MALDI-TOF MCQ

Test your knowledge with important MALDI-TOF MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more MALDI-TOF MCQs at Bissoy

• Which of the following lasers can be used for laser radiation in MALDI?
  ক

  Infrared lasers

  খ

  Greenlight lasers

  গ

  Red light lasers

  ঘ

  Ultraviolet lasers
• Which of the following provides higher resolution in MALDI-TOF?
  ক

  Blocker

  খ

  Channel

  গ

  Transmitter

  ঘ

  Reflector
• Which of the following cannot be used as a MALDI matrix compound?
  ক

  α-Cyano-4-hydroxycinnamic acid

  খ

  Sinapinic acid

  গ

  3-Hydroxypicolinic acid

  ঘ

  2,3-Dihydroxybenzoic acid
• In TOF, ions of lower mass are accelerated to lower velocities and reach the detector last.
  ক

  True

  খ

  False
• Which of the following type of mass analyzer uses a magnetic field and cyclotron motion to trap ions?
  ক

  Quadrupole

  খ

  Orbitrap

  গ

  TOF

  ঘ

  Fourier transform ion cyclotron resonance
• What is the relation of time of flight with the molecular mass of the ion in the TOF mass analyzer?
  ক

  Time of flight is inversely proportional to the square root of the molecular mass of the ion

  খ

  Time of flight is inversely proportional to the molecular mass of the ion

  গ

  Time of flight is directly proportional to the molecular mass of the ion

  ঘ

  Time of flight is directly proportional to the square root of the molecular mass of the ion
• In the TOF analyzer, all the ions are accelerated at the same velocity.
  ক

  True

  খ

  False
• Which of the following ionization method uses aromatic compounds and organic solvents to achieve ionization?
  ক

  ESI

  খ

  Chemical ionization

  গ

  FAB

  ঘ

  MALDI
• Sublimation occurs in which of the following ionization methods?
  ক

  ESI

  খ

  FAB

  গ

  Chemical Ionization

  ঘ

  MALDI
• Which of the following ionization technique uses a short laser pulse to achieve ionization?
  ক

  ESI

  খ

  Chemical Ionization

  গ

  FAB

  ঘ

  MALDI
• Which mass analyzer is most frequently used with MALDI?
  ক

  Magnetic sector

  খ

  Quadrupole

  গ

  Ion trap

  ঘ

  TOF