Light Microscope MCQ

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

• Rhodamine is a ___________________
  ক

  fluorochrome

  খ

  antibody

  গ

  stain

  ঘ

  gel type
• Which of the following gives a three dimensional quality of the image?
  ক

  Differential interference contrast

  খ

  Bright-field microscope

  গ

  Gas chromatography

  ঘ

  Spectrophotometry
• Unstained specimens can be visualized using ________________
  ক

  bright-field microscope

  খ

  phase-contrast microscope

  গ

  mass spectroscopy

  ঘ

  spectrophotometer
• Slides containing adherent paraffin sections are immersed in __________________
  ক

  toluene

  খ

  isoamyl alcohol

  গ

  isopropanol

  ঘ

  acetic acid
• Which of the following can not be used as a fixative?
  ক

  formaldehyde

  খ

  acetic acid

  গ

  alcohol

  ঘ

  vitamin B12
• A fixative _______________ the macromolecular components of a cell.
  ক

  degrades

  খ

  immobilizes

  গ

  penetrates

  ঘ

  granulates
• Which of the following is used for the preparation of a section specimen?
  ক

  phenol

  খ

  isoamyl alcohol

  গ

  fixative

  ঘ

  lubricative
• The Feulgen stain is used for staining ____________________
  ক

  plasma membrane

  খ

  chromosomes

  গ

  phospholipids

  ঘ

  mitochondria
• The maximum possible numerical aperture of 1.5 is for a ______________ lens.
  ক

  oil immersion

  খ

  air interface

  গ

  water interface

  ঘ

  binocular
• The numerical aperture is constant for each lens.
  ক

  True

  খ

  False
• 527 nanometers is the wavelength of ______________ light.
  ক

  red

  খ

  white

  গ

  green

  ঘ

  blue
• The resolution attained by a microscope is limited by _____________________
  ক

  diffraction

  খ

  refraction

  গ

  reflection

  ঘ

  retraction
• Ocular lens forms a virtual image.
  ক

  True

  খ

  False
• Which of the following magnification of the ocular will occupy maximum retinal surface?
  ক

  1X

  খ

  5X

  গ

  20X

  ঘ

  50X
• Which of the following component of the light microscope illuminates the specimen by gathering diffuse rays from the light microscope?
  ক

  light source

  খ

  eyepiece

  গ

  condenser lens

  ঘ

  screws
• Which part of the light microscope controls the intensity of light entering the viewing area?
  ক

  Coarse adjustment screw

  খ

  Fine adjustment screw

  গ

  Diaphragm

  ঘ

  Condenser lens
• In Phase contrast microscopy, the rate at which light enters through objects is __________
  ক

  Constant

  খ

  Inversely proportional to their refractive indices

  গ

  Directly proportional to their refractive indices

  ঘ

  Exponentially related to their refractive indices
• In light microscopy, which of the following is used as fixatives prior to staining technique?
  ক

  Osmic acid

  খ

  Glutaraldehyde

  গ

  Heat

  ঘ

  Osmic acid, glutaraldehyde, heat
• Total Magnification is obtained by __________
  ক

  Magnifying power of the objective lens

  খ

  Magnifying power of eyepiece

  গ

  Magnifying power of condenser lens

  ঘ

  Magnifying power of both the objective lens and eyepiece
• In fluorescence microscopy, which of the following performs the function of removing all light except the blue light?
  ক

  Exciter filter

  খ

  Barrier filter

  গ

  Dichroic mirror

  ঘ

  Mercury arc lamp
• Oil immersion objective lens has an NA value of____________
  ক

  0.65

  খ

  0.85

  গ

  1.33

  ঘ

  1.00
• Resolving power of a microscope is a function of ____________
  ক

  Wavelength of light used

  খ

  Numerical aperture of lens system

  গ

  Refractive index

  ঘ

  Wavelength of light used and numerical aperture of lens system
• What is the minimum distance for the eye to focus any object?
  ক

  11 cm

  খ

  25 cm

  গ

  32 cm

  ঘ

  4 2 cm