Podcast
Questions and Answers
Which method can be used to isolate and obtain a pure culture of plant pathogenic fungus?
Which method can be used to isolate and obtain a pure culture of plant pathogenic fungus?
- Quantifiable method
- Spread plate method (correct)
- Non-quantifiable method
- Serial dilution method
What precautionary measure is recommended to prevent contamination during isolation of bacteria?
What precautionary measure is recommended to prevent contamination during isolation of bacteria?
- Opening the culture tubes in close proximity
- Talking in a low voice
- Flaming the needle before laying it down (correct)
- Leaving the fans on for circulation
How is a pure culture defined?
How is a pure culture defined?
- Containing multiple kinds of microorganisms
- Containing only one kind of microorganism (correct)
- Having a mix of bacteria and fungi
- Being isolated from a single source
Which activity is prohibited during the isolation of bacteria to prevent contamination?
Which activity is prohibited during the isolation of bacteria to prevent contamination?
What is the purpose of using the streak plate, pour plate, and spread plate methods for isolating bacteria?
What is the purpose of using the streak plate, pour plate, and spread plate methods for isolating bacteria?
What is the purpose of the Streak Plate Method?
What is the purpose of the Streak Plate Method?
What is the purpose of serial dilution in microbiology?
What is the purpose of serial dilution in microbiology?
What is the purpose of incubating plates in an inverted position?
What is the purpose of incubating plates in an inverted position?
In the Tissue Plating Method for fungi, what is done after mycelial growths emerge from the edges of plated tissues?
In the Tissue Plating Method for fungi, what is done after mycelial growths emerge from the edges of plated tissues?
Why is it important to seal all plates with cling wrap and masking tape before incubation?
Why is it important to seal all plates with cling wrap and masking tape before incubation?
What does CFU/mL stand for in microbiology?
What does CFU/mL stand for in microbiology?
How is 'viable' defined in the context of microbiology?
How is 'viable' defined in the context of microbiology?
What does a dilution factor of 10-1 indicate?
What does a dilution factor of 10-1 indicate?
In a pour plate with 10-2 dilution, if there are 20 colonies observed, what is the CFU/mL?
In a pour plate with 10-2 dilution, if there are 20 colonies observed, what is the CFU/mL?
What does 'Nonquantifiable' mean when referring to results from a streak plate?
What does 'Nonquantifiable' mean when referring to results from a streak plate?
Why is the concept of CFU/mL important in microbiology lab procedures?
Why is the concept of CFU/mL important in microbiology lab procedures?
