Year 9 LC5 Biology Assessment MCQ

What is the job of the nucleus in a eukaryotic cell?

• To release energy
• To control the activities of the cell
• To transport proteins
• To digest waste

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

• Ribosome
• Mitochondria
• Plasmid
• Nucleus

What is the function of the mitochondria?

• Produces glucose
• Stores genetic information
• Carries out respiration
• Controls mitosis

Which piece of equipment is essential when preparing a slide for light microscopy?

• Clamp
• Ruler
• Coverslip
• Stopwatch

A microscope has x40 objective lens and x10 eyepiece lens. What is the total magnification?

• x50
• x400
• x10
• x4

A cell is 5 mm in a photograph with x500 magnification. What is the actual size of the cell?

• 0.01 mm
• 25 mm
• 0.5 mm
• 2.5 mm

During the cell cycle, what must happen before mitosis begins?

• Cytoplasm divides
• Organelles disappear
• DNA replicates
• The cell wall forms

Which stage of mitosis aligns chromosomes in the centre of the cell?

• Prophase
• Telophase
• Metaphase
• Anaphase

Why is stem cell use controversial in medicine?

• They are ineffective
• They are unsafe
• They raise ethical concerns
• They are only found in adults

Which factor would most increase the rate of diffusion in cells?

• Decrease in temperature
• Smaller surface area
• Increase in concentration gradient
• Thicker membrane