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Weeks 1 and 2

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Lecture feedback questions from wks 1 and 2
Jessica Bulley
Quiz by Jessica Bulley, updated more than 1 year ago
Jessica Bulley
Created by Jessica Bulley about 6 years ago
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Resource summary

Question 1

Question
Both Genus and species names are either ..
Answer
  • underlined and bold
  • underlined and italicized

Question 2

Question
First letter of Genus is always
Answer
  • capitalized
  • lower case

Question 3

Question
Species designation is always
Answer
  • lowercase
  • uppercase

Question 4

Question
Which name is never abbreviated
Answer
  • Genus
  • Species

Question 5

Question
[blank_start]87%[blank_end] of Microorganisms are harmless [blank_start]10%[blank_end] of Microorganisms are opportunistic [blank_start]3%[blank_end] of Microorganisms are overtly pathogenic
Answer
  • 87%
  • 10%
  • 3%

Question 6

Question
Total microbial load [blank_start]>10.13[blank_end] microbial cells in the body vs. [blank_start]10.13[blank_end] body cells
Answer
  • >10.13
  • >10.12
  • 10.13
  • 10.14

Question 7

Question
Robert Hooke (1665) was the first person to
Answer
  • describe a cell
  • developing antisepsis for surgery

Question 8

Question
Joseph Lister (1870) was the first person to...
Answer
  • develop antisepsis for surgery
  • describe a cell

Question 9

Question
Antoni Van Leeuwinhoek was the first person to...
Answer
  • describe a cell
  • describe bacteria including their shapes

Question 10

Question
Robert Hooke was the first person to [blank_start]describe a cell[blank_end] Joseph Lister was the first person to [blank_start]develop antisepsis[blank_end] Antoni van Leeuwenhoek was the first person to [blank_start]describe a bacterium[blank_end]
Answer
  • describe a cell
  • develop antisepsis
  • develop antisepsis
  • describe a bacterium
  • describe a bacterium
  • describe a cell

Question 11

Question
Ignaz Semmelweis was the first to...
Answer
  • use handwashing in clinical practice
  • develop antisepsis

Question 12

Question
Select the two correct answers
Answer
  • Louis Pasteur was the first person to disprove abiogenesis
  • Louis Pasteur was the first person to discover pasteurisation
  • Louis Pasteur was the first person to apply hand washing in clinical practice

Question 13

Question
Robert Koch was the first to study the following two diseases..
Answer
  • Anthrax
  • Tubercolosis
  • Chlamidia

Question 14

Question
Robert Koch found the
Answer
  • germ theory of disease
  • disproved the theory of abiogenesis

Question 15

Question
Robert Koch contributed towards staining methods for microbes
Answer
  • True
  • False

Question 16

Question
Kochs postulates (germ theory of disease) 1. Specific causative agent must [blank_start]be found in every case of disease[blank_end] 2. Disease organism must [blank_start]be isolated in pure culture[blank_end] 3. Innoculation of culture sample into healthy animal must [blank_start]produce same disease[blank_end] 4. Disease organism must [blank_start]be recovered from animal[blank_end]
Answer
  • be found in every case of disease
  • be isolated in pure culture
  • produce same disease
  • be recovered from animal

Question 17

Question
Select the three domains of life
Answer
  • Eubacteria
  • Fungi
  • Archaea
  • Algae
  • Protozoa
  • Eucarya

Question 18

Question
What are the two aspects of Eubacteria
Answer
  • Gram stain positive and negative
  • Algae and Fungi

Question 19

Question
Select which is classified as Eucarya
Answer
  • Algae, Fungi, Cyanobacteria, Plants, Animals
  • Plants, Animals, Thermophiles, Algae, Fungi
  • Protozoa, Algae, Fungi, Plants, Animals

Question 20

Question
Archaea and Bacteria are
Answer
  • Eukaryotes
  • Prokaryotes

Question 21

Question
Fungi, Protozoa and Fungi are
Answer
  • Prokaryotes
  • Eukaryotes

Question 22

Question
Protozoa are
Answer
  • single celled Eukaryotes
  • single celled Prokaryotes

Question 23

Question
Fungi have a cell wall
Answer
  • True
  • False

Question 24

Question
Moulds are
Answer
  • Unicellular
  • Multicellular

Question 25

Question
Moulds reproduce
Answer
  • Sexually and Asexually
  • Budding

Question 26

Question
Yeasts are
Answer
  • Unicellular
  • Multicellular

Question 27

Question
Yeasts reproduce by
Answer
  • budding
  • sexual reproduction

Question 28

Question
Bacteria have a nuclei
Answer
  • True
  • False

Question 29

Question
A virus which infects a bacteria is called a Bacteriophage
Answer
  • True
  • False

