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Mcqs MBBS Exams India
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(Single Best Answer) Question 171: The serum concentration of which of the following human IgG subclass is maximum ?
A) IgG1
B) IgG2
C) IgG3
D) IgG4
Answer (Select an option above to get the answer):
(Single Best Answer) Question 172: Viruses can be isolated from clinical samples by cultivation in the following except ?
A) Tissue culture
B) Animals
C) Chemically defined media
D) Embryonated eggs
Answer (Select an option above to get the answer):
(Single Best Answer) Question 173: All of the following organisms are known to survive intracellularly except ?
A) Neisseria meningitides
B) Salmonella typhi
C) Streptococcus pyogenes
D) Legionella pneumophila
Answer (Select an option above to get the answer):
(Single Best Answer) Question 174: Virus mediated transfer of host DNA from one cell to another is known as ?
A) Transduction
B) Transformation
C) Transcription
D) Integration
Answer (Select an option above to get the answer):
(Single Best Answer) Question 175: The most common pathogens responsible for nosocomial pneumonias in the ICU are ?
A) Gram positive organisms
B) Gram negative organisms
C) Mycoplasma
D) Virus infections
Answer (Select an option above to get the answer):