WJEC - Microbiology - True or false

Question 1 of 23

Medal-premium 1

Direct cell counts can be divided into 2. Total count and viable count

Select one of the following:

  • True
  • False

Question 2 of 23

Medal-premium 1

Total count measure the total number of dead cells

Select one of the following:

  • True
  • False

Question 3 of 23

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A bacillus bacteria is spherical

Select one of the following:

  • True
  • False

Question 4 of 23

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A cocci bacteria is round

Select one of the following:

  • True
  • False

Question 5 of 23

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Before gram staining bacteria is colourless

Select one of the following:

  • True
  • False

Question 6 of 23

Medal-premium 1

Gram negative bacteria is susceptible to antibiotics and antibacterial agents

Select one of the following:

  • True
  • False

Question 7 of 23

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The gram positive cell wall is more complex than gram negative's cell wall

Select one of the following:

  • True
  • False

Question 8 of 23

Medal-premium 1

Aseptic refers to a procedure performed under sterile conditions

Select one of the following:

  • True
  • False

Question 9 of 23

Medal-premium 1

Gram negative has a thin layer of peptidoglycan

Select one of the following:

  • True
  • False

Question 10 of 23

Medal-premium 1

A pathogen is a disease causing micro-organism

Select one of the following:

  • True
  • False

Question 11 of 23

Medal-premium 1

A colony of bacteria arises from more than one bacteria

Select one of the following:

  • True
  • False

Question 12 of 23

Medal-premium 1

An air filter bubbles air through the fermenter

Select one of the following:

  • True
  • False

Question 13 of 23

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A secondary metabolite is produced after an exponential growth of fungus is complete

Select one of the following:

  • True
  • False

Question 14 of 23

Medal-premium 1

Other methods of measuring bacteria growth includes haemocytometer and turbidmetry

Select one of the following:

  • True
  • False

Question 15 of 23

Medal-premium 1

Facultative anaerobes grow better in presence of oxygen however they can also grow in absence of oxyegen

Select one of the following:

  • True
  • False

Question 16 of 23

Medal-premium 1

Optimum temperature for mammalian pathogens is 25 degrees celsius.

Select one of the following:

  • True
  • False

Question 17 of 23

Medal-premium 1

Radiation such as gamma rays is used to sterile plastic equipment

Select one of the following:

  • True
  • False

Question 18 of 23

Medal-premium 1

Glass cannot be sterilised in an autoclave

Select one of the following:

  • True
  • False

Question 19 of 23

Medal-premium 1

Gram negative bacteria is a purple colour after staining because it has a thick layer of peptidoglycan

Select one of the following:

  • True
  • False

Question 20 of 23

Medal-premium 1

After sterilising the work surface, the cap of the culture bottle can be placed down

Select one of the following:

  • True
  • False

Question 21 of 23

Medal-premium 1

Seal petri dish and lid all the way around

Select one of the following:

  • True
  • False

Question 22 of 23

Medal-premium 1

Sterilise all equipment in boiling water for at least 15 minutes before use.

Select one of the following:

  • True
  • False

Question 23 of 23

Medal-premium 1

After innoculation leave the lid of the petri dish for a few minutes

Select one of the following:

  • True
  • False
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WJEC - Microbiology - True or false

inca08
Quiz by , created about 2 years ago

Quiz on WJEC - Microbiology - True or false, created by inca08 on 20/09/2014.

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inca08
Created by inca08 about 2 years ago
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