Top 80+ Solved Industrial Microbiology MCQ Questions Answer
Q. The best medium for the production ofPenicillin is
a. Nutrient agar
b. Corn steep liquor
c. Sulfite waste liquor
d. Whey
Q. 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
Q. Industrial alchohol will be produced byusing starter culture
a. Top yeast
b. Middle yeast
c. Bottom yeast
d. Feeder yeast
Q. Pyruvate decarboxylase acetaldehyde + CO2 = This reaction is specially observed in
a. Lactic acid fermentors
b. Ethanol fermentors
c. Algae
d. Plants
Q. A major ingradient of penicillin production media is
a. Corn meal
b. Corn steep liquor
c. Cane steep liquor
d. None of these
Q. the outstanding example of traditionalmicrobial fermentation product is
a. Vinegar
b. Penicillin
c. Citric acid
d. Tetracyclin
Q. Which of the following involves theformation of nitrate from ammonia
a. Ammonification
b. Denitrification
c. Nitrification
d. Nitrogen fixation
Q. First genetically engineered and biotechnologically produced vaccine was against
a. AID
b. Small pox
c. Herpes simplex
d. Hepatitis B.
Q. one of the standard cloning vector widelyused in gene cloning is
a. Ti pasmid
b. EMBL 3
c. pBR 322
d. EMBL 4
Q. In alchoholic fermentation, CO2 is evolvedduring
a. Decarboxylatin of pyruvic acid
b. Formation of acetaldehyde
c. Oxidation of acetaldehyde
d. Both a and b
Q. In the industrial production of streptomycin, the secondary metabolite or byproducts is
a. Vitamin – B12
b. Vitamin – C
c. Vitamin – B6
d. Ethanol
Q. 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
Q. Vinegar fermentation involves
a. Yeasts only
b. Yeasts with lactic bacteria
c. Yeasts with acetic acid bacteria
d. Yeasts with butric acid bacteria
Q. 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
Q. By-product of acetone-butanol fermentation include
a. Riboflavin
b. Penicillin
c. Isopropanol
d. All of these