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- Question
Fungal amylases using stationary culture with wheat bran utilizes
Options- A. A. oryzae
- B. A. niger
- C. A. flavus
- D. S. cerevisiae
- Correct Answer
- A. oryzae
- 1. 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
- 2. 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
- 3. Pectinase, an enzyme used for increasing yield and for clarifying juice is obtained by
Options- A. A. oryzae
- B. A. niger
- C. A.flavus
- D. all of these Discuss
- 4. Species of the genus Streptomyces are known for
Options- A. the production of antibiotics
- B. the production of beer
- C. the production of cheese
- D. nitrification Discuss
- 5. A major organism used in commercial bioleaching for copper recovery is
Options- A. Desulfovibrio desulfuricans
- B. Pseudomonas aeruginosa
- C. Aspergillus niger
- D. Thiobacillus ferrooxidans Discuss
- 6. Chlorotetracycline a broad spectrum antibiotic is produced by
Options- A. Streptomyces aureofaciens
- B. Streptomyces rimosus
- C. Streptomyces venezuelae
- D. Streptomyces erythreus Discuss
- 7. 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
- 8. 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 Discuss
- 9. 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
- 10. The 95% ethanol is equivalent to
Options- A. 190 proof
- B. 110 proof
- C. 170 proof
- D. 120 proof Discuss
Industrially Useful Microbial Processes problems
Search Results
Correct Answer: Lactobacillus bulgaricus
Correct Answer: Rhizopus oryzae
Correct Answer: all of these
Correct Answer: the production of antibiotics
Correct Answer: Thiobacillus ferrooxidans
Correct Answer: Streptomyces aureofaciens
Correct Answer: aerobic process
Correct Answer: 4% acetic acid
Correct Answer: Both (a) and (b)
Correct Answer: 190 proof
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