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Free download in PDF Virology Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Which of the following is false about HIV ?
[A]
It is a DNA virus
[B]
It attacks CD4 cells
[C]
Macrophages are the reservoir
[D]
It reverses CD4:CD8 ratio
Answer: It is a DNA virus
(2)
During the window period of patients with AIDS
[A]
ELISA is negative
[B]
Western blot is negative
[C]
Both ELISA and Western blot is negative
[D]
PCR is negative
Answer: Both ELISA and Western blot is negative
(3)
All the followingare characteristic opportunistic infection in AIDS EXCEPT
[A]
Crytosporidium
[B]
Kaposi sarcoma
[C]
M avium intracellulare
[D]
Aspergillosis
(4)
The best laboratory method to diagnose AIDS infection is
[A]
RIA
[B]
ELISA
[C]
Western blot test
[D]
Complement Fixation test
Answer: Western blot test
(5)
The approximate chance of infection per exposure is less in the case of
[A]
Blood trasfusion
[B]
Tissue or organ donation
[C]
Sexual contact
[D]
Transplacental transmission
(6)
Enveloped viruses mature by:
[A]
rupturing the cell membrane causing cell death and releasing the virus
[B]
incorporating cell DNA into the viral genome
[C]
allowing the recombination of RNA sequences in cells co-infected with two or more different cells
[D]
budding from the cell membrane
Answer: budding from the cell membrane
(7)
Which of the following groups of viruses grows bette rin HFDL cells than in primary monkey cells?
[A]
Rhinovirus
[B]
Enterovirus
[C]
paramyxoviruses
[D]
orthomyxovirus
(8)
Measles and mumps are examples of:
[A]
orthmyxovirus
[B]
Picornaviruses
[C]
Paramyxoviruses
[D]
Togavirus
(9)
The specimen of choice for virus isolation from a patient with suspected mumps infection is:
[A]
NP swab
[B]
stool
[C]
buccal swab
[D]
actue
(10)
California law requires PHLs to test for which of the viruses below:
[A]
Norovirus
[B]
sine flu (H1N1)
[C]
Rabies
[D]
HSV-1
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