Explore topic-wise MCQs in Microbiology.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following places shows the presence of Geothermal vents?

A. Coasts of California
B. Coasts of Peru
C. Galapagos islands
D. Pacific ocean
Answer» D. Pacific ocean
Discussion
2.

Which of the following techniques can be used to separate different-size fractions of the aquatic microbial community?

A. submerged-slide technique
B. fluorescent antibody technique
C. membrane-filter technique
D. by measuring biochemical activity
Answer» D. by measuring biochemical activity
Discussion
3.

Which of the following techniques is used for identification and enumeration of algae, bacteria, protozoa?

A. Microscopic examination
B. Submerged-slide technique
C. Membrane-filter technique
D. Enrichment-culture technique
Answer» B. Submerged-slide technique
Discussion
4.

Most aquatic microorganisms can grow on the usual laboratory media.

A. True
B. False
Answer» C.
Discussion
5.

Large spiraling surface currents in the ocean that tend to aggregate and retain nutrients are known as _______________

A. benthic region
B. upwelling
C. geothermal vents
D. gyres
Answer» E.
Discussion
6.

Which of the following places shows presence of Geothermal vents?

A. Coasts of California
B. Coasts of Peru
C. Galapagos islands
D. Pacific ocean
Answer» D. Pacific ocean
Discussion
7.

Phytoplanktonic organisms are non-motile.

A. True
B. False
Answer» C.
Discussion
8.

Microbial inhabitants of the bottom region of a body of water are referred to as ________________

A. phytoplankton
B. benthic organisms
C. zooplankton
D. mycoplankton
Answer» C. zooplankton
Discussion
9.

Protozoa and other minute animal life are known as ____________________

A. plankton
B. phytoplankton
C. zooplankton
D. mycoplankton
Answer» D. mycoplankton
Discussion