Explore topic-wise MCQs in Microbiology.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.

1.

In which of the following organism does iron secreted to form stalks or ribbons attached to the cell?

A. Sphaerotilus
B. Gallionella
C. Thiobacillus
D. Streptococcus
Answer» C. Thiobacillus
2.

Thiobacillus can produce an acidity in the range of pH __________

A. 7
B. 5
C. 3
D. 1
Answer» E.
3.

Among the following which microorganism acts as a representative of fecal streptococci group?

A. Streptococcus faecalis
B. Streptococcus bovis
C. Streptococcus equinus
D. Streptococcus faecium
Answer» B. Streptococcus bovis
4.

The coliform group of bacteria includes all the __________________ bacilli.

A. aerobic
B. anaerobic
C. aerobic, non-sporulating
D. aerobic, gram-negative, non-sporulating
Answer» E.
5.

Which of the following forms of water is the most contaminated?

A. Underground water
B. Rainwater
C. Surface water
D. Water stored in ice caps
Answer» D. Water stored in ice caps