
Bacterial Streaking Techniques and Practices
Interactive Video
•
Biology, Science
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of using agar plates in bacterial streaking?
To separate bacteria into individual colonies
To provide nutrients for bacterial growth
To sterilize the bacteria
To change the color of the bacteria
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do scientists use the appearance of bacterial colonies?
To determine the age of the bacteria
To identify different bacterial species
To measure the growth rate of bacteria
To assess the nutritional needs of bacteria
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the analogy used to explain the streaking technique?
Drawing with a pencil
Sculpting with clay
Painting with a brush
Writing with a pen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of sterilizing the loop between streaks?
To dilute the bacteria effectively
To prevent the loop from breaking
To change the color of the loop
To cool down the loop
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT needed for the streaking process?
Paintbrush
Sterile loops
70% ethanol
Agar plate
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to label the bottom of the agar plate?
To ensure the plate is sterile
To identify the type of bacteria
To make the plate look organized
To prevent the lid from being switched
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if you accidentally touch the loop to something?
Wipe the loop with a cloth
Discard the loop and get a new one
Sterilize the loop with water
Continue using the same loop
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