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Biotechnology - Antibiotics

@ : Home > Biotechnology > Antibiotics > Section 1

Exercise

  • Section 1
"I never think of the future. It comes soon enough."
- Albert Einstein
11. 

Which of the following organism(s) produce(s) tetracycline?
A. Steptomyces aureofaciens
B. Steptomyces ramosus
C. Nocardia sulphurea
D. All of these
12. 

Media used for the production of chlorotetracyclin consists of
A. sugar, corn steep liquor, CaCO3, (NH4)2SO4 and NH4 Cl
B. corn steep liquor, CaCO3 and (NH4)2SO4
C. sugar, CaCO3 and (NH4)2SO4
D. corn steep liquor, CaCO3, (NH4)2SO4 and NH4 Cl
13. 

Which of the following precursor is added in the medium to get penicillin G?
A. Phenyl carbamic acid
B. Phenyl acetic acid
C. Ammonium sulphate
D. Ammonium chloride
14. 

High yield of chlorotetracyclin requires
A. no aeration
B. continuous aeration
C. aeration which does not affect the yield
D. controlled aeration
15. 

Streptomycin is produced by
A. S. griseus
B. S. griseoflavus
C. S. aerofaciens
D. S. ramosus

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