36.  Chlorotetracycline a broad spectrum antibiotic is produced by
A.Streptomyces aureofaciens
B.Streptomyces rimosus
C.Streptomyces venezuelae
D.Streptomyces erythreus

---

37. The production of acetic acid from ethanol is an
A.anaerobic process
B.aerobic process
C.a combination of both
D.none of the above

---

38.  Which of the following agents involve biosensors linking with electronic circuit?
A.Microorganisms
B.Microbially derived enzymes
C.Either microorganisms or microbially derived enzymes
D.Neither microorganisms nor microbially derived enzymes

---

39.  β-carotene is also known as
A.vitamin A
B.provitamin A
C.vitamin C
D.vitamin D

---

40. Vinegar is a fermentation derived food product containing not less than
A.4% acetic acid
B.15% acetic acid
C.25% acetic acid
D.6% acetic acid

---

41. The maximum concentration of ethanol that is achieved by successive distillation of fermentation broth in continuous stills is
A.60%
B.95%
C.70%
D.99%

---

42. The strain C. glutamicum can be used for the production of
A.L-ornithine
B.L-phenylalanine
C.L-glutamine
D.all of these

---