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Worksheetsbacterial media
Total questions: 10
Worksheet time: 5mins
What is the primary purpose of microbial culture media?
To clean the laboratory
To provide nutrients for microbes to grow
To sterilize the laboratory equipment
To preserve food
Which type of media is used to grow non-fastidious bacteria like Escherichia coli?
Enriched media
Simple or basal media
Selective media
Differential media
What is the main difference between simple media and defined media?
Simple media is used for the cultivation of aerobic microorganisms
Defined media allows for the growth of fungi
Simple media has an undefined nitrogen source
Defined media contains blood serum
What additional nutrients are added to enriched media?
Agar and peptone
Carbon and nitrogen sources
Blood serum and egg yolk
Sodium chloride and beef extract
Which media is prepared by adding 5 to 10 percent of sheep blood?
Manitoba salt agar
Chocolate agar
Blood agar
McConkey agar
What is the purpose of selective media?
To suppress the growth of one category of microorganism while allowing another
To enhance the growth of all microorganisms
To change the color of the media based on chemical reactions
To provide a solid foundation for microbial growth
Which bacteria can grow on chocolate agar due to the lysis of blood cells?
Staphylococcus aureus
Escherichia coli
Haemophilus influenzae
Pseudomonas aeruginosa
What characteristic does McConkey agar use to differentiate bacteria?
Ability to produce spores
Resistance to sodium chloride
Lactose fermentation
Ability to grow in the presence of antibiotics
Which media is used for the isolation of fungi such as Candida albicans?
Saboraud's agar
Robertson's cooked meat media
Blood agar
Campylobacter agar
What is the benefit of using liquid culture media in an industrial setting?
To clean industrial equipment
To extract antibiotics from bacteria
To observe the morphology of bacteria
To produce a small amount of biomass
