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MCQs

Total Questions : 60 | Page 5 of 6 pages
Question 41. Which of following is not an X linked disease?
  1.    Duchenne muscular dystrophy
  2.    hemophilia
  3.    daltonism
  4.    Tay Sach's
 Discuss Question
Answer: Option D. -> Tay Sach's
Answer: (d).Tay Sach's
Question 42. How many imprinted genes have been identified so far?
  1.    10
  2.    20
  3.    40
  4.    60
 Discuss Question
Answer: Option D. -> 60
Answer: (d).60
Question 43. In Down's syndrome, cells are trisomic for which of following chromosomes?
  1.    21
  2.    20
  3.    14
  4.    13
 Discuss Question
Answer: Option A. -> 21
Answer: (a).21
Question 44. Which of following is an example of mitochondrial disease?
  1.    respiratory failure
  2.    alzheimer's disease
  3.    Leber's hereditary optic neuropathy
  4.    measles
 Discuss Question
Answer: Option C. -> Leber's hereditary optic neuropathy
Answer: (c).Leber's hereditary optic neuropathy
Question 45. Which of following did Morgan perform his experiments on?
  1.    chimpanzees
  2.    drosophila
  3.    monkeys
  4.    mice
 Discuss Question
Answer: Option B. -> drosophila
Answer: (b).drosophila
Question 46. Which of following is hexaploid?
  1.    strawberries
  2.    wheat
  3.    pea
  4.    banana
 Discuss Question
Answer: Option B. -> wheat
Answer: (b).wheat
Question 47. Methylation has what effect on Igf2 gene?
  1.    deletion
  2.    activation
  3.    silencing
  4.    upregulation
 Discuss Question
Answer: Option B. -> activation
Answer: (b).activation
Question 48. Which of following scientist discovered chromosome theory of inheritance?
  1.    Walter s. Sutton
  2.    Watson
  3.    crick
  4.    Mendel
 Discuss Question
Answer: Option A. -> Walter s. Sutton
Answer: (a).Walter s. Sutton
Question 49. Which of following denotes a methyl group?
  1.    CH₂
  2.    CH₃
  3.    CH₄
  4.    CH₇
 Discuss Question
Answer: Option B. -> CH₃
Answer: (b).CH₃
Question 50. When zygote doesn't have normal number of chromosomes, it's said to have
  1.    aneuploidy
  2.    Proploidy
  3.    Multiploidy
  4.    Anaploidy
 Discuss Question
Answer: Option A. -> aneuploidy
Answer: (a).aneuploidy

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