Microscopic Examination of Microorganisms
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Questions and Answers

What is the main difference between a light microscope and an electron microscope?

  • Light microscopes are used for studying macroorganisms, while electron microscopes are used for studying microorganisms.
  • Light microscopes can observe subatomic particles, while electron microscopes cannot.
  • Light microscopes contain two lenses, while electron microscopes contain three lenses.
  • Light microscopes use visible or ultraviolet light, while electron microscopes use electron beams. (correct)

    • Why is the compound microscope called 'compound'?

  • Because it can observe subatomic particles.
  • Because it is mainly used for studying macroorganisms.
  • Because it uses both visible light and electron beams to illuminate specimens.
  • Because it contains two lenses: one in the eyepiece and one in the objective. (correct)

    • What is the function of the mechanical parts of the compound microscope?

  • To illuminate specimens
  • To support other parts of the microscope and adjust illuminating and magnifying parts (correct)
  • To study macroorganisms
  • To observe subatomic particles

    • Which type of microscope will be used throughout the laboratory activities in this study?

    <p>Light compound microscope</p> Signup and view all the answers

    What is the purpose of using immersion oil in microscopy?

    <p>To improve resolution by preventing light refraction</p> Signup and view all the answers

    What is the part of the microscope that has a hole in the center to permit light to pass into the lens?

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

    Which part of the microscope serves as the platform located at the bottom to support the entire microscope?

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

    What is the function of the fine adjustment knob on a light compound microscope?

    <p>To bring objects into focus sharply</p> Signup and view all the answers

    Where can you find the iris diaphragm on a microscope?

    <p>On the body tube</p> Signup and view all the answers

    Which part of the microscope rotates to allow shifting of objectives from one type to another?

    <p>Revolving nosepiece</p> Signup and view all the answers

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