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Antibiotics

Antibiotics
Streptomycin is produced by

S. aerofaciens
S. ramosus
S. griseus
S. griseoflavus

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Antibiotics
Which of the following event occurs during second phase of growth of P. chrysogenum?

Mycelial mass increases
Synthesis of penicillin is high
pH increase
Both (a) and (b)

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Antibiotics
Inoculum preparation for the fermentation medium for penicillin takes place on

rice seeds
all of these
barley seeds
wheat seeds

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Antibiotics
During which phase of growth of Penicillium chrysogenum maximum antibiotic production takes place

same in all the phases
during the third phase
during the second phase
during the first phase

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Antibiotics
Media used for the production of chlorotetracyclin consists of

sugar, corn steep liquor, CaCO3, (NH4)2SO4 and NH4 Cl
corn steep liquor, CaCO3 and (NH4)2SO4
corn steep liquor, CaCO3, (NH4)2SO4 and NH4 Cl
sugar, CaCO3 and (NH4)2SO4

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Antibiotics
pH of the fermentation medium for chlorotetracyclins is

5-6
6-7
7-8
8-9

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