Question 30

Question
Peptidoglycan is found in Prokaryotes cell wall (Bacteria/Eubacteria)
Answer
  • True
  • False

Question 31

Question
Prokaryotes do not reproduce by binary fission
Answer
  • True
  • False

Question 32

Question
Eukaryotes reproduce by meiosis/meitosis
Answer
  • True
  • False

Question 33

Question
Endospores are not a survival mechanism by Prokaryotes
Answer
  • True
  • False

Question 34

Question
Plasmids are small, enclosed, transferable pieces of DNA
Answer
  • True
  • False

Question 35

Question
Bacteria contain plasmids
Answer
  • True
  • False

Question 36

Question
Gram stain positive bacteria have a [blank_start]thick[blank_end] cell wall layer of peptidoglycan and teichoic acid and [blank_start]lipoteichoic[blank_end] acid
Answer
  • thick
  • thin
  • lipoteichoic
  • lipopolysaccharide

Question 37

Question
Gram Negative bacteria have an outer membrane called [blank_start]lipopolysaccharide[blank_end]
Answer
  • lipopolysaccharide
  • lipoteichoic

Question 38

Question
Select the two different types of Glycocalyx
Answer
  • slime
  • capsules
  • capsid
  • lipopolysaccharide

Question 39

Question
Flagella are for [blank_start]motility[blank_end] only Fimbriae are for [blank_start]adherence[blank_end] only Pili is for [blank_start]conjugation[blank_end] and adherence
Answer
  • motility
  • adherence
  • adherence
  • motility
  • conjugation
  • motility

Question 40

Question
Describe this polar distribution of bacterial flagella
Image:
Monotrichous (binary/octet-stream)
Answer
  • Monotrichous
  • Iophotrichous
  • Amphitrichous

Question 41

Question
Describe this polar distribution of bacterial flagella
Image:
Iophotrichous (binary/octet-stream)
Answer
  • Monotrichous
  • Iophotrichous
  • Amphitrichous

Question 42

Question
Describe this polar distribution of bacterial flagella
Image:
Amphitrichous (binary/octet-stream)
Answer
  • Amphitrichous
  • Iophotrichous
  • Monotrichous

Question 43

Question
What is the purpose of Bacterial Sporulation?
Answer
  • survival under unfavorable growth conditions
  • survival under favorable growth conditions

Question 44

Question
Bacteria reproduce by a process called
Answer
  • Binary Fission
  • Budding

Question 45

Question
Binary Fission is a
Answer
  • Asexual process
  • Sexual process

Question 46

Question
Binary Fission is a process of when
Answer
  • single cell splits into two sister cells
  • Two non-identical cells developed sexually

Question 47

Question
The bacterial growth stages comprises of the [blank_start]lag[blank_end] phase to begin with, then the [blank_start]exponential[blank_end] phase, then the [blank_start]stationary[blank_end] phase, followed by the [blank_start]death/decline[blank_end] stage
Answer
  • lag
  • exponential
  • exponential
  • stationary
  • stationary
  • exponential
  • death/decline
  • stationary

Question 48

Question
There are many different atmospheric conditions for Bacteria such as: [blank_start]Obligate Aerobe[blank_end] - which oxygen is essential for growth [blank_start]Microaerophiles[blank_end] - low levels of oxygen is required [blank_start]Obligate Anaerobes[blank_end] - will only grow in complete absence of Oxygen [blank_start]Facultative Anaerobes[blank_end] - able to grow with or without Oxygen [blank_start]Carboxyphiles[blank_end] - grow best with increased presence of CO2
Answer
  • Obligate Aerobe
  • Microaerophiles
  • Microaerophiles
  • Obligate Aerobe
  • Obligate Anaerobes
  • Facultative Anaerobes
  • Facultative Anaerobes
  • Carboxyphiles
  • Carboxyphiles
  • Obligate Aerobe

Question 49

Question
Temperature preferences: [blank_start]Psychrophiles[blank_end] - Growth temp. 0 - 20 degrees [blank_start]Mesophiles[blank_end] - Growth temp. 10 - 45 degrees [blank_start]Thermophiles[blank_end] - Growth temp. 45 - 85 degrees
Answer
  • Psychrophiles
  • Mesophiles
  • Thermophiles

