Discussion
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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 organisum used for production of streptomycin is
Options- A. Streptomyces rimosus
- B. Streptomyces griseus
- C. Streptomyces aureofaciens
- D. Streptomyces erythreus Discuss
- 2. The Archaea include all of the following except
Options- A. methanogens
- B. halophiles
- C. thermoacidophiles
- D. cyanobacteria Discuss
- 3. The application of Gamma rays destroys botulism toxin. The dose of gamma rays required for this purpose is
Options- A. 73 Gy
- B. 73 Rad
- C. 7.3 Mrad
- D. 173 Rad Discuss
- 4. Milk is pasteurized in batch method by keeping it at
Options- A. 63°C for 30 minutes
- B. 72°C for 60 seconds
- C. 73°C for 30 minutes
- D. 72°C for 6 minutes Discuss
- 5. Who was the inventor of the Petri dish?
Options- A. R.J. Petri, an assistant of R. Koch
- B. A famous French cook
- C. Italian glass blower from Petri, Italy
- D. None of the above Discuss
- 6. The cooci which mostly occur in single or pairs are
Options- A. Streptococci
- B. Diplococci
- C. Tetracocci
- D. None of these Discuss
- 7. The larger the __________ , the better the chemotherapeutic agent.
Options- A. therapeutic index
- B. therapeutic dose
- C. selective toxicity
- D. spectrum Discuss
- 8. During which of the following process a new copy of a DNA molecule is precisely synthesized?
Options- A. Trasformation
- B. Transcription
- C. Translation
- D. Replication Discuss
- 9. Which of the following gram-negative bacteria is/are not aerobic?
Options- A. Pseudomonas
- B. Neisseria
- C. Escherichia
- D. None of these Discuss
- 10. Protein portion of an enzyme when it is combined with organic molecule is termed as
Options- A. apoenzyme
- B. co-enzyme
- C. holoenzyme
- D. co-factors Discuss
More questions
Correct Answer: Streptomyces griseus
Correct Answer: cyanobacteria
Correct Answer: 7.3 Mrad
Correct Answer: 63°C for 30 minutes
Correct Answer: R.J. Petri, an assistant of R. Koch
Correct Answer: Diplococci
Correct Answer: therapeutic index
Correct Answer: Replication
Correct Answer: Escherichia
Correct Answer: apoenzyme
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