Fundamental Unit of Life Quiz

Who discovered cells, and how?

How is a prokaryotic cell different from a eukaryotic cell?

• Membrane-bound organelles like plastids and mitochondria are absent.

• No well-defined nucleus.

• Cell division occurs by binary fission.

• It has a single chromosome.

• Most prokaryotes are unicellular.

Why is the plasma membrane called selectively permeable?

State two conditions for osmosis.

What is plasmolysis?

Why do raisins swell in water?

Why is the 'cell' called the unit of life?

How do CO2 and water move in and out of the cell?