Acetic acid and lactic acid are used for __________________
Anonymous Quiz
11%
curing meats
14%
preservation of color
53%
preservation of pickles
22%
inhibiting mold growth
👍1
Which of the following microbe is used in the production of blue cheese?
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16%
Streptococcus thermophilus
37%
Lactobacillus bulgaricus
35%
Penicillium roqueforti
12%
Rhizopus stolonifer
Yeast-cell crops harvested from the vats are used to produce which of the following compounds?
Anonymous Quiz
56%
alcoholic beverages
15%
enzymes
23%
antibiotics
6%
organic acids
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What is the range of protein content in yeast cells?
Anonymous Quiz
22%
69%
35%
12-15%
34%
20-40%
10%
40-50%
👍1
Which of the following microorganism have high vitamin content?
Anonymous Quiz
14%
bacteria
38%
yeast
42%
algae
6%
protozoa
The principal microorganism for yogurt is ______________________
Anonymous Quiz
11%
Streptococcus thermophilus
16%
Leuconostoc citrovorum
61%
Lactobacillus acidophilus
11%
Streptococcus lactis
Shredded cabbage is the starting product for which of the following fermented food?
Anonymous Quiz
40%
Sauerkraut
23%
Pickles
26%
Green olives
11%
Sausage
Which of the following is not a desired characteristic of the organism to be used for industrial application?
Anonymous Quiz
56%
should produce less amount of product
17%
should be readily available
13%
should grow rapidly
15%
should be nonpathogenic
Industrial fermentation are performed in large tanks of capacity ______________
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4%
100 gal
34%
1000 gal
37%
50,000 gal
26%
10,000 gal
Solvents and enzymes are found in which of the following categories of microbial products?
Anonymous Quiz
23%
Pharmaceutical chemicals
43%
Commercially valuable chemicals
15%
Food supplements
20%
Alcoholic beverages
Which of the following enzymes cut the DNA molecule at a particular nucleotide sequence?
Anonymous Quiz
71%
restriction endonuclease
15%
exonuclease
11%
ligase
4%
polymerase
Eco R1 cuts the plasmid DNA and the donor DNA such that both the ends are same.
Anonymous Quiz
72%
True
28%
False
Transfection involves the introduction of plasmid hybrid DNA into the host cell.
Anonymous Quiz
77%
True
23%
False
Which of the following microorganism produces dextran?
Anonymous Quiz
18%
Bacillus polymyxa
31%
Bacillus thuringiensis
40%
Leuconostoc mesenteroides
11%
Streptomyces olivaceus
Which of the following carbohydrates are mainly present in whey?
Anonymous Quiz
29%
glucose
35%
lactose
25%
fructose
11%
sucrose
👍1
What temperature is necessary for the production of vinegar?
Anonymous Quiz
27%
43 degree C
35%
60 degree C
24%
10-13 degree C
15%
15-34 degree C
Which of the following product is used for the treatment of pernicious anemia?
Anonymous Quiz
11%
Insulin
38%
Streptokinase-streptodornase
47%
Cobalamin
4%
Sorbose
Microbial fermentation produces D optical isomers of the amino acids.
Anonymous Quiz
68%
True
32%
False
Which of the following raw materials are important for the production of glutamic acid?
Anonymous Quiz
28%
glycerol
41%
corn-steep liquor
21%
tryptone
9%
biotin
Insulin was isolated from which of the following organs of animals?
Anonymous Quiz
16%
small intestine
7%
tongue
75%
pancreas
2%
stomach