Pharmacy Practice MCQ- Microbiology

Pharmacy Practice MCQ, in this article we will solve, Practice MCQ under subject microbiology. Read following article for your reference.

Quantitative Measurement Of Bacterial Growth (Total & Viable Count) » PHARMACAREERS

Which method involves counting bacteria directly under a microscope?
- A) Turbidity Measurement
- B) Direct Microscopic Count
- C) Electronic Enumeration
- D) Plate Count Method
What is a disadvantage of the Direct Microscopic Count method?
- A) Quick and straightforward
- B) Requires a high concentration of bacteria
- C) Automated and rapid
- D) Reduces human error
Which method uses an electronic device to count cells as they pass through a small orifice?
- A) Turbidity Measurement
- B) Direct Microscopic Count
- C) Electronic Enumeration
- D) Plate Count Method
What is a primary advantage of the Electronic Enumeration method?
- A) Expensive equipment
- B) Automated and rapid
- C) Cannot differentiate between live and dead cells
- D) Requires sample preparation
Which method measures the cloudiness of a bacterial suspension using a spectrophotometer?
- A) Turbidity Measurement
- B) Direct Microscopic Count
- C) Electronic Enumeration
- D) Plate Count Method
What is a disadvantage of the Turbidity Measurement method?
- A) Quick and straightforward
- B) Provides an immediate count of bacteria
- C) Cannot distinguish between live and dead cells
- D) Automated and rapid
Which method involves spreading a known volume of a diluted bacterial sample over the surface of a solid agar plate?
- A) Spread Plate Method
- B) Pour Plate Method
- C) Membrane Filtration
- D) Most Probable Number (MPN) Method
What does the Spread Plate Method provide?
- A) Total count of cells
- B) Count of viable cells capable of forming colonies
- C) Automated count
- D) Indirect count
Which method involves mixing the bacterial sample with molten agar before pouring it into the plate?
- A) Spread Plate Method
- B) Pour Plate Method
- C) Membrane Filtration
- D) Most Probable Number (MPN) Method
What is the purpose of the Membrane Filtration method?
- A) To count bacteria directly under a microscope
- B) To trap bacteria on a filter and place it on a solid agar medium
- C) To measure the cloudiness of a bacterial suspension
- D) To count cells electronically
Which method is used for samples with low bacterial counts and involves statistical estimation?
- A) Spread Plate Method
- B) Pour Plate Method
- C) Membrane Filtration
- D) Most Probable Number (MPN) Method
What is a key advantage of the Most Probable Number (MPN) Method?
- A) Provides an immediate count of bacteria
- B) Useful for samples with low bacterial counts
- C) Automated and rapid
- D) Requires expensive equipment
Which method uses a specialized counting chamber, such as a Petroff-Hausser counting chamber?
- A) Turbidity Measurement
- B) Direct Microscopic Count
- C) Electronic Enumeration
- D) Plate Count Method
What is the main disadvantage of the Direct Microscopic Count method?
- A) Quick and straightforward
- B) Cannot distinguish between live and dead cells
- C) Automated and rapid
- D) Reduces human error
Which method involves counting colonies that develop on plates after serial dilution?
- A) Spread Plate Method
- B) Pour Plate Method
- C) Plate Count Method
- D) Membrane Filtration
What is the primary purpose of the Plate Count Method?
- A) To count total cells
- B) To count viable and culturable cells
- C) To measure turbidity
- D) To count cells electronically
Which method is described as automated and rapid, reducing human error and subjectivity?
- A) Turbidity Measurement
- B) Direct Microscopic Count
- C) Electronic Enumeration
- D) Plate Count Method
What is a disadvantage of the Electronic Enumeration method?
- A) Quick and straightforward
- B) Requires a high concentration of bacteria
- C) Expensive equipment
- D) Provides an immediate count of bacteria
Which method is used to estimate the number of viable bacteria based on the pattern of positive and negative tubes?
- A) Spread Plate Method
- B) Pour Plate Method
- C) Membrane Filtration
- D) Most Probable Number (MPN) Method
What is the main advantage of the Turbidity Measurement method?
- A) Quick and straightforward
- B) Provides an immediate count of bacteria
- C) Automated and rapid
- D) Reduces human error
Which method involves passing the bacterial suspension through a small aperture?
- A) Turbidity Measurement
- B) Direct Microscopic Count
- C) Electronic Enumeration
- D) Plate Count Method
What is the primary disadvantage of the Turbidity Measurement method?
- A) Quick and straightforward
- B) Cannot distinguish between live and dead cells
- C) Automated and rapid
- D) Reduces human error
Which method is useful for samples with low bacterial counts and involves trapping bacteria on a filter?
- A) Spread Plate Method
- B) Pour Plate Method
- C) Membrane Filtration
- D) Most Probable Number (MPN) Method
What is the purpose of the Spread Plate Method?
- A) To count total cells
- B) To count viable cells capable of forming colonies
- C) To measure turbidity
- D) To count cells electronically
Which method involves inoculating multiple tubes with different dilutions and recording the presence or absence of growth?
- A) Spread Plate Method
- B) Pour Plate Method
- C) Membrane Filtration
- D) Most Probable Number (MPN) Method
What is a key advantage of the Plate Count Method?
- A) Provides an immediate count of bacteria
- B) Useful for samples with low bacterial counts
- C) Provides an estimate of viable and culturable cells
- D) Requires expensive equipment
Which method uses a spectrophotometer to measure the amount of light that passes through a bacterial suspension?
- A) Turbidity Measurement
- B) Direct Microscopic Count
- C) Electronic Enumeration
- D) Plate Count Method
What is the main disadvantage of the Direct Microscopic Count method?
- A) Quick and straightforward
- B) Cannot distinguish between live and dead cells
- C) Automated and rapid
- D) Reduces human error
Which method involves counting bacteria directly under a microscope using a specialized counting chamber?
- A) Turbidity Measurement
- B) Direct Microscopic Count
- C) Electronic Enumeration
- D) Plate Count Method
What is the primary purpose of the Most Probable Number (MPN) Method?
- A) To count total cells
- B) To estimate the number of viable bacteria
- C) To measure turbidity
- D) To count cells electronically

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