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Industrial Microbiology- Part 1
See all quizzes of Industrial Microbiology- Part 1 here:
1. The best medium for the production of
Penicillin is
a. Nutrient agar b. Corn steep liquor
c. Sulfite waste liquor d. Whey
2. Industrially important Antibiotic producing
organisms shall be isolated by
a. Disk plate method
b. Direct plate method
c. Serial dilution method
d. Crowded plate method
3. Industrial alchohol will be produced by
using starter culture
a. Top yeast b. Middle yeast
c. Bottom yeast d. Feeder yeast
4. Pyruvate decarboxylase acetaldehyde +
CO2 = This reaction is specially observed
in
a. Lactic acid fermentors
b. Ethanol fermentors
c. Algae
d. Plants
5. The pyruvate, dehydrogenase → multienzyme
complex does not occur in
a. Aerobic bacteria
b. Microphilic bacteria
c. Facultative anaerobic bacteria
d. Strictly anaerobic bacteria
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6. A major ingradient of penicillin production
media is
a. Corn meal b. Corn steep liquor
c. Cane steep liquor d. None of these
7. the outstanding example of traditional
microbial fermentation product is
a. Vinegar b. Penicillin
c. Citric acid d. Tetracyclin
8. Which of the following involves the
formation of nitrate from ammonia
a. Ammonification b. Denitrification
c. Nitrification d. Nitrogen fixation
9. First genetically engineered and biotechnologically
produced vaccine was against
a. AIDS b. Small pox
c. Herpes simplex d. Hepatitis B.
10. one of the standard cloning vector widely
used in gene cloning is
a. Ti pasmid b. EMBL 3
c. pBR 322 d. EMBL 4
11. In alchoholic fermentation, CO2 is evolved
during
a. Decarboxylatin of pyruvic acid
b. Formation of acetaldehyde
c. Oxidation of acetaldehyde
d. Both a and b
MCQs IN MICROBIOLOGY
12. In the industrial production of streptomycin,
the secondary metabolite or byproducts
is
a. Vitamin – B12 b. Vitamin – C
c. Vitamin – B6 d. Ethanol
13. Tobacco and tea leaves are fermented to
give flavour and taste. This type of
fermentation is known as
a. Alcohol fermentation
b. Curing
c. Degradation
d. Lactic acid fermentation
14. Vinegar fermentation involves
a. Yeasts only
b. Yeasts with lactic bacteria
c. Yeasts with acetic acid bacteria
d. Yeasts with butric acid bacteria
15. Carcinoma refers to
a. Malignant tumours of the connective tissue
b. Malignant tumors of the skin or mucous
membrane
c. Malignant tumours of the colon
d. Malignant tumors of the connective tissue
16. By-product of acetone-butanol fermentation
include
a. Riboflavin b. Penicillin
c. Isopropanol d. All of these
17. Transgenic animals are for improvement
of the quality of
a. Milk b. Meat
c. Eggs d. All of the above
18. Thermo resistant bacteria are important
in the preservation of foods by
a. Freezing b. Canning
c. Chemicals d. Irradiation
19. The fungus used in the industrial production
of citric acid:
a. Rhizopus Oryzac
b. Fusarium moniliformae
c. Rhizopus nigricans
d. Aspergillus nigricans
20. Penicilin is commercially produced by
a. P.notatum b. P.chrysogenum
c. P.citrinum d. P.roquefortii
21. The most commonly used microorganism
in alchohol fermentation is
a. A spergilus niger
b. Bacillus subtilis
c. Sacharomyces cerevisiae
d. Escherichia coli
22. Vitamin B12 can be estimated and
determined by using organism
a. Lactobacillus sps
b. Lactobacillus Leichmanni
c. Bacillus subtilis
d. E.Coli
23. Batch fermentation is also called
a. Closed system
b. Open system
c. Fed-Batch system
d. Sub-merger system
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
25. The micro-organism useful for fermentation
are
a. Bacteria b. Yeast
c. Fungi d. None of these
26. Industrial microbiology, mainly depends
on the phenomenon
a. Pasteurisation b. Fermentation
c. Vaccination d. Both b and c
27. Streptokinase is also termed as
a. Fibrionolysin b. Catalase
c. Coagulase d. Hyaluronidase
28. Streptokinase is produced by
a. Staphylococcus aureus
b. Streptococcus pneumoniae
c. Str. faecalis
d. Str. pyogenes
INDUSTRIAL MICROBIOLOGY
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
30. Basic principle in industrial microbiology
is
a. Suitable growth conditions
b. Fermentation
c. Providing aseptic conditions
d. All of these
31. For thorough mixing of medium of
medium and inoculum the part of
fermentor useful is
a. Shaft b. Headspace
c. Impeller d. Sparger
32. Infermentor the top portion left without
broth is called
a. Shaft b. Head space
c. Impeller d. Sparger
33. Over heating of fermentator during
fermentation is controlled by
a. Cooling jacket b. Steam
c. Cool air d. None of these
34. Antifoam agent is
a. Silicon compounds b. Corn oil
c. Soyabean oil d. All of these
