Cell Theory Quiz

Who was the first scientist to observe cells under a microscope?

• Anton van Leeuwenhoek

• Matthias Schleiden

• Robert Hooke

• Theodor Schwann

What type of cells did Robert Hooke observe in 1665?

• Living plant cells

• Dead cork cells

• Bacteria

• Red blood cells

Which scientist first observed living microorganisms under a microscope?

• Rudolf Virchow

• Anton van Leeuwenhoek

• Matthias Schleiden

• Louis Pasteur

Who proposed that all plants are made of cells?

• Theodor Schwann

• Matthias Schleiden

• Rudolf Virchow

• Louis Pasteur

Who extended the cell theory to animals?

• Robert Brown

• Theodor Schwann

• Rudolf Virchow

• Gregor Mendel

What was Rudolf Virchow’s major contribution to cell theory?

• He discovered the nucleus.

• He proposed that cells arise from pre-existing cells.

• He built the first microscope.

• He discovered bacteria.

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

• All living organisms are made of cells.

• The cell is the basic unit of life.

• Cells can spontaneously generate from non-living material.

• All cells come from pre-existing cells.

Who is known as the "Father of Microbiology"?

• Robert Hooke

• Anton van Leeuwenhoek

• Louis Pasteur

• Rudolf Virchow

What tool was essential for the discovery of cells?

• Bunsen burner

• Spectrometer

• Microscope

• Centrifuge

Which of the following statements is TRUE about cells?

• All cells contain a nucleus.

• Only multicellular organisms have cells.

• Cells are the smallest units of life.

• Viruses are considered cells.