Discussion
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- Question
The micro-organism used for industrial production of lactic acid using corn dextrose as media is
Options- A. Lactobacillus bulgaricus
- B. Lactobacillus delbrueckii
- C. Lactobacillus pentosus
- D. Streptococcus lactis
- Correct Answer
- Lactobacillus delbrueckii
- 1. The penicillin F which was produced at first, required the mold
Options- A. Penicillium chrysogenum
- B. Pencillium notatum
- C. Pencillium chrysogenum Q-176
- D. none of the above Discuss
- 2. Invertase has its application in confectionaries to prevent crystallization of sugar. It is obtained from
Options- A. A. oryzae
- B. A. niger
- C. S. cerevisae
- D. B. subtilis Discuss
- 3. The phage components begin to assemble into mature phages only after the synthesis of
Options- A. structural protein
- B. nucleic acid
- C. Both (a) and (b)
- D. amino acids Discuss
- 4. Bacteriophages have been used widely in genetic research, since they are the smallest and simplest biological entities capable of
Options- A. self-replication
- B. duplication
- C. self-duplication
- D. multiplication Discuss
- 5. The infected cells continue to reproduce themselves as well as the virus, and the mature virions are extruded from the cell surface continuously over a long period of time. This type of release mechanism is called a
Options- A. productive infection
- B. inductive infection
- C. resultant infection
- D. all of these Discuss
- 6. The organism commonly used for the production of ? carotene is/ are
Options- A. Phycomyces blakesleeanus
- B. Cnoanephora cucurbitarum
- C. Blakeslea trispora
- D. all of these Discuss
- 7. Which of the following cephalosporin is more active than penicillin against various species of Salmonella?
Options- A. Cephalosporin N
- B. Cephalosporin C
- C. Synnematin
- D. Both (a) and (c) Discuss
- 8. Anaerobic bacteria undergoes butyric isopropyl fermentation in carbohydrates to yield
Options- A. glycol
- B. butyric acid
- C. acetic acid
- D. all of these Discuss
- 9. The precursor used for production of vitamin B12 by Streptomyces olivaceus is
Options- A. cobalt chloride
- B. cobalt sulphate
- C. calcium chloride
- D. calcium sulphate Discuss
- 10. In Corynebacterium glutamicum, tryptophan biosynthesis is regulated by the activity of
Options- A. DAHP synthetase
- B. Anthranilate synthase
- C. Both (a) and (b)
- D. Phosphoenol pyruvate Discuss
Industrially Useful Microbial Processes problems
Search Results
Correct Answer: Pencillium notatum
Correct Answer: S. cerevisae
Correct Answer: Both (a) and (b)
Correct Answer: self-replication
Correct Answer: productive infection
Correct Answer: all of these
Correct Answer: Both (a) and (c)
Correct Answer: all of these
Correct Answer: cobalt chloride
Correct Answer: Both (a) and (b)
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