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(Single Best Answer) Question 61: The serum concentration of which of the following human IgG subclass is maximum ?

A) IgG1
B) IgG2
C) IgG3
D) IgG4
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(Single Best Answer) Question 62: 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
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(Single Best Answer) Question 63: All of the following organisms are known to survive intracellularly except ?

A) Neisseria meningitides
B) Salmonella typhi
C) Streptococcus pyogenes
D) Legionella pneumophila
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(Single Best Answer) Question 64: Virus mediated transfer of host DNA from one cell to another is known as ?

A) Transduction
B) Transformation
C) Transcription
D) Integration
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(Single Best Answer) Question 65: 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
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(Single Best Answer) Question 66: Resistance units of equal size pulling against each is an example of which form of anchorage ?

A) Cortical anchorage
B) Reciprocal anchorage
C) Reinforced anchorage
D) Stationary anchorage
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(Single Best Answer) Question 67: Which of the fibres attached to cementum are most likely to contribute to relapse of tooth rotation ?

A) Apical fibers
B) Gingival group of fibers
C) Horizontal fibers
D) Oblique fibers
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(Single Best Answer) Question 68: What is the average amount of Leeway space available in the upper arch ?

A) 0.9 mm
B) 1.8 mm
C) 3.5 mm
D) 5.0 mm
Answer (Select an option above to get the answer):

(Single Best Answer) Question 69: Malocclusion characterized by retroclined central and proclined lateral incisor is ?

A) Class II Division I
B) Class II Divison II
C) Class III
D) Class I
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(Single Best Answer) Question 70: In cephalometrics, the Frankfurt's plane is constructed ?

A) Horizontally from nasion through porion
B) Horizontally from orbitale to the superior aspect of the external auditory meatus
C) Horizontally from nasion to the superior aspect of external auditory meatus
D) Vertically from orbitale through the maxillary canine
Answer (Select an option above to get the answer):