribosomes
They use RNA as their genome
They have introns

A

They have introns

39
Q

What is postulated to be the upper temperature limit for life on Earth?

120 C
100 C
150 C
250 C

A

150 C

40
Q

Where would the DNA in an archaea be found?

Nucleomorph
Nucleolus
Nucleoid
Nucleus

A

Nucleoid

41
Q

What type of microbes cause red tide?

Red algae
Foraminiferans
Dinoflagellates
Amoeba

A

Dinoflagellates

42
Q

Which of these is a primary endosymbiont?

Green algae
Dinoflagellates
Diatoms
Brown algae

A

Green algae

43
Q

What sterol do fungi use in their membranes?

Estrogen
Ergosterol
Cholic acid
Cholesterol

A

Ergosterol

44
Q

What cytoskeleton protein is inside a eukaryotic flagellum?

Microtubule
Actin
FtsZ
Myosin

A

Microtubule

45
Q

What molecules make of most microbial capsules?

Polysaccharides
Polypeptides
Polyamines
Polynucleotides

A

Polysaccharides

46
Q

What group of fungi as known as the club fungi?

Ascomycetes
Zygomycetes
Basidiomycetes
Chytridiomycetes

A

Basidiomycetes

47
Q

Where does aerobic respiration occur in a eukaryote?

Mitochondria
Golgi body
Carboxysome
Cell membrane

A

Mitochondria

48
Q

Why does rough ER look rough?

Protein trafficking
Inclusion bodies present
Viruses present
Ribosomes present

A

Ribosomes present

49
Q

Which of the following organelles contains DNA?

Mitochondria
Rough ER
Vacuole
Golgi body

A

Mitochondria

50
Q

What microbes use pseudopodia for feeding and motility?

Alveolates
Amoebozoa
Algae
Fungi

A

Amoebozoa

51
Q

Which of these is an example of a group V virus?

Parvovirus
Influenza
Polio
COVID-19

A

Influenza

51
Q

What type of genetic material is found in group IV viruses?

ss RNA (- strand)
ss DNA
ds DNA
ss RNA (+ strand)

A

ss RNA (+ strand)

52
Q

What is the approximate size of a virus?

50 µm
50 mm
50 nm
50 pm

A

50 nm

53
Q

Which of these is an example of a pathogen that is just protein?

Lytic phage
Bacteriophage
Prion
Viroid

A

Prion

54
Q

What type of genetic material is found in group III viruses?

ds RNA
ds DNA
ss RNA (+ strand)
ss RNA (-strand)

A

ds RNA

55
Q

Which of these is not found in viruses?

DNA
Protein
Ribosome
Phospholipids

A

Ribosome

56
Q

What is the lipid layer surrounding some viruses called?

Outer membrane
Capsid
Chitin
Envelope

A

Envelope

57
Q

What is the first step in a viral replication cycle?

Genomic replication
Viropexis
Budding
Attachment to host cell

A

Attachment to host cell

58
Q

Which of these is an example of a pathogen that is just nucleic acid?

Chlamydia
COVID-19
Viroid
Prion

A

Viroid

59
Q

What part of a virus consists of a protein shell?

Cell membrane
Capsule
Capsid
Envelope

A

Capsid

Microbiology (BIOL 286) (36 decks)

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