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WorksheetsStreak Plates
Total questions: 7
Worksheet time: 6mins
Which of the following instruments are used to perform a streak plate.
Incinerating loop
Inoculating wire loop
Plastic loop
Sterile Plastic spreader
Which of the following instruments are used to perform a streak plate.
Incinerating loop
Bacterial (e.g. E. coli) culture
Clamp
Stock photo
After each streak on the plate with the innoculating loop, what is done to the loop?
Discarded
Re-introduced to stock culture
Flamed until loop glows
wiped with disinfectant
What does the streak technique enable us to achieve?
Direct spread and dilution of bacteria from a single colony
isolation of bacterial colonies
Visulisation of virus plaques
development of antibacterial microbes
What type of growth medium was used for the spread technique
Blood agar
Nutrient agar
Chocolate agar
MaConkey's agar
Why were the selective media (Blood/MaConkey's/Choc etc.) not necessary?
Too expensive
E. coli was already isolated
We were using only haemolytic bacteria
We were using viruses
