General Properties of Plasmids MCQ

Test your knowledge with important General Properties of Plasmids MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more General Properties of Plasmids MCQs on Bissoy. Bissoy App

• The repressor for the β-galactosidase gene is encoded by ___________
  ক

  XmaI

  খ

  PstI

  গ

  Lac I

  ঘ

  PvuII
• What is incorrect about plasmid?
  ক

  Helps in reproduction

  খ

  Contains stress resistant genes

  গ

  Serves as the transformation vehicle

  ঘ

  They are the genetic material of the bacteria
• What is the expanded form of pBR in pBR322?
  ক

  Plasmid Boliver and Rodriguez

  খ

  Plasmid Baltimore and Rodriguez

  গ

  Plasmid bacterial recombination

  ঘ

  Plasmid bacterial replication
• Which one of the following is the first engineered plasmid vector?
  ক

  pBR322

  খ

  pBR320

  গ

  pUC18

  ঘ

  pSC101
• What is the characteristic of lacZ gene of pUC18 vector among the following?
  ক

  Encodes for antibiotic resistance

  খ

  Encodes for β-galactosidase enzyme

  গ

  Encodes for β-lactamase enzyme

  ঘ

  Encodes for β-galactoside transferase enzyme.
• Which gene in the pUC18 vector confers antibiotic resistance to the transformed cells?
  ক

  LacZ

  খ

  PvuII

  গ

  AmpR

  ঘ

  AntII
• What is the temperature at which bacteria can takes up the plasmid?
  ক

  42˚C

  খ

  -42˚C

  গ

  40˚C

  ঘ

  -40˚C
• The host bacterium takes up a plasmid in presence of ______________
  ক

  Monovalent cations

  খ

  Monovalent anions

  গ

  Divalent cations

  ঘ

  Divalent anions
• The full for of pUC is polylinker university cloning.
  ক

  True

  খ

  False
• What is the length of the polylinker segment of plasmid?
  ক

  Less than 100 base pair

  খ

  Less than 10 base pair

  গ

  Less than 70 base pair

  ঘ

  Less than 50 base pair
• Under relaxed conditions how many copies of plasmid are present in the cell?
  ক

  10 – 100 copies

  খ

  100 – 500 copies

  গ

  1 – 300 copies

  ঘ

  10 – 700 copies
• Who were the scientists who discovered the plasmid pBR322?
  ক

  Rodriguez and Bolivar

  খ

  Joller smith

  গ

  Herbert Boyer

  ঘ

  Stanley Cohen and Joller smith
• How many restriction sites are contained by a plasmid?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  More than 1
• How the plasmid clones can be screened?
  ক

  By selectable markers

  খ

  By bacterial resistance gene

  গ

  For restriction site

  ঘ

  By ARS sequence
• Plasmid replication is dependent on the host cell.
  ক

  True

  খ

  False