14 Questions
Who is credited with the discovery of cells when observing a piece of cork under the microscope?
Robert Hooke
According to cell theory, what are living organisms made up of?
Cells
What did Matthias Schleiden and Theodor Schwann discover while studying cells of both animals and plants?
Significant differences between the two types of cells
What is the basic unit of structure in all living organisms according to cell theory?
Cells
What is one of the key principles of cell theory regarding the origin of cells?
All cells come from pre-existing cells
Which non-cellular entities do some biologists consider as living organisms, challenging the universal application of cell theory to all forms of life?
Viruses
Who is credited with the invention of the microscope?
Anton van Leeuwenhoek
What did Robert Hooke name the tiny pores he discovered in cork under the microscope?
Cells
Who made changes to the lenses used in microscopes, leading to improvements in optical quality?
Otto Schott
What did Anton van Leeuwenhoek use to achieve a magnification of 270x in his unique microscope?
A small glass sphere
Which type of microscope made it possible to view objects smaller than optical wavelengths?
Electron microscope
What did Romans discover about objects under glass in the first century BC?
Objects appeared larger
In what century did the expanded use of lenses in eyeglasses contribute to the wider spread use of simple microscopes?
13th century
{{Following Hooke's discovery}}, what did others use for examining specimens with directly transmitted light?
{{Simple microscope with a single lens}}
Test your knowledge about cell theory in biology with this quiz. Explore the fundamental principles of cell theory and its significance in understanding living organisms.
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