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MCQs

Total Questions : 196 | Page 14 of 20 pages
Question 131. West Nile virus can cause a disease in human beings that may be transmitted from an infected bird to a person by a mosquito. This is an example of
  1.    nosocomial infection
  2.    arthropod borne disease
  3.    fomite borne disease
  4.    endogenous infection
 Discuss Question
Answer: Option B. -> arthropod borne disease
Question 132. The two major components of viruses are
  1.    nucleic acid and protein
  2.    fat and protein
  3.    fat and carbohydrate
  4.    carbohydrate and nucleic acid
 Discuss Question
Answer: Option A. -> nucleic acid and protein
Question 133. The transcription of the viral nucleic acid into mRNA is not necessary in case of
  1.    ss DNA viruses
  2.    RNA viruses
  3.    ds DNA viruses
  4.    all of these
 Discuss Question
Answer: Option B. -> RNA viruses
Question 134. The microbes which are most likely to be completely dependent on a plant or animal host are
  1.    viruses
  2.    fungi
  3.    bacteria
  4.    algae
 Discuss Question
Answer: Option A. -> viruses
Question 135. What does the positive strand in double stranded RNA viruses stands for?
  1.    None of these
  2.    tRNA
  3.    mRNA
  4.    rRNA
 Discuss Question
Answer: Option C. -> mRNA
Question 136. The reovirus and influenza virus contain
  1.    10 different segments of dsRNA and 8 different segments of ssRNA respectively
  2.    8 different segments of dsRNA and 10 different segments of ssRNA respectively
  3.    7 different segments of dsRNA and 5different segments of ssRNA respectively
  4.    5 different segments of dsRNA and 7 different segments of ssRNA respectively
 Discuss Question
Answer: Option A. -> 10 different segments of dsRNA and 8 different segments of ssRNA respectively
Question 137. Interanuclear inclusion bodies are found in cells infected with
  1.    Adenoviruses
  2.    Herpesviruses
  3.    Parvoviruses
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 138. Which of the following characteristics would not be used to classify viruses?
  1.    Presence of an envelope
  2.    Type of cell wall structure
  3.    Type of nucleic acid
  4.    Symmetry
 Discuss Question
Answer: Option B. -> Type of cell wall structure
Question 139. Which type of interferon is produced by T lymphocytes?
  1.    γ
  2.    γ and β
  3.    α
  4.    β
 Discuss Question
Answer: Option A. -> γ
Question 140. The predominant lipid substance found in the viral envelope is
  1.    phospholipids
  2.    glycolipids
  3.    neutral fat
  4.    all of these
 Discuss Question
Answer: Option A. -> phospholipids

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