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This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
1. |
The X factor and/or the V factor is required by which genus of bacteria? |
A. | Pasteurella |
B. | Haemophilus |
C. | Actinobacillus |
D. | Zymomonas |
Answer» C. Actinobacillus | |
2. |
Among the given families, which family contains organisms that are non-motile? |
A. | Enterobacteriaceae |
B. | Vibrionaceae |
C. | Pseudomonadaceae |
D. | Pasteurellaceae |
Answer» E. | |
3. |
Which of the following genus shows the characteristic of bioluminescence? |
A. | Aeromonas |
B. | Zymomonas |
C. | Vibrio |
D. | Haemophilus |
Answer» D. Haemophilus | |
4. |
The family Vibrionaceae is _________________ |
A. | oxidase-positive |
B. | oxidase-negative |
C. | coccus shaped |
D. | non-motile |
Answer» B. oxidase-negative | |
5. |
Which of the following is the causative agent of the plague? |
A. | Y.enterocolitica |
B. | Y.pestis |
C. | P.mirabilis |
D. | E.coli |
Answer» C. P.mirabilis | |
6. |
WHICH_OF_THE_FOLLOWING_GENUS_SHOWS_THE_CHARACTERISTIC_OF_BIOLUMINESCENCE??$ |
A. | Aeromonas |
B. | Zymomonas |
C. | Vibrio |
D. | Haemophilus |
Answer» D. Haemophilus | |
7. |
The X factor and/or the V factor is required by which genus of bacteria?$ |
A. | Pasteurella |
B. | Haemophilus |
C. | Actinobacillus |
D. | Zymomonas |
Answer» C. Actinobacillus | |
8. |
Among the given families, which family contains organisms that are non-motile? |
A. | Enterobacteriaceae |
B. | Vibrionaceae |
C. | Pseudomonadaceae |
D. | Pasteurellaceae |
Answer» E. | |
9. |
The family Vibrionaceae is ________________? |
A. | oxidase-positive |
B. | oxidase-negative |
C. | coccus shaped |
D. | non-motile |
Answer» B. oxidase-negative | |
10. |
Which of the following is the causative agent of plague? |
A. | Y.enterocolitica |
B. | Y.pestis |
C. | P.mirabilis |
D. | E.coli |
Answer» C. P.mirabilis | |
11. |
Which of the following genus of bacteria under the family Enterobacteriaceae is mainly associated with plants? |
A. | Erwinia |
B. | Serratia |
C. | Proteus |
D. | Yersinia |
Answer» B. Serratia | |
12. |
Enterobacter sp. gives negative result for Voges-Proskauer test. |
A. | True |
B. | False |
Answer» C. | |
13. |
Which of the following genus of bacteria causes gastroenteritis in humans? |
A. | Salmonella |
B. | Enterobacter |
C. | Escherichia |
D. | Shigella |
Answer» D. Shigella | |
14. |
Enterobacteriaceae possesses endoflagella. |
A. | True |
B. | False |
Answer» C. | |
15. |
What is the cell shape of the organisms belonging to the family Enterobacteriaceae? |
A. | vibrio |
B. | coccus |
C. | bacillus |
D. | straight rod |
Answer» E. | |
16. |
The cell diameter of bacteria belonging to family Enterobacteriaceae is ____________ |
A. | 1 m |
B. | 1 cm |
C. | .3-1.5 micrometre |
D. | 5 micrometre |
Answer» D. 5 micrometre | |