Discussion
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- Question
Which of the following organisms can be demonstrated with silver impregnation method?
Options- A. Vibrios
- B. Salmonella
- C. Spirochaetes
- D. Shigella
- Correct Answer
- Spirochaetes
- 1. Which of the following is incorrect?
Options- A. Plant cells are larger than the bacterial or fungus cells
- B. Plant cells tend to grow in clumps
- C. Plant cells are less sensitive to shear than microbial cells
- D. Plant cells are more genetically unstable than microbial cells Discuss
- 2. Which of the following is an abiotic elicitors?
Options- A. UV irradiation
- B. Osmotic shock
- C. Heavy metal ions
- D. All of these Discuss
- 3. Fungal amylases using stationary culture with wheat bran utilizes
Options- A. A. oryzae
- B. A. niger
- C. A. flavus
- D. S. cerevisiae Discuss
- 4. A synergistic effect is observed when
Options- A. one organism removes an inhibitory substance for another
- B. one organism produces a growth factor utilized by another
- C. microbial alteration of pH, aw, Eh favours the growth of another
- D. all of the above Discuss
- 5. High energy transfer compounds are capable of
Options- A. accepting large amounts of free energy
- B. transferring large amounts of free energy
- C. measuring free energy
- D. none of the above Discuss
- 6. Which of the following best explains about the usefulness of the production of ethanol in yeast cells under anaerobic conditions?
Options- A. Ethanol keeps the electron transport system functioning
- B. Yeast would be unable to activate the enzymes of the Krebs cycle without ethanol
- C. The process generates oxygen, which is required for glycolysis
- D. The process regenerates NAD+, which is required for glycolysis Discuss
- 7. The whole-genome shotgun sequencing approach depends primarily on
Options- A. rapidly sequencing thousands of small randomly cloned fragments
- B. methodical sequencing a few large cloned fragments of DNA
- C. sequencing the bacterial chromosome while it is still intact
- D. all of the above Discuss
- 8. Simulation of which of the following will lead to appearance of first antibody to appear following stimulation by an antigen?
Options- A. IgM
- B. IgA
- C. IgE
- D. IgG Discuss
- 9. Which of the following is most effective for sterilizing mattresses and plastic petri plates?
Options- A. Chlorine
- B. Ethylene oxide
- C. Glutaraldehyde
- D. Ultraviolet radiation Discuss
- 10. Which of the following is generally not referred to the sewerage system?
Options- A. Sanitary sewers
- B. Storm sewers
- C. Combined sewers
- D. Solid sewers Discuss
More questions
Correct Answer: Plant cells are less sensitive to shear than microbial cells
Correct Answer: All of these
Correct Answer: A. oryzae
Correct Answer: all of the above
Correct Answer: transferring large amounts of free energy
Correct Answer: The process regenerates NAD+, which is required for glycolysis
Correct Answer: rapidly sequencing thousands of small randomly cloned fragments
Correct Answer: IgM
Correct Answer: Ethylene oxide
Correct Answer: Solid sewers
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