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- Question
It is mandatory that cultures and fermentation residues be sterilized before discard in case of Eremothecium ashbyii and Ashbya gossypii because they are
Options- A. plant pathogens
- B. human pathogens
- C. plant mutants
- D. none of these
- Correct Answer
- plant pathogens
- 1. 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
- 2. During fermentation, pyruvic acid is converted into organic products such as
Options- A. glucose and fructose
- B. starch and cellulose
- C. ethyl alcohol and lactic acid
- D. citric acid and isocitric acid Discuss
- 3. The organism which utilizes the pentose of sulphite waste liquor for lactic acid production is
Options- A. Streptococcus lactis
- B. Lactobacillus bulgaricus
- C. Lactobacillus casei
- D. Lactobacillus pentosus Discuss
- 4. The organism B. brevis can be used commercially for the production of
Options- A. gramicidin A
- B. tyrothricin(bacitracin tyrocidin complex)
- C. tyrocidin
- D. all of the above Discuss
- 5. Which of the following organism is utilized for the production of D-L-alanine?
Options- A. Microbacterium ammoniaphilum
- B. Brevibacterium flavum
- C. Arthrobacter paraffineus
- D. C. glutamicum Discuss
- 6. ?-carotene is also known as
Options- A. vitamin A
- B. provitamin A
- C. vitamin C
- D. vitamin D Discuss
- 7. Which of the following is not an industrial product made by the fungus Aspergillus niger?
Options- A. Galactosidase
- B. Citric acid
- C. Gluconic acid
- D. Lysine Discuss
- 8. Alcohol production from starch and raw sugar utilizes selected strains of
Options- A. Saccharomyces cerevisiae
- B. Candida pseudotropicalis
- C. Candida utilis
- D. none of these Discuss
- 9. A major organic acid produced by a microbial process used in foods is
Options- A. sulfuric acid
- B. citric acid
- C. oxalic acid
- D. uric acid Discuss
- 10. Penicillin G is also known as
Options- A. hydroxy benzyl penicillin
- B. phenoxy methyl penicillin
- C. benzyl penicillin
- D. 2-pentenyl penicillin Discuss
Industrially Useful Microbial Processes problems
Search Results
Correct Answer: both (a) and (b)
Correct Answer: ethyl alcohol and lactic acid
Correct Answer: Lactobacillus pentosus
Correct Answer: all of the above
Correct Answer: Microbacterium ammoniaphilum
Correct Answer: provitamin A
Correct Answer: Lysine
Correct Answer: Saccharomyces cerevisiae
Correct Answer: citric acid
Correct Answer: benzyl penicillin
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