Weeks 1 and 2

Question 1 of 72

1

Both Genus and species names are either ..

Select one of the following:

underlined and bold
underlined and italicized

Explanation

Question 2 of 72

1

First letter of Genus is always

Select one of the following:

capitalized
lower case

Explanation

Question 3 of 72

1

Species designation is always

Select one of the following:

lowercase
uppercase

Explanation

Question 4 of 72

1

Which name is never abbreviated

Select one of the following:

Genus
Species

Explanation

Question 5 of 72

1

❌ of Microorganisms are harmless
❌ of Microorganisms are opportunistic
❌ of Microorganisms are overtly pathogenic

Select option below to complete the highlighted text

87%

10%

3%

Explanation

Question 6 of 72

1

Select from the dropdown lists to complete the text.

Total microbial load ( >10.13, >10.12 ) microbial cells in the body vs. ( 10.13, 10.14 ) body cells

Explanation

Question 7 of 72

1

Robert Hooke (1665) was the first person to

Select one of the following:

describe a cell
developing antisepsis for surgery

Explanation

Question 8 of 72

1

Joseph Lister (1870) was the first person to...

Select one of the following:

develop antisepsis for surgery
describe a cell

Explanation

Question 9 of 72

1

Antoni Van Leeuwinhoek was the first person to...

Select one of the following:

describe a cell
describe bacteria including their shapes

Explanation

Question 10 of 72

1

Select from the dropdown lists to complete the text.

Robert Hooke was the first person to ( describe a cell, develop antisepsis )
Joseph Lister was the first person to ( develop antisepsis, describe a bacterium )
Antoni van Leeuwenhoek was the first person to ( describe a bacterium, describe a cell )

Explanation

Question 11 of 72

1

Ignaz Semmelweis was the first to...

Select one of the following:

use handwashing in clinical practice
develop antisepsis

Explanation

Question 12 of 72

1

Select the two correct answers

Select one or more of the following:

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

Explanation

Question 13 of 72

1

Robert Koch was the first to study the following two diseases..

Select one or more of the following:

Anthrax
Tubercolosis
Chlamidia

Explanation

Question 14 of 72

1

Robert Koch found the

Select one of the following:

germ theory of disease
disproved the theory of abiogenesis

Explanation

Question 15 of 72

1

Robert Koch contributed towards staining methods for microbes

Select one of the following:

True
False

Explanation

Question 16 of 72

1

Kochs postulates (germ theory of disease)
1. Specific causative agent must ❌
2. Disease organism must ❌
3. Innoculation of culture sample into healthy animal must ❌
4. Disease organism must ❌

Select option below to complete the highlighted text

be found in every case of disease

be isolated in pure culture

produce same disease

be recovered from animal

Explanation

Question 17 of 72

1

Select the three domains of life

Select one or more of the following:

Eubacteria
Fungi
Archaea
Algae
Protozoa
Eucarya

Explanation

Question 18 of 72

1

What are the two aspects of Eubacteria

Select one or more of the following:

Gram stain positive and negative
Algae and Fungi

Explanation

Question 19 of 72

1

Select which is classified as Eucarya

Select one of the following:

Algae, Fungi, Cyanobacteria, Plants, Animals
Plants, Animals, Thermophiles, Algae, Fungi
Protozoa, Algae, Fungi, Plants, Animals

Explanation

Question 20 of 72

1

Archaea and Bacteria are

Select one of the following:

Eukaryotes
Prokaryotes

Explanation

Question 21 of 72

1

Fungi, Protozoa and Fungi are

Select one of the following:

Prokaryotes
Eukaryotes

Explanation

Question 22 of 72

1

Protozoa are

Select one of the following:

single celled Eukaryotes
single celled Prokaryotes

Explanation

Question 23 of 72

1

Fungi have a cell wall

Select one of the following:

True
False

Explanation

Question 24 of 72

1

Moulds are

Select one of the following:

Unicellular
Multicellular

Explanation

Question 25 of 72

1

Moulds reproduce

Select one of the following:

Sexually and Asexually
Budding

Explanation

Question 26 of 72

1

Yeasts are

Select one of the following:

Unicellular
Multicellular

Explanation

Question 27 of 72

1

Yeasts reproduce by

Select one of the following:

budding
sexual reproduction

Explanation

Question 28 of 72

1

Bacteria have a nuclei

Select one of the following:

True
False

Explanation

Question 29 of 72

1

A virus which infects a bacteria is called a Bacteriophage

Select one of the following:

True
False

Explanation

Question 30 of 72

1

Peptidoglycan is found in Prokaryotes cell wall (Bacteria/Eubacteria)

Select one of the following:

True
False

Explanation

Question 31 of 72

1

Prokaryotes do not reproduce by binary fission

Select one of the following:

True
False

Explanation

Question 32 of 72

1

Eukaryotes reproduce by meiosis/meitosis

Select one of the following:

True
False

Explanation

Question 33 of 72

1

Endospores are not a survival mechanism by Prokaryotes

Select one of the following:

True
False

Explanation

Question 34 of 72

1

Plasmids are small, enclosed, transferable pieces of DNA

Select one of the following:

True
False

Explanation

Question 35 of 72

1

Bacteria contain plasmids

Select one of the following:

True
False

Explanation

Question 36 of 72

1

Select from the dropdown lists to complete the text.

