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ANTIBIOTICS

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

All of these
Nocardia sulphurea
Steptomyces ramosus
Steptomyces aureofaciens

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Antibiotics
Media used for the production of chlorotetracyclin consists of

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

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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

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

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Antibiotics
Streptomycin is produced by

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

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