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- Question
In the pour plate method, the mixed culture is diluted directly in tubes of
Options- A. liquid agar medium
- B. sterile liquid usually water
- C. both (a) and (b)
- D. none of these
- Correct Answer
- liquid agar medium
- 1. The straightforward method of binary fission explains how bacteria
Options- A. grow in nutrient agar
- B. evolve
- C. move
- D. reproduce Discuss
- 2. Slippery pickles occur due to
Options- A. growth of encapsulated bacteria
- B. broken scums of film yeasts on the surface of brine
- C. addition of high amount of salt
- D. both (a) and (b) Discuss
- 3. Implicit factors
Options- A. depend on developing microflora
- B. can be synergistic
- C. both (a) and (b)
- D. none of the above Discuss
- 4. The most popular method for typing of Pseudomonas aeruginosa is
Options- A. antibiogram
- B. serotyping
- C. bacteriophage
- D. pyocin Discuss
- 5. The endosymbiosis hypothesis provides an explanation for how
Options- A. eukaryotes developed from prokayotes
- B. prokaryotes developed from eukaryotes
- C. algae developed from protozoa
- D. protozoa developed from algae Discuss
- 6. The early assay employed for measuring penicillin activity were based upon the quantity required to prevent growth of S. aureus over
Options- A. 20 mm diameter zone using the cylinder plate method of assay
- B. 24 mm diameter zone using the cylinder plate method of assay
- C. 200 mm diameter zone using the cylinder plate method of assay
- D. None of the above Discuss
- 7. The Sarcina sickness of beer, caused by Pedicoccus cerevisiae, is characterized by
Options- A. sourness
- B. turbidity
- C. popiness
- D. all of these Discuss
- 8. Both strands of DNA serve as templates concurrently in
Options- A. replication
- B. excision repair
- C. mismatch repair
- D. none of these Discuss
- 9. Each of the 3 virulence factors of Bacillus anthracis i.e. the capsule, edema toxin and lethal toxin can affect the activity of
Options- A. B cells
- B. macrophages
- C. ciliated epithelial cells
- D. M cells Discuss
- 10. "Vinegar mother" in Orleans process is
Options- A. inoculum of acetobacter bacteria used
- B. considerable slime and film growth of Acetobacter bacteria on the surface of the alcoholic broth
- C. cellulosic strands produced by Acetobacter bacteria to hold cells together
- D. none of the above Discuss
More questions
Correct Answer: reproduce
Correct Answer: both (a) and (b)
Correct Answer: both (a) and (b)
Correct Answer: pyocin
Correct Answer: eukaryotes developed from prokayotes
Correct Answer: 24 mm diameter zone using the cylinder plate method of assay
Correct Answer: all of these
Correct Answer: replication
Correct Answer: macrophages
Correct Answer: considerable slime and film growth of Acetobacter bacteria on the surface of the alcoholic broth
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