Flavor can be enhanced from the L-Alanine D-L-Alanine L-Aspartic acid all of the

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Question
Flavor can be enhanced from the
Options
A. L-Alanine
B. D-L-Alanine
C. L-Aspartic acid
D. all of these

Correct Answer

all of these

Industrially Useful Microbial Processes problems

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1. "Vinegar mother" in Orleans process is
Options
A. inoculum of acetobacter bacteria used
B. considerable slime and film growth of Acetobacter bacteria on the surface of the alcoholic broth
C. cellulosic strands produced by Acetobacter bacteria to hold cells together
D. none of the above

Discuss

Correct Answer: considerable slime and film growth of Acetobacter bacteria on the surface of the alcoholic broth

2. The organisum used for production of streptomycin is
Options
A. Streptomyces rimosus
B. Streptomyces griseus
C. Streptomyces aureofaciens
D. Streptomyces erythreus

Discuss

Correct Answer: Streptomyces griseus

3. The present day high yielding penicillin are obtained from
Options
A. Penicillium chrysogenum (NRRL, 1951)
B. Penicillium chrysogenum (Q-176)
C. Penicillium chrysogenum (Q-179)
D. none of the above

Discuss

Correct Answer: Penicillium chrysogenum (Q-176)

4. 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

Correct Answer: Both (a) and (b)

5. 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

Correct Answer: cobalt chloride

6. Which of the following organisms have shown the ability of phosphate solubilization in red wine?
Options
A. S.cerevisiae
B. Gluconobacter oxydans
C. Bacillus subtilis
D. None of these

Discuss

Correct Answer: Gluconobacter oxydans

7. The organism commercially used for fungal fermentation to obtain citric acid is
Options
A. A. oryzae
B. A.flavus
C. A. niger
D. S. cerevisiae

Discuss

Correct Answer: A. niger

8. Which of the following are commercially used for bacterial amylases production?
Options
A. Bacillus subtilis
B. Bacillus diastaticus
C. Clostridium acetobutylicum
D. Both (a) and (b)

Discuss

Correct Answer: Both (a) and (b)

9. Cephalosporin an antibiotic closely related to penicillin in structure and antibiotic activity are produced by species of
Options
A. Cephalosporium
B. Cephalospodium
C. Pseudomonas
D. Bacillus

Discuss

Correct Answer: Cephalospodium

10. The sulphite waste liquor fermentation employs use of Candida utilis because of its ability to ferment
Options
A. sucrose
B. pentose
C. glucose
D. maltose

Discuss

Correct Answer: pentose

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