Industrial Micro Biology Multiple Choice Questions And Answers

21. The most commonly used microorganism in alchohol fermentation is
a. A spergilus niger
b. Bacillus subtilis
c. Sacharomyces cerevisiae
d. Escherichia coli
Ans: A

22. Vitamin B12 can be estimated and determined by using organism
a. Lactobacillus sps
b. Lactobacillus Leichmanni
c. Bacillus subtilis
d. E.Coli
Ans: B

23. Batch fermentation is also called
a. Closed system
b. Open system
c. Fed-Batch system
d. Sub-merger system
Ans: A

24. To differentiate lactose and non-lactose fermentors the medium used is
a. Mac Conkey’s medium
b. Stuart’s medium
c. Sugar medium
d. Citrate medium
Ans: A

25. The micro-organism useful for fermentation are
a. Bacteria
b. Yeast
c. Fungi
d. None of these
Ans: B

26. Industrial microbiology, mainly depends on the phenomenon
a. Pasteurisation
b. Fermentation
c. Vaccination
d. Both b and c
Ans: B

27. Streptokinase is also termed as
a. Fibrionolysin
b. Catalase
c. Coagulase
d. Hyaluronidase
Ans: A

28. Streptokinase is produced by
a. Staphylococcus aureus
b. Streptococcus pneumoniae
c. Str. faecalis
d. Str. pyogenes
Ans: D

29. Large vessel containing all the parts and condition necessary for the growth of desired microorganisms is called
a. Bio reactor
b. Auto reactor
c. Impeller
d. None of these
Ans: A

30. Basic principle in industrial microbiology is
a. Suitable growth conditions
b. Fermentation
c. Providing aseptic conditions
d. All of these
Ans: B

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