Understanding Cell Theory

Who is known as the "father of microscopy" for his early observations of cells?

• Robert Hooke

• Anton van Leeuwenhoek

• Matthias Schleiden

• Theodor Schwann

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What is the basic unit of structure and function in all living organisms?

• Atom

• Tissue

• Cell

• Organ

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Which scientist first used the term "cell" to describe the tiny compartments he saw in cork?

• Robert Hooke

• Rudolf Virchow

• Louis Pasteur

• Charles Darwin

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According to cell theory, all cells come from:

• Non-living matter

• Pre-existing cells

• Air

• Water

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Which of the following is NOT a part of the cell theory?

• All living things are made of cells

• Cells are the basic unit of structure and function in living things

• All cells come from pre-existing cells

• All cells have a nucleus

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Who proposed that all plants are made of cells?

• Matthias Schleiden

• Theodor Schwann

• Rudolf Virchow

• Anton van Leeuwenhoek

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Who stated that all animals are made of cells?

• Robert Hooke

• Theodor Schwann

• Matthias Schleiden

• Rudolf Virchow

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Which scientist contributed the idea that all cells come from pre-existing cells?

• Rudolf Virchow

• Robert Hooke

• Anton van Leeuwenhoek

• Theodor Schwann

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What tool was essential for the discovery and study of cells?

• Telescope

• Microscope

• Thermometer

• Barometer

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Which of the following best describes a unicellular organism?

• An organism made of many cells

• An organism made of a single cell

• An organism with no cells

• An organism with specialized tissues

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