Differential Interference of Contrast Microscope Objective Question

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1. What is the full name of DIC?

  • a) Differential Interfacial Contrast microscope
  • b) Differential Interference Contrast microscope
  • c) Differential Interfacial Color microscope
  • d) Different Interfacial Contrast microscope

2. The DIC microscope highly resembles to that of:

  • a) Dark field microscope
  • b) Phase contrast microscope
  • c) Bright field microscope
  • d) None of the above

3. In DIC plane polarized light falls at:

  • a) An acute angle to each other and are generated by prisms
  • b) Right angle to each other and are generated by glass slab
  • c) An acute angle to each other and are generated by glass slab
  • d) Right angle to each other and are generated by prisms

4. The DIC microscope creates clear image by detecting differences in:

  • a) Refractive indices
  • b) Thickness
  • c) Both of the above
  • d) None of the above

5. In DIC microscopy specimen appears:

  • a) Darker & 3 dimensional
  • b) Brightly colored & 3 dimensional
  • c) Brighter & 2 dimensional
  • d) Colorful & 2 dimensional

6. In DIC:

  • a) The reference beam passing through a specimen, while the object beam passes through a clear area of slide
  • b) The object beam passing through a specimen, while the reference beam passes through a clear area of slide
  • c) The reference beam and object beam both passes through the specimen
  • d) The reference beam and object beam both passes through a clear area of slide

7. In DIC, object beam and reference beam:

  • a) Combine and interfere with each other to form an image
  • b) Does not combine and interfere with each other to form an image
  • c) Combine but does not interfere with each other to form an image
  • d) Does not combine or interfere with each other to form an image

8. Which structure can be easily viewed through DIC?

  • a) Endospores
  • b) Granules
  • c) Vacuoles
  • d) All of the above

9. DIC microscope forms a:

  • a) Live, 3-D stained brightly colored image
  • b) Live, 2-D unstained brightly colored image
  • c) Live, 3-D unstained brightly colored image
  • d) Live, 2-D stained brightly colored image

10. The DIC microscope creates clear image by detecting differences in:

  • a) Refractive indices
  • b) Thickness of the lens
  • c) Both of the above
  • d) None of the above

11. Which kind of structures can be finely observed in DIC microscope?

  • a) Endospores
  • b) Vacuoles
  • c) Eukaryotic cells
  • d) All of the above

12. Which kind of illumination/light source is used in DIC microscopy?

  • a) One beam of ultraviolet light
  • b) Two beams of plane polarized light
  • c) Two beams of laser light at right angles to each other
  • d) Two beams of plane polarized light at left angles to each other

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