10 Questions
Which of the following statements accurately represents a part of the cell theory?
All living things are composed of atoms according to the cell theory.
What supports the claim that cells are the basic unit of life according to the cell theory?
Cells are the smallest living structures.
In scientific language, how is a 'theory' different from its everyday use?
'Theory' in science is backed by repeated observations and experiments.
Why have we never observed the cell theory not to be true?
Because all cells come from preexisting cells.
Which statement contradicts the cell theory?
Cells are capable of spontaneous generation.
What is the main reason why cells are often limited in size by the surface area to volume (SA:V) ratio?
To ensure efficient exchange of nutrients and waste
Which characteristic defines all living things' capability to produce similar cells/organisms from existing ones?
Reproduction
In larger cells, why does the efficiency of exchange decrease compared to smaller cells?
Larger cells have relatively less surface area compared to volume
Which cell adaptation maximizes the surface area to volume ratio by having long extensions?
Neurons
Why are cubes often used to model cell size despite cells not being cubic in shape?
Because cubes are easier to visualize and measure
This quiz covers the basic concepts of the cell theory including the three parts of the cell theory and evidence supporting it. It also touches on the use of the word theory in daily language. Test your knowledge on the fundamental principles of cells!
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