Unit 11
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Unit 12
12th Grade
•15 Qs
Unit 11
Quiz
•
Biology
•
12th Grade
•
Hard
Delphine C.
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which colony plating method is used for the separation into pure culture of organisms from mixed culture?
Streak Plate
Pour Plate
Spread Plate
Both Streak Plate and Pour Plate
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of streaking the agar plate in the streak plate method?
To dilute the bacteria
To count the number of colonies
To identify the bacteria
To solidify the agar
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are specific bacterial cells isolated in the streak plate method?
By pouring the liquid sample in the center of a Petri dish
By spreading the diluted culture on the agar surface
By streaking the inoculum over successive quadrants
By mixing the sample with the molten agar medium
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of incubating the streak plates at 37°C for 24 hours?
To examine the colonies for growth
To identify the bacteria
To separate the bacterial cell colony
To obtain a pure culture
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which colony plating method is commonly used for isolation of bacteria?
Streak Plate
Pour Plate
Spread Plate
Both Streak Plate and Pour Plate
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the pour plate method?
To dilute the bacteria
To count the number of colonies
To separate the bacterial cell colony
To identify the bacteria
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the inoculum added in the pour plate method?
By streaking the inoculum over successive quadrants
By pouring the liquid sample in the center of a Petri dish
By spreading the diluted culture on the agar surface
By mixing the sample with the molten agar medium
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