2P 2exam Biology

Which structure is present in eukaryotic cells but not in prokaryotic cells?

• Nucleus

• Chloroplast

• Plasmid

• Mitochondrion

What is the main function of ribosomes in prokaryotic cells?

• Producing energy

• Synthesizing proteins

• Storing nutrients

• Replicating DNA

Which cellular structure allows the movement of a prokaryotic cell?

• Vacuole

• Flagella

• Lysosomes

• Nucleus

Which component of the prokaryotic cell is involved in DNA replication?

• Ribosome

• Plasmid

• Circular DNA

• Endoplasmic reticulum

Which component outside the prokaryotic cell provides protection and shape?

• Nucleolus

• Cell wall

• Golgi apparatus

• Vesicles

Which organelle is known as the "powerhouse" of the cell?

• Endoplasmic reticulum

• Lysosome

• Mitochondrion

• Golgi apparatus

In which organelle does photosynthesis take place in plant cells?

• Chloroplasts

• Mitochondria

• Ribosomes

• Nucleus

Which organelle is responsible for breaking down damaged or unwanted cellular materials?

• Ribosome

• Lysosome

• Nucleus

• Vacuole

What is the function of the rough endoplasmic reticulum?

• Protein synthesis

• Photolysis of water

• Energy transport

• Calcium storage

The cell membrane is composed mainly of:

• Carbohydrates

• Cholesterol

• Phospholipids

• Nucleic acids