Edexcel International A Level Biology Unit 4 Quiz

Which of the following is not a function of the cell membrane?

• Regulating the movement of substances in and out of the cell
• Providing structural support for the cell
• Facilitating cell signalling and communication
• Catalysing chemical reactions

What is the main role of mitochondria in eukaryotic cells?

• Photosynthesis
• Cellular respiration
• Protein synthesis
• DNA replication

Which of the following is a key feature of prokaryotic cells that distinguishes them from eukaryotic cells?

• Presence of a true nucleus
• Presence of membrane-bound organelles
• Presence of a cell wall
• Ability to undergo mitosis

What is the primary function of the Golgi apparatus in eukaryotic cells?

• Storage of genetic material
• Synthesis of lipids and proteins
• Transport and modification of molecules
• Breakdown of large molecules

Which of the following is a key function of the endoplasmic reticulum (ER) in eukaryotic cells?

• Generating electrical impulses
• Storing water and nutrients
• Synthesising and modifying proteins
• Providing structural support

Which of the following is the correct function of the cell surface membrane in eukaryotic cells?

• Controlling the movement of substances in and out of the cell
• Storing genetic information
• Providing energy for the cell through cellular respiration
• Assembling and packaging proteins

Which organelle is responsible for the breakdown and recycling of cellular components in eukaryotic cells?

• Lysosomes
• Peroxisomes
• Mitochondria
• Ribosomes

What is the main function of the cytoskeleton in eukaryotic cells?

• Providing structural support and shape
• Generating electrical impulses
• Storing genetic information
• Producing energy through cellular respiration

Which of the following is a key difference between plant and animal cells?

• Presence of a cell wall
• Presence of chloroplasts
• Presence of a true nucleus
• Presence of mitochondria

What is the primary function of the cell nucleus in eukaryotic cells?

• Storage of genetic information
• Breakdown of cellular components
• Synthesis of lipids and proteins
• Generating electrical impulses