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MCQs

Total Questions : 95 | Page 5 of 10 pages
Question 41. In which of following is telomerase most active and hence telomeres are at maximum?
  1.    somatic cells
  2.    germ cells
  3.    heart cells
  4.    none of above
 Discuss Question
Answer: Option B. -> germ cells
Answer: (b).germ cells
Question 42. The dogma classes into
  1.    2 groups
  2.    3 groups
  3.    4 groups
  4.    5 groups
 Discuss Question
Answer: Option B. -> 3 groups
Answer: (b).3 groups
Question 43. DNA makes RNA and RNA makes protein, this process is termed as
  1.    central dogma
  2.    simple dogma
  3.    Translation
  4.    Transcription
 Discuss Question
Answer: Option A. -> central dogma
Answer: (a).central dogma
Question 44. During interphase structure of chromatin is
  1.    coiled
  2.    diffused mass
  3.    supercoiled
  4.    looped
 Discuss Question
Answer: Option B. -> diffused mass
Answer: (b).diffused mass
Question 45. The process of genetic information flowing from DNA to RNA to proteins is called
  1.    gene annealing
  2.    gene mutation
  3.    gene expression
  4.    gene therapy
 Discuss Question
Answer: Option C. -> gene expression
Answer: (c).gene expression
Question 46. Which of following is a DNA cutting enzyme?
  1.    topoisomerase
  2.    helicase
  3.    protease
  4.    nuclease
 Discuss Question
Answer: Option A. -> topoisomerase
Answer: (a).topoisomerase
Question 47. Which of following structures of DNA was erroneously proposed by Linus Pauling?
  1.    triple stranded
  2.    double stranded
  3.    aplha
  4.    alpha helix
 Discuss Question
Answer: Option A. -> triple stranded
Answer: (a).triple stranded
Question 48. What is error rate in final DNA replicated molecule?
  1.    1 in 10,000
  2.    1 in 500
  3.    1 in 10
  4.    1 in 10¹⁰
 Discuss Question
Answer: Option D. -> 1 in 10¹⁰
Answer: (d).1 in 10¹⁰
Question 49. How many nucleotide pairs are present in E Coli?
  1.    4.6 million
  2.    8 million
  3.    100000
  4.    500 million
 Discuss Question
Answer: Option A. -> 4.6 million
Answer: (a).4.6 million
Question 50. A defect in DNA repair enzymes is one of causative factors of
  1.    alzheimer's disease
  2.    parkinson's disease
  3.    cancer
  4.    polio
 Discuss Question
Answer: Option C. -> cancer
Answer: (c).cancer

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