Biology Quiz

What is the smallest unit of living things?

• Organelles

• Cells

• Eukaryotes

• Prokaryotes

Which type of cells have no nucleus?

• Eukaryotes

• Prokaryotes

• Animal cells

• Plant cells

What do eukaryotic cells have that prokaryotic cells do not?

• Cytoplasm

• Cell membrane

• Nucleus and membrane-bound organelles

• Ribosomes

Which of the following is NOT found in animal cells?

• Mitochondria

• Cell wall

• Cytoplasm

• Ribosomes

What is the function of the cell membrane?

• To synthesize proteins

• To surround most cells and give them support

• To keep homeostasis

• To make energy for the cell

Which organelles are found only in eukaryotes?

• Ribosomes

• Cytoplasm

• Membrane-bound organelles

• DNA

What does the endosymbiotic theory explain?

• The origin of prokaryotes

• The origin of eukaryotes

• The function of the cell wall

• The process of cellular transport

What does homeostasis refer to?

• The ability of an organism to move

• The ability of a cell to maintain a balance or equilibrium within its internal environment

• The process of making proteins

• The engulfment of bacteria by larger eukaryotic cells

What is the main function of the cell membrane?

• To produce energy for the cell

• To maintain cellular homeostasis

• To facilitate cell movement

• To store genetic information

What is facilitated diffusion?

• Movement of molecules from low to high concentration without energy

• Movement of water through the cell membrane

• Movement of molecules from high to low concentration using transport proteins without energy

• Movement of molecules from high to low concentration using energy