Microbiology MCQ (Quiz-5
)  

Bacteria and Gram Staining

Multiple choice questions with answer key

S. Y. B. PHARM Sem - III  (UNIT - 2)  

AS PER PCI SYLLABUS





1.Bacillus is an example of
      A) Virus


... Answer is : D) Gram positive bacteria


2. Viral genome that can become integrated into bacterial genome is called




... Answer is : C) Prophage

3. The cells having F plasmid in the chromosomes were termed as





... Answer is : A) Hfr

4. Mordant used in grams staining is




... Answer is : A) Iodine


5. Gram staining is an example for




... Answer is : D) None of these

6. Aspergillus fumigatus can infect .




... Answer is : D) Animals

7. Autolysis is done by




... Answer is : D) Lysosomes

8. The percentage of O2 required by moderate anaerobe is





... Answer is : B) 2 – 8%


9. Pigment bearing structure of bacteria are





... Answer is : A) Chromophores

10. Histones are found in




... Answer is : A) Eukaryotes

11.Amoebic dysentery in humans is caused by




... Answer is : B) Entamoeba histolytica


12.Cytochromes are




... Answer is : D) Electron acceptors

13. Recombination process occurring through the mediation of phages is




... Answer is : D) Transduction


14. Parasitic form must contain




... Answer is : C) Cell-wall

15. Following Cocci are non-motile except




... Answer is : C) Staphylo coccus

16. Enterotoxin responsible for food poisoning is secreted by




... Answer is : A) Straphylo cocci

17. A facultative anaerobic is




... Answer is : B) Ordinarily an aerobe but can grow in absence of O2


18. Interferon is formed by




... Answer is : D) All of the above

19. Spirochete is




... Answer is : A) Treponema pallidum


20. Cell wall of gram negative bacteria is




... Answer is : A) Teichoic acids are absent