Cell Theory Quiz

Who was the first person to describe cells?

• Robert Hooke

• Theodor Schwann

• Anton van Leeuwenhoek

• Rudolf Virchow

What did Theodor Schwann conclude in 1839?

• Animals are made of cells.

• Cells come from existing cells.

• Plants are made of cells.

• Cells can divide to form new cells.

What is the basic unit of all living organisms?

• Atom

• Tissue

• Cell

• Organ

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

• All living things are made of one or more cells.

• Cells come from existing cells.

• Cells are the smallest unit of life.

• All cells contain DNA.

Who added the third part of the cell theory stating that cells come from existing cells?

• Robert Hooke

• Matthias Schleiden

• Theodor Schwann

• Rudolf Virchow

Why are cells small in size?

• To maintain a high surface area-to-volume ratio.

• To fit inside other cells.

• To grow rapidly.

• To avoid nutrient absorption.

What does the surface area-to-volume ratio of a cell influence?

• Its color

• The amount of waste it produces

• The flow of materials through its surface

• Its temperature

What discovery was made by Anton van Leeuwenhoek in 1673?

• He built the first microscope.

• He described living cells in pond water.

• He proposed that cells come from existing cells.

• He concluded that plants are made of cells.

True or False: The cell theory states that all living things are made up of one or more cells.

• True

• False

True or False: Matthias Schleiden concluded that all animal tissues are made of cells.

• True

• False