Gram stain positive bacteria have a ( thick, thin ) cell wall layer of peptidoglycan and teichoic acid and ( lipoteichoic, lipopolysaccharide ) acid

Explanation

Question 37 of 72

1

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Gram Negative bacteria have an outer membrane called ( lipopolysaccharide, lipoteichoic )

Explanation

Question 38 of 72

1

Select the two different types of Glycocalyx

Select one or more of the following:

slime
capsules
capsid
lipopolysaccharide

Explanation

Question 39 of 72

1

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Flagella are for ( motility, adherence ) only
Fimbriae are for ( adherence, motility ) only
Pili is for ( conjugation, motility ) and adherence

Explanation

Question 40 of 72

1

Describe this polar distribution of bacterial flagella

Select one of the following:

Monotrichous
Iophotrichous
Amphitrichous

Explanation

Question 41 of 72

1

Describe this polar distribution of bacterial flagella

Select one of the following:

Monotrichous
Iophotrichous
Amphitrichous

Explanation

Question 42 of 72

1

Describe this polar distribution of bacterial flagella

Select one of the following:

Amphitrichous
Iophotrichous
Monotrichous

Explanation

Question 43 of 72

1

What is the purpose of Bacterial Sporulation?

Select one of the following:

survival under unfavorable growth conditions
survival under favorable growth conditions

Explanation

Question 44 of 72

1

Bacteria reproduce by a process called

Select one of the following:

Binary Fission
Budding

Explanation

Question 45 of 72

1

Binary Fission is a

Select one of the following:

Asexual process
Sexual process

Explanation

Question 46 of 72

1

Binary Fission is a process of when

Select one of the following:

single cell splits into two sister cells
Two non-identical cells developed sexually

Explanation

Question 47 of 72

1

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The bacterial growth stages comprises of the ( lag, exponential ) phase to begin with, then the ( exponential, stationary ) phase, then the ( stationary, exponential ) phase, followed by the ( death/decline, stationary ) stage

Explanation

Question 48 of 72

1

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

Explanation

Question 49 of 72

1

Temperature preferences:
❌ - Growth temp. 0 - 20 degrees
❌ - Growth temp. 10 - 45 degrees
❌ - Growth temp. 45 - 85 degrees

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Psychrophiles

Mesophiles

Thermophiles

Explanation

Question 50 of 72

1

The breakdown and formation of ATP is mediated by the oxidation-redoxation(redox) reactions:
❌ - Electrons loss
❌ - Electrons gain

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Oxidation

Reductions

Explanation

Question 51 of 72

1

Fermentation produces low ATP

Select one of the following:

True
False

Explanation

Question 52 of 72

1

Respiration produces lots of ATP

Select one of the following:

True
False

Explanation

Question 53 of 72

1

Host microbes relationship:
❌ - where both members benefit
❌ - where one member benefits without harming the other
❌ - relationship where one member is harmed for the other members gain

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Mutualism

Commensalism

Parasitism

Explanation

Question 54 of 72

1

Stages of Infectious disease:
❌ - No symptoms
❌ - Mild symptoms
❌ - Identifiable disease with dramatic microbial increase
❌ - Reduction of microbes
❌ - Recovery

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Incubation period

Prodromal phase

Invasive phase

Decline phase

Convalescence

Explanation

Question 55 of 72

1

Endotoxin and Exotoxins are toxic substances secreted by bacteria and released outside the cell

Select one of the following:

True
False

Explanation

Question 56 of 72

1

Exotoxins are a toxin primarily produced by

Select one of the following:

Gram-positive bacteria
Gram-negative bacteria

Explanation

Question 57 of 72

1

Endotoxins are toxins that are primarily produced by

Select one of the following:

Gram-negative bacteria
Gram-positive bacteria

Explanation

Question 58 of 72

1

Exotoxins are produced when the

Select one of the following:

gram-positive bacteria secreted by the living bacterial cell
gram-positive bacteria dies by the bacterial cell

Explanation

Question 59 of 72

1

Endotoxins are produced when the

Select one of the following:

Gram-negative bacteria dies and wall breaks up
Gram-negative bacteria is alive during secretion

Explanation

Question 60 of 72

1

Haemolysins are lipids and proteins that cause lysis of red blood cells by destroying their cell membrane.

