6/2/202 Lab Exam 1: BIO 150 (050W) - Introductory Microbiology
1
Lab Exam 1
Due Jun 6 at 11:59pm Points 100 Questions 38
Available until Jun 6 at 11:59pm Time Limit 70 Minutes
Instructions
You'll only see one question at a time and once you have answered, you can't go back to a
previous question. There are 3 questions near the end that require a type-in response.
You should save sufficient time for those questions !!
Attempt History
Attempt Time Score
LATEST Attempt 1 69 minutes 57 out of 100 *
* Some questions not yet graded
® Correct answers will be available Jun 7 at 12am - Jun 9 at 11:59pm.
Score for this quiz: 57 out of 100 *
Submitted Jun 2 at 5:48pm
This attempt took 69 minutes.
Question 1 2..5 pts
Which of the following is used as a counterstain for the endospore
stain?
crystal
violet
carbolfuschin
https://learn.vccs.edu/courses/382389/quizzes/ 1/28
3074080
,6/2/202 Lab Exam 1: BIO 150 (050W) - Introductory Microbiology
1
methylene
blue safranin
malachite green
Question 2 2..5 pts
Which of the following may be used for cleaning microscope
lenses?
Kim wipes with soap
Kim wipes with ammonia free
Windex All of the choices shown
Lens paper with ammonia free
Windex Lens paper with bleach
Question 3 2..5 pts
The color for a negative Gram stain reaction is , whereas
the color for a negative Acid fast reaction is
purple,
blue blue,
green red,
https://learn.vccs.edu/courses/382389/quizzes/ 2/28
3074080
, 6/2/202 Lab Exam 1: BIO 150 (050W) - Introductory Microbiology
1
blue
blue, blue
purple,
red
https://learn.vccs.edu/courses/382389/quizzes/ 3/28
3074080
1
Lab Exam 1
Due Jun 6 at 11:59pm Points 100 Questions 38
Available until Jun 6 at 11:59pm Time Limit 70 Minutes
Instructions
You'll only see one question at a time and once you have answered, you can't go back to a
previous question. There are 3 questions near the end that require a type-in response.
You should save sufficient time for those questions !!
Attempt History
Attempt Time Score
LATEST Attempt 1 69 minutes 57 out of 100 *
* Some questions not yet graded
® Correct answers will be available Jun 7 at 12am - Jun 9 at 11:59pm.
Score for this quiz: 57 out of 100 *
Submitted Jun 2 at 5:48pm
This attempt took 69 minutes.
Question 1 2..5 pts
Which of the following is used as a counterstain for the endospore
stain?
crystal
violet
carbolfuschin
https://learn.vccs.edu/courses/382389/quizzes/ 1/28
3074080
,6/2/202 Lab Exam 1: BIO 150 (050W) - Introductory Microbiology
1
methylene
blue safranin
malachite green
Question 2 2..5 pts
Which of the following may be used for cleaning microscope
lenses?
Kim wipes with soap
Kim wipes with ammonia free
Windex All of the choices shown
Lens paper with ammonia free
Windex Lens paper with bleach
Question 3 2..5 pts
The color for a negative Gram stain reaction is , whereas
the color for a negative Acid fast reaction is
purple,
blue blue,
green red,
https://learn.vccs.edu/courses/382389/quizzes/ 2/28
3074080
, 6/2/202 Lab Exam 1: BIO 150 (050W) - Introductory Microbiology
1
blue
blue, blue
purple,
red
https://learn.vccs.edu/courses/382389/quizzes/ 3/28
3074080
