Explore topic-wise MCQs in Microbiology.

This section includes 105 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.

101.

Which of the following is an indirect method for measuring bacterial growth?

A. Cell count
B. Cell mass
C. Cell activity
D. Both Cell mass and Cell activity
Answer» D. Both Cell mass and Cell activity
Discussion
102.

Which of the following method is used for viable count of a culture?

A. Direct microscopic count
B. Plate-count method
C. Membrane-filter count
D. Plate-count method and membrane-filter count
Answer» E.
Discussion
103.

Which of the following is the relationship between optical density and cell mass?

A. exponentially proportional
B. linearly proportional
C. inversely proportional
D. not related
Answer» C. inversely proportional
Discussion
104.

Which of the following instrument is used for bacterial count?

A. Petroff-Hausser counting chamber
B. Microscope
C. Chemostat
D. Turbidostat
Answer» B. Microscope
Discussion
105.

The number of bacteria per ml depends on the dilution of the sample.

A. True
B. False
C. May be
D. Can't say
Answer» B. False
Discussion