1322730
Frage 1
Frage
Direct cell counts can be divided into 2. Total count and viable count
Antworten
- True
- False
Frage 2
Frage
Total count measure the total number of dead cells
Antworten
- True
- False
Frage 3
Frage
A bacillus bacteria is spherical
Antworten
- True
- False
Frage 4
Frage
A cocci bacteria is round
Antworten
- True
- False
Frage 5
Frage
Before gram staining bacteria is colourless
Antworten
- True
- False
Frage 6
Frage
Gram negative bacteria is susceptible to antibiotics and antibacterial agents
Antworten
- True
- False
Frage 7
Frage
The gram positive cell wall is more complex than gram negative's cell wall
Antworten
- True
- False
Frage 8
Frage
Aseptic refers to a procedure performed under sterile conditions
Antworten
- True
- False
Frage 9
Frage
Gram negative has a thin layer of peptidoglycan
Antworten
- True
- False
Frage 10
Frage
A pathogen is a disease causing micro-organism
Antworten
- True
- False
Frage 11
Frage
A colony of bacteria arises from more than one bacteria
Antworten
- True
- False
Frage 12
Frage
An air filter bubbles air through the fermenter
Antworten
- True
- False
Frage 13
Frage
A secondary metabolite is produced after an exponential growth of fungus is complete
Antworten
- True
- False
Frage 14
Frage
Other methods of measuring bacteria growth includes haemocytometer and turbidmetry
Antworten
- True
- False
Frage 15
Frage
Facultative anaerobes grow better in presence of oxygen however they can also grow in absence of oxyegen
Antworten
- True
- False
Frage 16
Frage
Optimum temperature for mammalian pathogens is 25 degrees celsius.
Antworten
- True
- False
Frage 17
Frage
Radiation such as gamma rays is used to sterile plastic equipment
Antworten
- True
- False
Frage 18
Frage
Glass cannot be sterilised in an autoclave
Antworten
- True
- False
Frage 19
Frage
Gram negative bacteria is a purple colour after staining because it has a thick layer of peptidoglycan
Antworten
- True
- False
Frage 20
Frage
After sterilising the work surface, the cap of the culture bottle can be placed down
Antworten
- True
- False
Frage 21
Frage
Seal petri dish and lid all the way around
Antworten
- True
- False
Frage 22
Frage
Sterilise all equipment in boiling water for at least 15 minutes before use.
Antworten
- True
- False
Frage 23
Frage
After innoculation leave the lid of the petri dish for a few minutes
Antworten
- True
- False
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