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- Question
Vinegar is a fermentation derived food product containing not less than
Options- A. 4% acetic acid
- B. 15% acetic acid
- C. 25% acetic acid
- D. 6% acetic acid
- Correct Answer
- 4% acetic acid
- 1. The production of acetic acid from ethanol is an
Options- A. anaerobic process
- B. aerobic process
- C. a combination of both
- D. none of the above Discuss
- 2. Chlorotetracycline a broad spectrum antibiotic is produced by
Options- A. Streptomyces aureofaciens
- B. Streptomyces rimosus
- C. Streptomyces venezuelae
- D. Streptomyces erythreus 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. Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media?
Options- A. Lactobacillus bulgaricus
- B. Lactobacillus delbrueckii
- C. Lactobacillus pentosus
- D. Leuconostoc mesenteroides Discuss
- 5. Which of the following microorganism produces only L(+) - lactic acid without further racemization?
Options- A. Leuconostoc mesenteroides
- B. Lactobacillus delbrueckii
- C. Rhizopus oryzae
- D. Lactobacillus bulgaricus Discuss
- 6. Which of the following Ascomycetes are used for riboflavin production?
Options- A. Eremnothecium ashbyii
- B. Ashbya gossypii
- C. Candida guilliermondia
- D. Both (a) and (b) Discuss
- 7. The 95% ethanol is equivalent to
Options- A. 190 proof
- B. 110 proof
- C. 170 proof
- D. 120 proof Discuss
- 8. Riboflavin is a by-product of __________ fermentation carried out by Clostridium spp.
Options- A. citric acid
- B. acetone butanol
- C. streptomycin
- D. ethanol Discuss
- 9. Bacitracin, an antibiotic similar to penicillin, is produced by
Options- A. Bacillus polymyxa
- B. Streptomyces erythreus
- C. Bacillus licheniformis
- D. Aspergillus fumigatus Discuss
- 10. The first penicillin isolated by Alexander Fleming, penicillin F is also called
Options- A. 2-Pentenyl Penicillin
- B. n-heptyl penicillin
- C. phenoxymethyl penicillin
- D. benzyl penicillin Discuss
Industrially Useful Microbial Processes problems
Search Results
Correct Answer: aerobic process
Correct Answer: Streptomyces aureofaciens
Correct Answer: A. oryzae
Correct Answer: Lactobacillus bulgaricus
Correct Answer: Rhizopus oryzae
Correct Answer: Both (a) and (b)
Correct Answer: 190 proof
Correct Answer: acetone butanol
Correct Answer: Bacillus licheniformis
Correct Answer: 2-Pentenyl Penicillin
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