History of Cell Observation

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Questions and Answers

Who is credited with the first observation of cells in 1665?

  • Anton von Leeuwenhoek
  • Matthias Schleiden
  • Robert Hooke (correct)
  • Robert Brown

What did Robert Hooke name the empty spaces in the specimen he observed in 1665?

  • Nucleus
  • Room of the monastery (correct)
  • Protozoa
  • Bacteria

Who was the first person to observe bacteria and protozoa using a single-lens monocular microscope?

  • Matthias Schleiden
  • Theodor Schwann
  • Robert Hooke
  • Anton von Leeuwenhoek (correct)

Who proposed that all animals are made up of cells?

<p>Theodor Schwann (C)</p>
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Which of the following is a characteristic of prokaryotic cells?

<p>Undeveloped nucleus (B)</p>
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What is the typical size range of prokaryotic cells?

<p>0.5-5 µm (D)</p>
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Which organism is an example of a prokaryotic cell?

<p>Bacteria (D)</p>
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Which organelle is absent in plant cells?

<p>Centrioles (D)</p>
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What is the function of vacuoles in plant cells?

<p>Storage of water and nutrients (D)</p>
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Which structure provides rigidity and support to plant cells?

<p>Cell wall (C)</p>
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