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MCQs

Total Questions : 95 | Page 7 of 10 pages
Question 61. Interphase chromatin visible as irregular clumps is called
  1.    clumped chromatin
  2.    diffused chromatin
  3.    Euchromatin
  4.    heterochromatin
 Discuss Question
Answer: Option D. -> heterochromatin
Answer: (d).heterochromatin
Question 62. Which of following is infected by T2 phage?
  1.    e coli
  2.    immune system
  3.    thermophile bacteria
  4.    nervous system
 Discuss Question
Answer: Option A. -> e coli
Answer: (a).e coli
Question 63. Which of following extends out at end of nucleosome?
  1.    histone tail
  2.    DNA 3 prime end
  3.    DNA 5 prime end
  4.    linker DNA
 Discuss Question
Answer: Option A. -> histone tail
Answer: (a).histone tail
Question 64. Less compacted and more disperse form of DNA is called
  1.    Euchromatin
  2.    heterochromatin
  3.    clumped chromatin
  4.    diffused chromatin
 Discuss Question
Answer: Option A. -> Euchromatin
Answer: (a).Euchromatin
Question 65. What ratio of histones is positively charged?
  1.    1/5th
  2.    1/6th
  3.    1/10th
  4.    1/100th
 Discuss Question
Answer: Option A. -> 1/5th
Answer: (a).1/5th
Question 66. Telomeres are present at which position along chromosome?
  1.    middle
  2.    ends
  3.    near the middle
  4.    randomly placed
 Discuss Question
Answer: Option B. -> ends
Answer: (b).ends
Question 67. Virus that infects bacteria are called
  1.    Bacteriovirus
  2.    bacteriophage
  3.    viral phage
  4.    nano viruses
 Discuss Question
Answer: Option B. -> bacteriophage
Answer: (b).bacteriophage
Question 68. In which of following secondary structures DNA molecule is folded?
  1.    alpha helix
  2.    beta sheets
  3.    random coil
  4.    hairpin loops
 Discuss Question
Answer: Option A. -> alpha helix
Answer: (a).alpha helix
Question 69. Which of following removes RNA nucleotides of primer from 5 prime ends and replaces them with DNA nucleotides?
  1.    topoisomerase
  2.    helicase
  3.    single strand binding proteins
  4.    DNA polymerase I
 Discuss Question
Answer: Option D. -> DNA polymerase I
Answer: (d).DNA polymerase I
Question 70. From which of following a new DNA template starts?
  1.    3 prime end of primer
  2.    5 prime end of DNA
  3.    5 prime end of primer
  4.    3 prime end of DNA
 Discuss Question
Answer: Option A. -> 3 prime end of primer
Answer: (a).3 prime end of primer

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