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MCQs

Total Questions : 463 | Page 10 of 47 pages
Question 91. Which of following cells are infected by HIV?
  1.    b cells
  2.    helper t cells
  3.    macrophages
  4.    neutrophils
 Discuss Question
Answer: Option B. -> helper t cells
Answer: (b).helper t cells
Question 92. Which of following viruses causes encephalitis?
  1.    west Nile virus
  2.    Crimean congo
  3.    dengue
  4.    Ebola
 Discuss Question
Answer: Option A. -> west Nile virus
Answer: (a).west Nile virus
Question 93. Which of following viruses do not cause a hemorrhagic fever?
  1.    Crimean congo
  2.    herpes
  3.    Ebola
  4.    dengue
 Discuss Question
Answer: Option B. -> herpes
Answer: (b).herpes
Question 94. Which of following viruses is surrounded by membranous coat?
  1.    adenovirus
  2.    t4 bacteriophage
  3.    virus
  4.    influenza virus
 Discuss Question
Answer: Option D. -> influenza virus
Answer: (d).influenza virus
Question 95. Which of following is common to both viruses and bacteria?
  1.    ribosomes
  2.    metabolism
  3.    genome
  4.    cell membrane
 Discuss Question
Answer: Option C. -> genome
Answer: (c).genome
Question 96. Parvoviruses contain how many genes?
  1.    100 genes
  2.    500 genes
  3.    40 genes
  4.    3 genes
 Discuss Question
Answer: Option D. -> 3 genes
Answer: (d).3 genes
Question 97. RNA in animal viruses exist as circular dsRNA.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 98. In which of the following viruses DNA forms hairpins?
  1.    parvoviruses
  2.    herpesviruses
  3.    poxviruses
  4.    picornaviruses
 Discuss Question
Answer: Option A. -> parvoviruses
Answer: (a).parvoviruses
Question 99. In papovaviruses, DNA occurs in which of the following forms?
  1.    linear dsDNA
  2.    linear ssDNA
  3.    supercoiled circular dsDNA
  4.    supercoiled circular ssDNA
 Discuss Question
Answer: Option C. -> supercoiled circular dsDNA
Answer: (c).supercoiled circular dsDNA
Question 100. Which of the following are characteristics of the process viropexis?
  1.    phagocytic process
  2.    plant viruses penetrate host cells through ectodesmata
  3.    occurs by the enzyme RNA polymerase
  4.    phagocytic process and occurs by the enzyme lysosomal proteases
 Discuss Question
Answer: Option D. -> phagocytic process and occurs by the enzyme lysosomal proteases
Answer: (d).phagocytic process and occurs by the enzyme lysosomal proteases

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