Cell Theory Quiz

1. Hans and Zaccharias Janssen invented the _______________________.

• microscope
• atom
• DNA

2. A ___________________ is a well tested explanation that unifies many observations and hypotheses.

• law
• experiment
• theory

3. According to the cell theory, all living things are made up of cells.

• True
• Fasle

4. According to the cell theory, _______________ is the smallest unit of life.

• DNA
• cells
• atom

5. According to the cell theory, cells come from ___________________.

• preexisting cells
• DNA
• atoms

6. Who discovered the cell by viewing cork under a microscope?

• Schleiden
• Hooke
• Schwann

7. Anton von Leeuwenhoek discovered living organisms living in water (bacteria). This determined that cells are the basic unit of _____________.

• life
• DNA
• atoms

8. Schleiden discovered that all _______________ are made of cells.

• DNA
• plants
• animals

9. Schwann discovered that all _______________were made of cells.

• DNA
• plants
• animals

10. Who said new cells come from preexisting cells?

• Hooke
• Schwann
• Virchow