Select one of the following:

True
False

Explanation

Question 61 of 72

1

Alpha is a type of Haemolysin which is non-haemolytic

Select one of the following:

True
False

Explanation

Question 62 of 72

1

The three types of Haemolysins are:
❌ - Partial lysis of RBC, grey/green colour
❌ - completely clear zone around colonies
❌ - Non-haemolytic

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Alpha

Beta

Gamma

Explanation

Question 63 of 72

1

Haemolysin which causes partial lysis of RBC is called

Select one of the following:

Alpha
Beta

Explanation

Question 64 of 72

1

Haemolysin which causes complete lysis of RBC is called

Select one of the following:

Alpha
Beta

Explanation

Question 65 of 72

1

Non-Haemolysin of lysis to RBC is called

Select one of the following:

Alpha
Gamma

Explanation

Question 66 of 72

1

Microbial Biofilms consist of

Select one of the following:

microbes, cell debris and extra-cellular matrix
microbes, capsules and extra-cellular matrix

Explanation

Question 67 of 72

1

Iris diaphragm and condenser control light on a microscope

Select one of the following:

True
False

Explanation

Question 68 of 72

1

Contrast can be increased by closing the condenser diaphragm on a microscope

Select one of the following:

True
False

Explanation

Question 69 of 72

1

Select the Four principle shapes of Bacteria

Select one or more of the following:

Rods/Bacillus
Coccus
Spirals
Vibrio/Comma
Chains
Clusters

Explanation

Question 70 of 72

1

❌ only allow certain bacteria to grow while inhibiting others.
❌ contain substances that will allow different bacteria to be distinguished from each other

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Selective media

Differential media

Explanation

Question 71 of 72

1

- ❌ is selective for Staphylococci - high salt concentration.
- ❌ 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

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Mannitol Salt Agar (MSA)

MacConkey agar

Explanation

Question 72 of 72

1

Mannitol Salt Agar (MSA) is selective for Staphylococci - high salt concentration.

Select one of the following:

True
False

	Created by Jessica Bulley over 6 years ago

Lecture feedback questions from wks 1 and 2

Weeks 1 and 2

Weeks 1 and 2

Question 1 of 72

Both Genus and species names are either ..

Select one of the following:

Explanation

Question 2 of 72

First letter of Genus is always

Select one of the following:

Explanation

Question 3 of 72

Species designation is always

Select one of the following:

Explanation

Question 4 of 72

Which name is never abbreviated

Select one of the following:

Explanation

Question 5 of 72

❌ of Microorganisms are harmless ❌ of Microorganisms are opportunistic ❌ of Microorganisms are overtly pathogenic

Select option below to complete the highlighted text

Explanation

Question 6 of 72

Select from the dropdown lists to complete the text.

Total microbial load >10.13 >10.12( >10.13, >10.12 ) microbial cells in the body vs. 10.13 10.14( 10.13, 10.14 ) body cells

Explanation

Question 7 of 72

Robert Hooke (1665) was the first person to

Select one of the following:

Explanation

Question 8 of 72

Joseph Lister (1870) was the first person to...

Select one of the following:

Explanation

Question 9 of 72

Antoni Van Leeuwinhoek was the first person to...

Select one of the following:

Explanation

Question 10 of 72

Select from the dropdown lists to complete the text.

Explanation

Question 11 of 72

Ignaz Semmelweis was the first to...

Select one of the following:

Explanation

Question 12 of 72

Select the two correct answers

Select one or more of the following:

Explanation

Question 13 of 72

Robert Koch was the first to study the following two diseases..

Select one or more of the following:

Explanation

Question 14 of 72

Robert Koch found the

Select one of the following:

Explanation

Question 15 of 72

Robert Koch contributed towards staining methods for microbes

Select one of the following:

Explanation

Question 16 of 72

Kochs postulates (germ theory of disease) 1. Specific causative agent must ❌ 2. Disease organism must ❌ 3. Innoculation of culture sample into healthy animal must ❌ 4. Disease organism must ❌

Select option below to complete the highlighted text

Explanation

Question 17 of 72

Select the three domains of life

Select one or more of the following:

Explanation

Question 18 of 72

What are the two aspects of Eubacteria

Select one or more of the following:

Explanation

Question 19 of 72

Select which is classified as Eucarya

Select one of the following:

Explanation

Question 20 of 72

Archaea and Bacteria are

❌ of Microorganisms are harmless
❌ of Microorganisms are opportunistic
❌ of Microorganisms are overtly pathogenic

Total microbial load ( >10.13, >10.12 ) microbial cells in the body vs. ( 10.13, 10.14 ) body cells

Kochs postulates (germ theory of disease)
1. Specific causative agent must ❌
2. Disease organism must ❌
3. Innoculation of culture sample into healthy animal must ❌
4. Disease organism must ❌

Gram stain positive bacteria have a ( thick, thin ) cell wall layer of peptidoglycan and teichoic acid and ( lipoteichoic, lipopolysaccharide ) acid

Gram Negative bacteria have an outer membrane called ( lipopolysaccharide, lipoteichoic )