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Microbiology test 1

Description

Study guide for microbiology covering prokaryotic cells, microbial growth, nutrition, metabolism, and control in the environment.
Jo O'Bar
Quiz by Jo O'Bar, updated more than 1 year ago
Jo O'Bar
Created by Jo O'Bar over 5 years ago
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Resource summary

Question 1

Question
Check all Biological Domains
Answer
  • Bacteria
  • Archaea
  • Eukarya
  • Vertebrata
  • Protista

Question 2

Question
Microorganisms exist in all Biological Domains
Answer
  • True
  • False

Question 3

Question
Which Domain separated first in the phylogenetic tree?
Answer
  • Bacteria
  • Archaea
  • Eukarya

Question 4

Question
Check all that apply to Domain Bacteria
Answer
  • Prokaryotic
  • 16S rRNA genes
  • Eukaryotic
  • 18S rRNA genes
  • Cyanobacteria
  • "Extremeophiles"
  • Fungi

Question 5

Question
Check all that apply to Domain Archaea
Answer
  • Prokaryotic
  • 16S rRNA genes
  • "Extremeophiles"
  • Fungi
  • 18S rRNA genes
  • Halophilic, methanogenic, and acetogenic prokaryotes
  • Eukaryotic

Question 6

Question
Check all that apply to Domain Eukarya
Answer
  • Eukaryotic
  • 18S rRNA genes
  • Fungi
  • Algae
  • Protozoa
  • Prokaryotic
  • "Extremophiles"
  • cyanobacteria
  • Halophilic, methanogenic, and acetogenic prokaryotes

Question 7

Question
Which Domain was most recently discovered?
Answer
  • Bacteria
  • Archaea
  • Eukarya

Question 8

Question
Classical taxonomy of fungi is based on the following: (check all that apply)
Answer
  • sexual reproductive mode
  • morphology
  • biochemistry
  • ecology
  • physics
  • mode of motility

Question 9

Question
Algae are classified by [blank_start]pigmentation color[blank_end]. They are labeled as [blank_start]green[blank_end], [blank_start]red[blank_end], and [blank_start]brown[blank_end].
Answer
  • pigmentation color
  • shape
  • diet
  • green
  • purple
  • oblong
  • red
  • blue
  • leafy
  • brown
  • orange
  • circular

Question 10

Question
Protists are found in the following groups: (check all that apply)
Answer
  • Fungi
  • Algae
  • Protozoa
  • Archaea

Question 11

Question
Classical Taxonomy of Protozoa is based on ______.
Answer
  • mode of motility
  • biochemistry
  • mode of reproduction
  • geology

Question 12

Question
Viruses are aggressive parasitic cells that attack other cells.
Answer
  • True
  • False

Question 13

Question
Microbes are [blank_start]ubiquitous[blank_end], meaning that they are found everywhere.
Answer
  • ubiquitous

Question 14

Question
Life on Earth would be impossible without microbes.
Answer
  • True
  • False

Question 15

Question
[blank_start]Antony van Leeuwenhoek[blank_end] invented the simple microscope. [blank_start]Robert Hooke[blank_end] invented the compound microscope.
Answer
  • Antony van Leeuwenhoek
  • Von Dusch
  • Robert Hooke
  • J. Tyndall

Question 16

Question
[blank_start]Joseph Lister[blank_end] created antiseptic techniques for surgery. [blank_start]Robert Koch[blank_end] came up with the Germ Theory of Disease. [blank_start]Pasteur and Roux[blank_end] created the attenuated vaccine.
Answer
  • Joseph Lister
  • J.M. Berkeley
  • Robert Koch
  • Von Dusch
  • Pasteur and Roux
  • Tyndall and Needham

Question 17

Question
Koch's Postulates are as follows: (check all that apply)
Answer
  • Microbe is present in every case of the disease but absent in healthy hosts
  • Suspected microbe can be isolated and grown in pure culture
  • Same disease must be produced when a healthy host is inoculated with that microbe
  • Same microbes must be isolatable from newly diseased host
  • Microbes are ubiquitous, found everywhere from the human body to object surfaces to ocean basins to mountain tops.

Question 18

Question
[blank_start]Anaerobic[blank_end]: does not require oxygen
Answer
  • Anaerobic

Question 19

Question
Who discovered anaerobic microbes?
Answer
  • Pasteur
  • Roux
  • Jenner
  • Koch

Question 20

Question
Microbial infallibility:
Answer
  • all naturally produced organic materials are biodegradable
  • All things die in the end
  • Microbes can't always be right
  • Some microbes are actually HUGE!

