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Home ‣ Microbiology ‣ Spirochacter and Enterobacteriaceac See What Others Are Saying!
- Question
Salmonellae can also be killed by
Options- A. pasteurisation
- B. chlorination
- C. boiling
- D. all of these
- Correct Answer
- all of these
- 1. Which of the following bacteria is/are known as coliform bacilli?
Options- A. Escherichia
- B. Klebsiella
- C. Enterobacter
- D. All of these Discuss
- 2. Which of the following property(ies) is/are seen in the members of family Enterobacteriaceae?
Options- A. They are catalase-positive
- B. They are oxidase-negative
- C. They ferment glucose
- D. They reduce nitrates to nitrites Discuss
- 3. For rapid decomposition by microbes, the substrate should have a C/N ratio of
Options- A. 10-20
- B. 20-30
- C. 30-40
- D. 60-80 Discuss
- 4. Which of the following viruses show/s transformation of infected cells?
Options- A. Hepatitis B virus
- B. Human T cell lymphotronic virus type I
- C. Epstein-Barr virus
- D. All of these Discuss
- 5. Organisms are parasitic and have a resistant spore with one to six coiled polar filaments belong to which phylum of Protozoa?
Options- A. Labyinthomorpha
- B. Sarcomastigophora
- C. Apicomplexa
- D. Myxozoa Discuss
- 6. Which of the following viruses has not been associated with human cancer?
Options- A. Hepatitis C virus
- B. Hepatitis B virus
- C. Varicella-Zoster virus
- D. Herpes simplex virus type 2 Discuss
- 7. The amount of ATP produced by a cell from glucose when metabolizing it by fermentation means is
Options- A. greater than by aerobic metabolism
- B. lesser than by aerobic metabolism
- C. exactly or approximately equal to by aerobic metabolism
- D. none of these Discuss
- 8. Which of the following group is not the carbohydrate containing antibiotic?
Options- A. Streptomycin & Streptothricin
- B. Vancomycin & Moenomycin
- C. Everninomycin & Nogirimycin
- D. Erythromycin & candicidin Discuss
- 9. Canned meat and fish exhibit spoilage by
Options- A. Bacillus species
- B. Clostridium species
- C. both (a) and (b)
- D. Saccharomyces Discuss
- 10. Cell counting can be carried out by
Options- A. direct microscopic count using petroffhansser counting chamber
- B. plate counting
- C. membrane filter count
- D. all of the above Discuss
More questions
Correct Answer: All of these
Correct Answer: They are oxidase-negative
Correct Answer: 30-40
Correct Answer: All of these
Correct Answer: Myxozoa
Correct Answer: Varicella-Zoster virus
Correct Answer: lesser than by aerobic metabolism
Correct Answer: Erythromycin & candicidin
Correct Answer: both (a) and (b)
Correct Answer: all of the above
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