Discussion
Home ‣ Microbiology ‣ Industrially Useful Microbial Processes Comments
- Question
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
- Correct Answer
- Lysine
- 1. ?-carotene is also known as
Options- A. vitamin A
- B. provitamin A
- C. vitamin C
- D. vitamin D Discuss
- 2. 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 Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. Penicillin G is also known as
Options- A. hydroxy benzyl penicillin
- B. phenoxy methyl penicillin
- C. benzyl penicillin
- D. 2-pentenyl penicillin Discuss
- 9. Why high concentration of sugars are not employed in the fermentation medium?
Options- A. Calcium lactate is not produced
- B. Calcium lactate crystallizes from the medium and slows down the process of fermentation
- C. High sugar concentration itself crystallizes
- D. None of the above Discuss
- 10. Which of the following when used in proper concentration stimulates the Ascomycetes fermentation of vitamin B12 and can be used to counteract toxicity of iron in Candida species?
Options- A. Co
- B. Ni
- C. Zn
- D. Ca Discuss
Industrially Useful Microbial Processes problems
Search Results
Correct Answer: provitamin A
Correct Answer: plant pathogens
Correct Answer: both (a) and (b)
Correct Answer: ethyl alcohol and lactic acid
Correct Answer: Lactobacillus pentosus
Correct Answer: Saccharomyces cerevisiae
Correct Answer: citric acid
Correct Answer: benzyl penicillin
Correct Answer: Calcium lactate crystallizes from the medium and slows down the process of fermentation
Correct Answer: Co
Comments
There are no comments.More in Microbiology:
Programming
Copyright ©CuriousTab. All rights reserved.