Cell Biology Quiz

What is the smallest unit of life that can replicate independently?

• Tissue

• Cell

• Organ

• Molecule

Which type of cells are examples of eukaryotic cells?

• Prokaryotic cells

• Virus cells

• Animal and plant cells

• Bacterial cells

What is the function of the cell membrane?

• To store genetic material

• To control which substances can pass in and out of the cell

• To provide energy to the cell

• To synthesize proteins

Where does protein synthesis occur in the cell?

• Cytoplasm

• Ribosomes

• Mitochondria

• Nucleus

What is the main function of mitochondria?

• To store genetic material

• To provide energy to the cell by aerobic respiration

• To control cell activities

• To synthesize proteins

What substance makes up the rigid cell wall in plant cells?

• Chlorophyll

• Glucose

• Cellulose

• Cytoplasm

What is the function of chloroplasts in plant cells?

• To store water

• To synthesize proteins

• To carry out photosynthesis

• To provide structural support

What is the main difference between bacterial cells and eukaryotic cells?

• Bacterial cells have a nucleus

• Bacterial cells have chloroplasts

• Bacterial cells have mitochondria

• Bacterial cells do not have a nucleus

What are plasmids in bacterial cells?

• Energy-producing organelles

• Structures for protein synthesis

• Small rings of DNA carrying extra genes

• Components of the cell wall

What is the function of flagella in bacterial cells?

• To help the bacteria move

• To provide energy

• To store genetic material

• To synthesize proteins