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Antibiotics
Exercise: Antibiotics
📂 Antibiotics
✅
Questions for: Antibiotics
Which of the following event occurs during second phase of growth of
P. chrysogenum
?
A:
Synthesis of penicillin is high
B:
Mycelial mass increases
C:
pH increase
D:
Both (a) and (b)
Answer:
D
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Post
Streptomycin is produced by
A:
S. griseus
B:
S. griseoflavus
C:
S. aerofaciens
D:
S. ramosus
Answer:
A
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Post
High yield of chlorotetracyclin requires
A:
no aeration
B:
continuous aeration
C:
aeration which does not affect the yield
D:
controlled aeration
Answer:
B
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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
Answer:
B
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Media used for the production of chlorotetracyclin consists of
A:
sugar, corn steep liquor, CaCO
3
, (NH
4
)
2
SO
4
and NH
4
Cl
B:
corn steep liquor, CaCO
3
and (NH
4
)
2
SO
4
C:
sugar, CaCO
3
and (NH
4
)
2
SO
4
D:
corn steep liquor, CaCO
3
, (NH
4
)
2
SO
4
and NH
4
Cl
Answer:
A
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