Microscopic Observation of Onion Peels Activity
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Microscopic Observation of Onion Peels Activity

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@ProlificDerivative

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Questions and Answers

Who first discovered the cells in a cork slice?

  • Robert Brown
  • Leeuwenhoek
  • Purkinje
  • Robert Hooke (correct)
  • Who discovered the free-living cells in pond water for the first time?

  • Virchow
  • Schleiden
  • Robert Brown
  • Leeuwenhoek (correct)
  • Who coined the term 'protoplasm' for the fluid substance of the cell?

  • Purkinje (correct)
  • Schwann
  • Schleiden
  • Virchow
  • Which two biologists presented the cell theory that all plants and animals are composed of cells?

    <p>Schleiden and Schwann</p> Signup and view all the answers

    Who suggested that all cells arise from pre-existing cells, further expanding the cell theory?

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

    What activity was conducted to observe similar small structures in onion bulbs of different sizes?

    <p>Making mounts of onion peels of different sizes</p> Signup and view all the answers

    What invention made it possible to observe and understand the complex structure of the cell and its various organelles?

    <p>The electron microscope</p> Signup and view all the answers

    What is the term used to describe organisms that are made up of a single cell?

    <p>Unicellular organisms</p> Signup and view all the answers

    How do cells in multicellular organisms differ from those in unicellular organisms?

    <p>Cells in multicellular organisms assume different functions, unlike cells in unicellular organisms</p> Signup and view all the answers

    What is the process by which new cells are produced from pre-existing cells?

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

    Which activity involves preparing temporary mounts of leaf peels, root tips of onions, or peels of onions of different sizes?

    <p>Investigating cell structure differences</p> Signup and view all the answers

    What does the discovery of some organisms having cells of different kinds imply?

    <p>Cell specialization exists in some organisms</p> Signup and view all the answers

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