Cell Theory Quiz

Who discovered cells while looking at a thin slice of cork?

• Robert Hooke

• Anton van Leuwenhoek

• Matthias Schleiden

• Louis Pasteur

Which scientist used a handmade microscope to observe single-celled organisms in pond scum?

• Theodor Schwann

• Anton van Leuwenhoek

• Robert Hooke

• Louis Pasteur

Who conclusively disproved the idea of Spontaneous Generation?

• Rudolf Virchow

• Theodor Schwann

• Louis Pasteur

• Matthias Schleiden

What is the average number of cells in the human body?

• 50 trillion

• 200 trillion

• 100 trillion

• 150 trillion

Which type of cells contain a nucleus and are more complex organisms?

• Eukaryotes

• Prokaryotes

• Bacteria

• Archaea

Who stated that all animal tissues are composed of cells?

• Matthias Schleiden

• Theodor Schwann

• Rudolf Virchow

• Louis Pasteur

What is the biggest type of cell in the human body?

• Blood cells

• Nerve cells

• Muscle cells

• Skin cells

Which scientist observed cells in both plants and animals?

• Robert Hooke

• Anton van Leuwenhoek

• Matthias Schleiden

• Theodor Schwann

Who concluded that all plant parts are made of cells?

• Theodor Schwann

• Matthias Schleiden

• Rudolf Virchow

• Louis Pasteur

What is the approximate length of DNA in a single human cell?

• 4 meters

• 3 meters

• 2 meters

• 1 meter