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- Question
Gram-positive bacteria, responsible for food poisoning, is/are
Options- A. Mycoplasmas
- B. Pseudomonas
- C. Clostridia
- D. all of these
- Correct Answer
- Clostridia
- 1. The active form of enzyme is
Options- A. apoenzyme
- B. coenzyme
- C. holoenzyme
- D. none of these Discuss
- 2. Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media?
Options- A. Coulter Counter
- B. Hemostat
- C. Petroff-Hausser chamber
- D. Trubidostat Discuss
- 3. The total biomass of an organism will be determined by the nutrient present in the lowest concentration relative to the organism's requirements is a statement of
Options- A. Liebig's law of the minimum
- B. Shelford's law of tolerance
- C. quorum sensing
- D. Heisenberg's principle of uncertainty Discuss
- 4. What is term used for a bacterial cell that is able to take up naked DNA?
Options- A. Complementary
- B. Liable
- C. Competent
- D. Infected Discuss
- 5. The submerged fermentation of vinegar utilizes special fermentor designs known as
Options- A. acetator
- B. cavitator
- C. packed vinegar generator
- D. both (a) and (b) Discuss
- 6. Yeasts may undergo
Options- A. alcoholic fermentation
- B. homolactic fermentation
- C. heterolactic fermentation
- D. all of these Discuss
- 7. __________ exhibit yeast-like growth at human body temperatures and mold-like growth at room temperature.
Options- A. Dimorphic fungi
- B. Black bread molds
- C. Sac fungi
- D. Water molds Discuss
- 8. Polymerase chain reaction basically consists of
Options- A. two steps
- B. three steps
- C. four steps
- D. five steps Discuss
- 9. Slimy or ropy kraut is caused by
Options- A. encapsulated varieties of Lactobacillus plantarum
- B. Lactobacillus lactis
- C. encapsulated varieties of Lactobacillus brevis
- D. none of the above Discuss
- 10. Group E phages have
Options- A. single stranded DNA
- B. double stranded DNA
- C. single stranded RNA
- D. double stranded DNA Discuss
More questions
Correct Answer: holoenzyme
Correct Answer: Trubidostat
Correct Answer: Liebig's law of the minimum
Correct Answer: Competent
Correct Answer: both (a) and (b)
Correct Answer: all of these
Correct Answer: Dimorphic fungi
Correct Answer: three steps
Correct Answer: encapsulated varieties of Lactobacillus plantarum
Correct Answer: single stranded RNA
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