Unit 1 Quiz 8 5
1. The relationship between two different organisms is
pathogenic
environmental
symbiosis
ubiquitous
2. Match the term to the correct definition.
- used to sterilize glassware
Bunsen burner-used
Autoclave ? to sterilize glassware
3. Which biosafety level is required for lethal microbes that are transmitted through aerosols or droplets?
Biosafety level 1
Biosafety level 3
4. Which statements) below apply to proper lab attire? Select all that apply.
Fully buttoned lab coat, long pants, and closed toed shoes.
Gloves are optional when handling samples.
No loose hanging jewelry should be worn.
Hair tied back.
5. Which laboratory equipment can be used to create the right temperature to grow bacteria?
Select all that apply.
Inoculum
Autoclave
Incubator
Refrigerator
6. The idea that microbes can exist almost anywhere is
Turbidity
symbiosis
free living
ubiquity
7. Which of the following are essential to maintain a safe working environment? Select all that apply.
Leave used lab equipment out for the next user.
Leave spill cleanup until the end
No eating or drinking.
Remove and dispose of trash.
8. Which statement best describes the purpose of aseptic technique?
Prevent exposure of lab personnel to microbes.
Prevent contamination of lab personnel, environment, equipment, and samples.
Keeping the equipment and lab bench free of contamination.
Limit exposure to the sample to contamination.
,9. Which items should be used before and after each laboratory procedure? Select all that apply.
Autoclave
Incubator
Cleaning supplies
Handwashing station
10. Match the term to the definition.
Biosafety level4-3?used
Biosafety level -labtoisstudy microbes
isolated where
from other treatments
buildings mayaccess
with strict not exist
control
Caisine
Moga
Soup
colomes bas Inargio,
, Unit 2 Quiz
1.False
The cell walls of acid-fast bacteria like Mycobacterium contain high 0 0
levels of sugars, making them resistant to certain staining techniques.
2. All the following can influence the arrangement of bacterial cells except:
the stage of growth.
the stain used.
temperature.
nutrient availability.
3. Which of the following is NOT a characteristic of Gram-negative bacteria?
outer membrane containing lipopolysaccharides.
stains pink in Gram-staining.
teichoic acids in the cell wall.
thin peptidoglycan layer.
4. Spirochetes are rod shaped bacteria that can be found in
various arrangements, including pairs, chains, and clusters.
False
5. During endospore staining, which color do endospores typically appear?
Green
6. Select all that apply.
| 1 Endospore
Which of theStain
following is used to differentiate cells based on cell wall composition?
| 1 Flagella Stain
Capsule Stain
[X] Gram Stain
7. The ability of a lens to enlarge an object is:
magnification.
8. In bright-field microscopy, what is the purpose of the condenser?
To focus the light source onto the specimen.
9. Archaea, often considered atypical, have cell walls made of
the same peptidoglycan found in typical bacterial cell walls.
False
10. Simple staining techniques can not differentiate bacteria based on their cell wall properties.
True
1. The relationship between two different organisms is
pathogenic
environmental
symbiosis
ubiquitous
2. Match the term to the correct definition.
- used to sterilize glassware
Bunsen burner-used
Autoclave ? to sterilize glassware
3. Which biosafety level is required for lethal microbes that are transmitted through aerosols or droplets?
Biosafety level 1
Biosafety level 3
4. Which statements) below apply to proper lab attire? Select all that apply.
Fully buttoned lab coat, long pants, and closed toed shoes.
Gloves are optional when handling samples.
No loose hanging jewelry should be worn.
Hair tied back.
5. Which laboratory equipment can be used to create the right temperature to grow bacteria?
Select all that apply.
Inoculum
Autoclave
Incubator
Refrigerator
6. The idea that microbes can exist almost anywhere is
Turbidity
symbiosis
free living
ubiquity
7. Which of the following are essential to maintain a safe working environment? Select all that apply.
Leave used lab equipment out for the next user.
Leave spill cleanup until the end
No eating or drinking.
Remove and dispose of trash.
8. Which statement best describes the purpose of aseptic technique?
Prevent exposure of lab personnel to microbes.
Prevent contamination of lab personnel, environment, equipment, and samples.
Keeping the equipment and lab bench free of contamination.
Limit exposure to the sample to contamination.
,9. Which items should be used before and after each laboratory procedure? Select all that apply.
Autoclave
Incubator
Cleaning supplies
Handwashing station
10. Match the term to the definition.
Biosafety level4-3?used
Biosafety level -labtoisstudy microbes
isolated where
from other treatments
buildings mayaccess
with strict not exist
control
Caisine
Moga
Soup
colomes bas Inargio,
, Unit 2 Quiz
1.False
The cell walls of acid-fast bacteria like Mycobacterium contain high 0 0
levels of sugars, making them resistant to certain staining techniques.
2. All the following can influence the arrangement of bacterial cells except:
the stage of growth.
the stain used.
temperature.
nutrient availability.
3. Which of the following is NOT a characteristic of Gram-negative bacteria?
outer membrane containing lipopolysaccharides.
stains pink in Gram-staining.
teichoic acids in the cell wall.
thin peptidoglycan layer.
4. Spirochetes are rod shaped bacteria that can be found in
various arrangements, including pairs, chains, and clusters.
False
5. During endospore staining, which color do endospores typically appear?
Green
6. Select all that apply.
| 1 Endospore
Which of theStain
following is used to differentiate cells based on cell wall composition?
| 1 Flagella Stain
Capsule Stain
[X] Gram Stain
7. The ability of a lens to enlarge an object is:
magnification.
8. In bright-field microscopy, what is the purpose of the condenser?
To focus the light source onto the specimen.
9. Archaea, often considered atypical, have cell walls made of
the same peptidoglycan found in typical bacterial cell walls.
False
10. Simple staining techniques can not differentiate bacteria based on their cell wall properties.
True
