
Microbiology Quiz

Quiz
•
Biology
•
University
•
Hard
Jasmin Buenaseda
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a capsule stain?
To identify the presence of a protective layer around bacteria
To measure the size of microorganisms
To enhance the resolution of a microscope
To differentiate between gram-positive and gram-negative bacteria
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a use for darkfield microscopy?
To observe live, unstained specimens
To measure the wavelength of light
To enhance the color of stained specimens
To compare the size of different microorganisms
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between an acidic dye and a basic dye?
Acidic dyes stain the background, while basic dyes stain the cells
Acidic dyes are used for gram-positive bacteria, while basic dyes are for gram-negative
Acidic dyes enhance resolution, while basic dyes enhance magnification
Acidic dyes are used in electron microscopy, while basic dyes are used in light microscopy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one use for the TEM (Transmission Electron Microscope)?
To view the internal structure of cells
To measure the speed of light
To observe the surface of a specimen
To compare different types of stains
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a phase-contrast microscope?
To enhance contrast in transparent specimens
To measure the refractive index of materials
To magnify the color of stained samples
To differentiate between living and dead cells
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which staining technique is used to identify acid-fast bacteria?
Gram staining
Ziehl-Neelsen staining
Capsule staining
Negative staining
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using fluorescence microscopy?
To observe the natural color of specimens
To detect specific proteins or structures within cells
To measure the thickness of cell walls
To compare the density of different tissues
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