Introduction to Cells and Biology Quiz

What is the smallest unit of matter that forms substances like water, salt, and sugar?

• Cell

• Molecule

• Atom

• Polymer

Which of the following is a macromolecule formed by many molecules?

• Element

• Polymer

• Molecule

• Atom

What percentage of a cell's mass is composed of macromolecules?

• 80%

• 50%

• 70%

• 60%

What is the basic unit of life in biology?

• Molecule

• Atom

• Organ

• Cell

How are cells similar to bricks in a building?

• Both are living

• Both are basic units

• Both are visible

• Both are made of atoms

What type of organism is made up of only one cell?

• Bicellular

• Tricellular

• Unicellular

• Multicellular

Which of the following is an example of a multicellular organism?

• Bacteria

• Amoeba

• Virus

• Human

What is formed when many tissues join together?

• Organism

• Cell

• Organ

• System

What is the final level of organization in living organisms?

• Organism

• Organ System

• Organ

• Tissue

Why are cells considered the basic units of life instead of atoms?

• Cells are larger

• Cells are living

• Cells are visible

• Cells are simpler