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MCQs

Total Questions : 105 | Page 7 of 11 pages
Question 61. The immortality exhibited by the cancer cells is due to presence of _____________________
  1.    telomerase
  2.    nuclease
  3.    kinase
  4.    protease
 Discuss Question
Answer: Option A. -> telomerase
Answer: (a).telomerase
Question 62. When was it discovered that there is a correlation between cancer and the environment?
  1.    1675
  2.    1775
  3.    1875
  4.    1975
 Discuss Question
Answer: Option B. -> 1775
Answer: (b).1775
Question 63. The cancer cells are protected from ___________________
  1.    transcription
  2.    mutation
  3.    apoptosis
  4.    contamination
 Discuss Question
Answer: Option C. -> apoptosis
Answer: (c).apoptosis
Question 64. Cancer cells depend on _________________ metabolic pathway.
  1.    Effectors
  2.    Primary messengers
  3.    Secondary messengers
  4.    G-proteins
 Discuss Question
Answer: Option D. -> G-proteins
Answer: (d).G-proteins
Question 65. Which of the following is not a DNA tumor virus?
  1.    SV40
  2.    HIV
  3.    Adenovirus
  4.    Polyoma virus
 Discuss Question
Answer: Option B. -> HIV
Answer: (b).HIV
Question 66. Percentage of cancers due to genetic defects inherited from person's parents ranges from
  1.    10%-20%
  2.    20%-30%
  3.    5%-10%
  4.    30%-40%
 Discuss Question
Answer: Option C. -> 5%-10%
Answer: (c).5%-10%
Question 67. Characteristics of cancer include
  1.    self-sufficiency in growth signaling
  2.    evasion of apoptosis
  3.    insensitivity to anti-growth signals
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 68. A gene that has a potential to cause cancer is named as
  1.    oncogenes
  2.    octogenes
  3.    mutant genes
  4.    Pathogen
 Discuss Question
Answer: Option A. -> oncogenes
Answer: (a).oncogenes
Question 69. The number of cancer types which can affect human health is
  1.    100
  2.    50
  3.    30
  4.    20
 Discuss Question
Answer: Option A. -> 100
Answer: (a).100
Question 70. Oncogenes usually speeds up the
  1.    cell division
  2.    cell regulation
  3.    gene mutation
  4.    replication
 Discuss Question
Answer: Option A. -> cell division
Answer: (a).cell division

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