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- Question
Reddening of meat in cooked meat broth is produced by
Options- A. C tetani
- B. C histolyticum
- C. Clostridium perfringens
- D. C sporogenes
- Correct Answer
- Clostridium perfringens
- 1. Postgates assay technique is useful in determining if a cell is viable even though it is
Options- A. incapable of cell division
- B. too small to see
- C. an obligate aerobe
- D. a thermophile Discuss
- 2. Which of the following drugs involves modification of the drug by enzymatic modification or degradation of its active element to alter its/their resistance?
Options- A. Pencillins
- B. Choloramphenicol
- C. Aminoglyosides
- D. All of these Discuss
- 3. In cellular metabolism, O2 is used
Options- A. to provide electrons for photophosphorylation
- B. in glycolysis
- C. as a terminal electron acceptor
- D. in the Krebs cycle Discuss
- 4. What is an anaerobic digester?
Options- A. New diet drink
- B. Microbe that eats hazardous waste
- C. Method to convert agricultural waste into a biogas
- D. All of the above Discuss
- 5. By which of the following means antifungal chemotherapeutic agents may affect fungi?
Options- A. Interfere with nuclear division by preventing the aggregation of microtubules needed for mitosis
- B. Interfere with normal nucleic acid synthesis
- C. Interfere with ergosterol biosynthesis and thus alter the structure of the cytoplasmic membrane as well as the function of several membrane-bound enzymes like those involved in nutrient transport and chitin synthesis
- D. all of these Discuss
- 6. Isozymes or iso enzymes are those enzyme which
Options- A. have same structural forms
- B. have different structural forms but identical catalytic properties
- C. catalyses oxidation reactions
- D. none of these Discuss
- 7. Chlorotetracycline a broad spectrum antibiotic is produced by
Options- A. Streptomyces aureofaciens
- B. Streptomyces rimosus
- C. Streptomyces venezuelae
- D. Streptomyces erythreus Discuss
- 8. Who discovered the bacteria that cause cholera?
Options- A. Pierre Berthelot
- B. Robert Koch
- C. Louis Pasteur
- D. Rudolf Virchow Discuss
- 9. Degree of compost maturity can be assesed by
Options- A. infrared technique
- B. germination test
- C. both (a) and (b)
- D. none of the above Discuss
- 10. Novobiocin can be used against
Options- A. gram +ve Staphylococci
- B. gram -ve Meningococci & Gonococci
- C. Haemophilus
- D. all of these Discuss
More questions
Correct Answer: incapable of cell division
Correct Answer: All of these
Correct Answer: as a terminal electron acceptor
Correct Answer: Method to convert agricultural waste into a biogas
Correct Answer: all of these
Correct Answer: have different structural forms but identical catalytic properties
Correct Answer: Streptomyces aureofaciens
Correct Answer: Robert Koch
Correct Answer: both (a) and (b)
Correct Answer: all of these
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