Microscope Features and Types Quiz
17 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which microscope type uses lasers and fluorescence to create a three-dimensional image of a sample?

  • Darkfield microscope
  • Fluorescence microscope
  • Electron microscope
  • Confocal microscope (correct)
  • What type of microscope was invented by Ernst Ruska in 1931?

  • Electron microscope (correct)
  • Brightfield microscope
  • Fluorescence microscope
  • Confocal microscope
  • Which microscope is used to visualize specimens that fluoresce, like Auramine phenol for M. tuberculosis?

  • Brightfield microscope (correct)
  • Confocal microscope
  • Electron microscope
  • Darkfield microscope
  • What do electron microscopes examine that must be smaller than about 0.2 μm?

    <p>Viruses or internal cell structures</p> Signup and view all the answers

    Which microscope principle involves converting ultraviolet rays into visible light?

    <p>Fluorescence principle</p> Signup and view all the answers

    What does resolution power refer to in a microscope?

    <p>Ability to produce separate images of closely placed objects</p> Signup and view all the answers

    How is good contrast in microscopy achieved?

    <p>By staining the specimen</p> Signup and view all the answers

    Which type of microscope is commonly used in the microbiology section?

    <p>Brightfield microscope</p> Signup and view all the answers

    What is the principle behind a darkfield microscope?

    <p>Object appears bright against a dark background</p> Signup and view all the answers

    How is magnification achieved in microscopy?

    <p>By using concave lenses</p> Signup and view all the answers

    What does a phase-contrast microscope help visualize?

    <p>Shape of living cells</p> Signup and view all the answers

    What part of the microscope can be rotated to switch between the objective lenses?

    <p>Objective lens</p> Signup and view all the answers

    Which objective lens provides the lowest magnification power?

    <p>Scanner (Red)</p> Signup and view all the answers

    What is the function of the fine adjustment knob in a microscope?

    <p>Move the stage slowly for detailed focus adjustment</p> Signup and view all the answers

    Which part of the microscope is responsible for gathering and focusing light from the illuminator onto the specimen?

    <p>Condenser</p> Signup and view all the answers

    What is the main function of the iris diaphragm in a microscope?

    <p>Change light intensity reaching the specimen</p> Signup and view all the answers

    Which type of microscope illumination technique does the darkfield microscopy use?

    <p>Darkfield</p> Signup and view all the answers

    More Like This

    Microscope Resolution
    15 questions
    Microscope Resolution and Components
    8 questions
    Microscope Resolution Quiz
    2 questions

    Microscope Resolution Quiz

    FastGrowingCherryTree avatar
    FastGrowingCherryTree
    Use Quizgecko on...
    Browser
    Browser