Question 21

Question
Microbes are great for experiments because: (check all that apply)
Answer
  • they reduce space
  • they reduce time to study the same process
  • no one cares about microbes
  • they're all the same

Question 22

Question
Most microbes are [blank_start]single[blank_end] cells, whereas most other living things are composed of [blank_start]multiple[blank_end] cells.
Answer
  • single
  • multiple
  • multiple
  • single

Question 23

Question
Heterotrophy includes [blank_start]chemoheterotrophy[blank_end] and [blank_start]photoheterotroophy[blank_end].
Answer
  • chemoheterotrophy
  • chemolithotrophy
  • photoheterotrophy
  • photolithotrophy

Question 24

Question
Autotrophy includes [blank_start]chemolithotrophy[blank_end] and [blank_start]photolithotrophy[blank_end].
Answer
  • chemolithotrophy
  • chemoheterotrophy
  • photolithotrophy
  • photoheterotrophy

Question 25

Question
There are more Eukaryotic cells in the human body than Prokaryote cells.
Answer
  • True
  • False

Question 26

Question
Label the arrangements of cocci cells.
Image:
2018 24 09 12 35 16 (binary/octet-stream)
Answer
  • coccus
  • diplococci
  • staphylococci
  • streptococci
  • sarcina
  • tetrad

Question 27

Question
Some organisms studied by microbiologists are larger than a pizza.
Answer
  • True
  • False

Question 28

Question
Prions are cellular entities.
Answer
  • True
  • False

Question 29

Question
The peptidoglycan layer of gram-negative bacteria is thinner than that of gram-positive bacteria.
Answer
  • True
  • False

Question 30

Question
The rotation of bacterial flagella is powered by ATP hydrolysis.
Answer
  • True
  • False

Question 31

Question
Optical density of a bacterial suspension is directly proportionate to cell population density.
Answer
  • True
  • False

Question 32

Question
An example of "decimating" a microbial population is to reduce it from 1000 to 100 microbes.
Answer
  • True
  • False

Question 33

Question
During logarithmic growth, bacteria divide synchronously by binary fission, thereby doubling their population in a discrete stepwise manner
Answer
  • True
  • False

Question 34

Question
Microbiologists study a variety of organisms, but all are considered either Bacteria or Archaea.
Answer
  • True
  • False

Question 35

Question
Marshall and Warren won a Nobel Prize for their application of Koch's Postulates to establish Helicobacter pylori as the etiological agent of gastric and pyloric ulcers
Answer
  • True
  • False

Question 36

Question
Quarternary ammonium compounds are a class of disinfectants that are cationic surfactants
Answer
  • True
  • False

Question 37

Question
Who is considered the "Father of Microbiology?"
Answer
  • Lois Pasteur
  • Edward Jenner
  • Robert Koch
  • Joseph Lister
  • Alexander Flemming

Question 38

Question
Carl Woese and George Fox established that prokaryotic microorganisms should be classified into the separate domains Bacteria and Archaea based on...
Answer
  • cell morphology and physiology
  • 16S rRNA gene sequence differences
  • 18S rRNA gene sequence differences
  • colors of colonies on Petri Plate cultures

Question 39

Question
Microorganisms are the only cellular-based organisms capable of spontaneous generation.
Answer
  • True
  • False

Question 40

Question
The periplasmic space is ONLY in gram-positive cell walls.
Answer
  • True
  • False

Question 41

Question
chains of linked peptidoglycan subunits are cross-linked by...
Answer
  • peptides
  • peptobysmal
  • carbon links
  • proteins

Question 42

Question
Gram positive cell walls are [blank_start]simpler[blank_end] chemically than that of gram negative bacteria. They are primarily composed of [blank_start]peptidoglycan[blank_end].
Answer
  • simpler
  • more complex
  • peptidoglycan
  • proteins
  • glucose

Question 43

Question
The [blank_start]periplasmic[blank_end] space lies between the plasma membrane and cell wall of gram positive bacteria.
Answer
  • periplasmic

Question 44

Question
What is the periplasm?
Answer
  • The region between the outer membrane and cell membrane
  • The space between the outer membrane and cell membrane
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