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ANTIBIOTICS

Antibiotics
Which of the following organism(s) produce(s) tetracycline?

Nocardia sulphurea
Steptomyces ramosus
Steptomyces aureofaciens
All of these

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Antibiotics
Media used for the production of chlorotetracyclin consists of

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

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Antibiotics
Which of the following precursor is added in the medium to get penicillin G?

Ammonium chloride
Phenyl acetic acid
Phenyl carbamic acid
Ammonium sulphate

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Antibiotics
High yield of chlorotetracyclin requires

aeration which does not affect the yield
controlled aeration
no aeration
continuous aeration

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Antibiotics
Streptomycin is produced by

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

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