Question 50

Question
The breakdown and formation of ATP is mediated by the oxidation-redoxation(redox) reactions: [blank_start]Oxidation[blank_end] - Electrons loss [blank_start]Reductions[blank_end] - Electrons gain
Answer
  • Oxidation
  • Reductions

Question 51

Question
Fermentation produces low ATP
Answer
  • True
  • False

Question 52

Question
Respiration produces lots of ATP
Answer
  • True
  • False

Question 53

Question
Host microbes relationship: [blank_start]Mutualism[blank_end] - where both members benefit [blank_start]Commensalism[blank_end] - where one member benefits without harming the other [blank_start]Parasitism[blank_end] - relationship where one member is harmed for the other members gain
Answer
  • Mutualism
  • Commensalism
  • Parasitism

Question 54

Question
Stages of Infectious disease: [blank_start]Incubation period[blank_end] - No symptoms [blank_start]Prodromal phase[blank_end] - Mild symptoms [blank_start]Invasive phase[blank_end] - Identifiable disease with dramatic microbial increase [blank_start]Decline phase[blank_end] - Reduction of microbes [blank_start]Convalescence[blank_end] - Recovery
Answer
  • Incubation period
  • Prodromal phase
  • Invasive phase
  • Decline phase
  • Convalescence

Question 55

Question
Endotoxin and Exotoxins are toxic substances secreted by bacteria and released outside the cell
Answer
  • True
  • False

Question 56

Question
Exotoxins are a toxin primarily produced by
Image:
Exotoxin (binary/octet-stream)
Answer
  • Gram-positive bacteria
  • Gram-negative bacteria

Question 57

Question
Endotoxins are toxins that are primarily produced by
Image:
Endotoxin (binary/octet-stream)
Answer
  • Gram-negative bacteria
  • Gram-positive bacteria

Question 58

Question
Exotoxins are produced when the
Image:
Exotoxin (binary/octet-stream)
Answer
  • gram-positive bacteria secreted by the living bacterial cell
  • gram-positive bacteria dies by the bacterial cell

Question 59

Question
Endotoxins are produced when the
Image:
Endotoxin (binary/octet-stream)
Answer
  • Gram-negative bacteria dies and wall breaks up
  • Gram-negative bacteria is alive during secretion

Question 60

Question
Haemolysins are lipids and proteins that cause lysis of red blood cells by destroying their cell membrane.
Answer
  • True
  • False

Question 61

Question
Alpha is a type of Haemolysin which is non-haemolytic
Answer
  • True
  • False

Question 62

Question
The three types of Haemolysins are: [blank_start]Alpha[blank_end] - Partial lysis of RBC, grey/green colour [blank_start]Beta[blank_end] - completely clear zone around colonies [blank_start]Gamma[blank_end] - Non-haemolytic
Answer
  • Alpha
  • Beta
  • Gamma

Question 63

Question
Haemolysin which causes partial lysis of RBC is called
Answer
  • Alpha
  • Beta

Question 64

Question
Haemolysin which causes complete lysis of RBC is called
Answer
  • Alpha
  • Beta

Question 65

Question
Non-Haemolysin of lysis to RBC is called
Answer
  • Alpha
  • Gamma

Question 66

Question
Microbial Biofilms consist of
Answer
  • microbes, cell debris and extra-cellular matrix
  • microbes, capsules and extra-cellular matrix

Question 67

Question
Iris diaphragm and condenser control light on a microscope
Answer
  • True
  • False

Question 68

Question
Contrast can be increased by closing the condenser diaphragm on a microscope
Answer
  • True
  • False

Question 69

Question
Select the Four principle shapes of Bacteria
Answer
  • Rods/Bacillus
  • Coccus
  • Spirals
  • Vibrio/Comma
  • Chains
  • Clusters

Question 70

Question
[blank_start]Selective media[blank_end] only allow certain bacteria to grow while inhibiting others. [blank_start]Differential media[blank_end] contain substances that will allow different bacteria to be distinguished from each other
Answer
  • Selective media
  • Differential media

Question 71

Question
- [blank_start]Mannitol Salt Agar (MSA)[blank_end] is selective for Staphylococci - high salt concentration. - [blank_start]MacConkey agar[blank_end] is a selective and differential culture medium for bacteria designed to selectively isolate Gram-negative and enteric bacilli and differentiate them based on lactose fermentation
Answer
  • Mannitol Salt Agar (MSA)
  • MacConkey agar

Question 72

Question
Mannitol Salt Agar (MSA) is selective for Staphylococci - high salt concentration.
Answer
  • True
  • False
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