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MCQs

Total Questions : 111 | Page 6 of 12 pages
Question 51. Sequence 5-AAGCTT-3 is recognized by which of following enzymes?
  1.    HindIII
  2.    bnf
  3.    inf
  4.    mnii
 Discuss Question
Answer: Option A. -> HindIII
Answer: (a).HindIII
Question 52. What is polymorphism in a single base pair called?
  1.    SNP
  2.    SNO
  3.    single variation
  4.    ANP
 Discuss Question
Answer: Option A. -> SNP
Answer: (a).SNP
Question 53. Which of following can cut DNA at specific places?
  1.    cutting enzymes
  2.    restriction enzymes
  3.    DNA cutter
  4.    DNA multiplier
 Discuss Question
Answer: Option B. -> restriction enzymes
Answer: (b).restriction enzymes
Question 54. Which of following lacks introns?
  1.    cDNA
  2.    MRNA
  3.    DNA
  4.    rRNA
 Discuss Question
Answer: Option A. -> cDNA
Answer: (a).cDNA
Question 55. What is frequency of SNPs in humans?
  1.    a few million
  2.    a few billion
  3.    a few hundred
  4.    a few thousand
 Discuss Question
Answer: Option A. -> a few million
Answer: (a).a few million
Question 56. Which is first step in Polymerase Chain Reaction (PCR)?
  1.    DNA denaturation
  2.    DNA elongation
  3.    DNA cloning
  4.    DNA annealing
 Discuss Question
Answer: Option A. -> DNA denaturation
Answer: (a).DNA denaturation
Question 57. Overexpression of which of following results in chronic myelogenous leukemia?
  1.    lysozymes
  2.    mak
  3.    tyrosine kinase
  4.    phosphatase
 Discuss Question
Answer: Option C. -> tyrosine kinase
Answer: (c).tyrosine kinase
Question 58. Which of following RNAs can be used for gene knockout?
  1.    tRNA
  2.    mRNA
  3.    rRNA
  4.    RNAi
 Discuss Question
Answer: Option D. -> RNAi
Answer: (d).RNAi
Question 59. What is 5 to 3 prime end sequence of PvuI enzyme?
  1.    a t g c
  2.    g c t t a
  3.    a a t c g
  4.    c g a t c g
 Discuss Question
Answer: Option D. -> c g a t c g
Answer: (d).c g a t c g
Question 60. Which of following describes silencing of a gene?
  1.    gene knockout
  2.    gene shut down
  3.    gene unit
  4.    gene exit
 Discuss Question
Answer: Option A. -> gene knockout
Answer: (a).gene knockout

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