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MCQs

Total Questions : 194 | Page 7 of 20 pages
Question 61. Proteins responsible for the compact packing and winding of chromosomal DNA are
  1.    histones
  2.    nonhistones
  3.    trypsin
  4.    Serein
 Discuss Question
Answer: Option A. -> histones
Answer: (a).histones
Question 62. Most protein coding genes are
  1.    single copy DNA
  2.    repetitive DNA
  3.    RNA
  4.    Circular DNA
 Discuss Question
Answer: Option A. -> single copy DNA
Answer: (a).single copy DNA
Question 63. In mammals and insects, the repetitive DNA lies in
  1.    nodes
  2.    centromere
  3.    arms
  4.    all over chromosome
 Discuss Question
Answer: Option B. -> centromere
Answer: (b).centromere
Question 64. In prokaryotes the single copy DNA is present
  1.    40% per genome
  2.    30% per genome
  3.    20% per genome
  4.    10% per genome
 Discuss Question
Answer: Option D. -> 10% per genome
Answer: (d).10% per genome
Question 65. Which of following can show 3-dimensional structures of all proteins discovered so far?
  1.    Uniprot
  2.    sift
  3.    blast
  4.    protein data bank
 Discuss Question
Answer: Option D. -> protein data bank
Answer: (d).protein data bank
Question 66. Multiple copies of identical or similar genes clustered together are called
  1.    multigene family
  2.    clustered gene
  3.    polygene
  4.    gene group
 Discuss Question
Answer: Option A. -> multigene family
Answer: (a).multigene family
Question 67. At least how many genes are present in any multicellular eukaryote?
  1.    40000
  2.    50000
  3.    10000
  4.    20000
 Discuss Question
Answer: Option A. -> 40000
Answer: (a).40000
Question 68. How many million years ago humans and mice diverged?
  1.    65.5
  2.    30
  3.    10
  4.    100
 Discuss Question
Answer: Option A. -> 65.5
Answer: (a).65.5
Question 69. Transposon 'Alu elements' account for how much of total human genome?
  1.    0.1
  2.    0.01
  3.    0.03
  4.    0.15
 Discuss Question
Answer: Option A. -> 0.1
Answer: (a).0.1
Question 70. What is haploid genome size of panda Ailuropoda melanoleuca?
  1.    20000 mb
  2.    500 mb
  3.    1000 mb
  4.    2400 mb
 Discuss Question
Answer: Option D. -> 2400 mb
Answer: (d).2400 mb

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