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- Question
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
- Correct Answer
- Plant cells are less sensitive to shear than microbial cells
- 1. The major route for incorporation of ammonia (NH4+) into organic compounds is via
Options- A. reduction of pyruvate or alpha-ketoglutarate by enzymes
- B. atmospheric nitrogen fixation
- C. oxidation of pyruvate
- D. all of these Discuss
- 2. RNA that is complementary to a segment of another RNA molecule to which it will bind is known as
Options- A. missense RNA
- B. antisense RNA
- C. nonsense RNA
- D. none of these Discuss
- 3. The enzyme that catalyzes the synthesis of DNA is called
Options- A. DNA polymerase
- B. DNA gyrase
- C. DNA ligase
- D. helicase Discuss
- 4. Which of the following is used by microbial genetisists as a tool?
Options- A. Bacteriophage
- B. Plasmids
- C. Transposable elements
- D. All of these Discuss
- 5. Nutrient content and biological structures are considered as
Options- A. implicit factor for microbial growth
- B. intrinsic factor for microbial growth
- C. processing factor
- D. none of the above Discuss
- 6. West Nile virus can cause a disease in human beings that may be transmitted from an infected bird to a person by a mosquito. This is an example of
Options- A. endogenous infection
- B. fomite borne disease
- C. arthropod borne disease
- D. nosocomial infection Discuss
- 7. Denitrification is carried out
Options- A. usually by facultative anaerobes
- B. predominantly by Pseudomonas spp
- C. predominantly by Bacillus spp
- D. all of the above Discuss
- 8. Quantitative measurement of bacterial growth can be carried out by measuring
Options- A. cell count
- B. cell mass
- C. cell activity
- D. all of these Discuss
- 9. Which of the following bacteria is moderately saccharolytic?
Options- A. Bacteriodes fragilis
- B. B gingivalis
- C. B melaninogenicus
- D. B levii Discuss
- 10. During exponential growth, the growth rate is
Options- A. number of generations per unit time
- B. reciprocal of generation time
- C. both (a) and (b)
- D. none of these Discuss
More questions
Correct Answer: reduction of pyruvate or alpha-ketoglutarate by enzymes
Correct Answer: antisense RNA
Correct Answer: DNA polymerase
Correct Answer: All of these
Correct Answer: intrinsic factor for microbial growth
Correct Answer: arthropod borne disease
Correct Answer: all of the above
Correct Answer: all of these
Correct Answer: B melaninogenicus
Correct Answer: reciprocal of generation time
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