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MCQs

Total Questions : 196 | Page 19 of 20 pages
Question 181. . The structural abnormality of cells is termed as
  1.    hyperplasia
  2.    anaplasia
  3.    metastasis
  4.    all of these
 Discuss Question
Answer: Option B. -> anaplasia
Question 182. . What is the function of positive strand in double stranded RNA viruses?
  1.    Synthesis of protein
  2.    Production of ribosomes
  3.    Both (a) and (b)
  4.    None of these
 Discuss Question
Answer: Option A. -> Synthesis of protein
Question 183. . The penetration of animal viruses into attached cells occur by mechanisms consisting of engulfment of whole virions by the cells in a phagocytic process called
  1.    vitropexis
  2.    viropexis
  3.    ectodesmata
  4.    vivopexis
 Discuss Question
Answer: Option B. -> viropexis
Question 184. . Viropexis takes place in the phagocytic vacuoles and is due to the action of enzymes
  1.    DNA gyrase
  2.    lysosomal protease
  3.    lysosomal lipase
  4.    all of these
 Discuss Question
Answer: Option B. -> lysosomal protease
Question 185. . Which of the following virus is transmitted by genital route?
  1.    Papillomaviruses
  2.    Herpes simplex virus type 2
  3.    Hepatitis B virus
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 186. . The RNA sarcoma viruses, the most strongly transforming viruses may transform which of the following cells in a culture?
  1.    fibroblasts
  2.    myoblasts
  3.    iris epithelial
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 187. . Plant viruses penetrate host cells through transient ores called
  1.    ectodesmata
  2.    endodesmata
  3.    cytodesmata
  4.    protodesmata
 Discuss Question
Answer: Option A. -> ectodesmata
Question 188. . Negri bodies are found in cells infected with
  1.    Paramyxoviruses
  2.    Vaccinia virus
  3.    Fowlpox virus
  4.    Rabies virus
 Discuss Question
Answer: Option D. -> Rabies virus
Question 189. . The uncontrolled proliferation of cells is termed as
  1.    hyperplasia
  2.    anaplasia
  3.    metastasis
  4.    all of these
 Discuss Question
Answer: Option A. -> hyperplasia
Question 190. . Viropexis takes place in the phagocytic vacuoles and is due to the action of enzymes
  1.    DNA gyrase
  2.    lysosomal protease
  3.    lysosomal lipase
  4.    all of these
 Discuss Question
Answer: Option B. -> lysosomal protease

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