AQA GCSE Combined Science Biology
1F Question Paper And Detailed
correct Answers 2025|2026| Graded
A+
____________________________________________________________________________________
What is the function of the nucleus?
✓ Contains DNA to control the cell
What is the function of the cell membrane?
✓ Controls entry and exit of substances
What is the function of the cell wall?
✓ Provides structure and support
What is the function of mitochondria?
✓ Carry out respiration to release energy
What is the function of ribosomes?
, ✓ Protein synthesis
What is the function of chloroplasts?
✓ Carry out photosynthesis
What is the function of a vacuole?
✓ Contains cell sap
Define a prokaryote
✓ A cell that does not have a nucleus
Define a eukaryote
✓ A cell that has DNA in a nucleus
Name two cell structures that are in a eukaryote but not in a prokaryote
✓ Nucleus, mitochondria, chloroplasts
What is a plasmid?
✓ A small loop of DNA in bacteria
What is a plant cell wall made from?
✓ Cellulose
,How is DNA stored in a bacterial cell?
✓ As a single, free-floating loop; also on plasmids
What is differentiation?
✓ The process by which cells become specialised
What is the equation for magnification?
✓ Magnification = Image Size ÷ Actual Size
A photograph of a cell is 15mm long. It has a magnification of 1100x. What is the actual
size?
✓ 0.0136mm, or 13.6µm
A cell is 12µm wide. It is magnified by 450 times. How big is the image?
✓ 5400µm, or 5.4mm
If the image of a virus is 1.2mm, and its actual size is 0.2µm, how much has it been
magnified by?
✓ 6000 times
Convert 38500µm into mm
, ✓ 38.5mm
How many µm are in 1mm?
✓ 1000
Write 17400m in standard form
✓ 1.74 x 10^4 m
Write 0.0034 in standard form
✓ 3.4 x 10^-3
How is a sperm cell adapted for its function?
✓ It has a tail to swim to the egg
How is a nerve cell adapted for its function?
✓ It has a long axon to conduct impulses over long distances
How is a muscle cell adapted for its function?
✓ It can contract to cause movement
How is a root hair cell adapted for its function?
✓ It has a large surface area to increase osmosis of water
1F Question Paper And Detailed
correct Answers 2025|2026| Graded
A+
____________________________________________________________________________________
What is the function of the nucleus?
✓ Contains DNA to control the cell
What is the function of the cell membrane?
✓ Controls entry and exit of substances
What is the function of the cell wall?
✓ Provides structure and support
What is the function of mitochondria?
✓ Carry out respiration to release energy
What is the function of ribosomes?
, ✓ Protein synthesis
What is the function of chloroplasts?
✓ Carry out photosynthesis
What is the function of a vacuole?
✓ Contains cell sap
Define a prokaryote
✓ A cell that does not have a nucleus
Define a eukaryote
✓ A cell that has DNA in a nucleus
Name two cell structures that are in a eukaryote but not in a prokaryote
✓ Nucleus, mitochondria, chloroplasts
What is a plasmid?
✓ A small loop of DNA in bacteria
What is a plant cell wall made from?
✓ Cellulose
,How is DNA stored in a bacterial cell?
✓ As a single, free-floating loop; also on plasmids
What is differentiation?
✓ The process by which cells become specialised
What is the equation for magnification?
✓ Magnification = Image Size ÷ Actual Size
A photograph of a cell is 15mm long. It has a magnification of 1100x. What is the actual
size?
✓ 0.0136mm, or 13.6µm
A cell is 12µm wide. It is magnified by 450 times. How big is the image?
✓ 5400µm, or 5.4mm
If the image of a virus is 1.2mm, and its actual size is 0.2µm, how much has it been
magnified by?
✓ 6000 times
Convert 38500µm into mm
, ✓ 38.5mm
How many µm are in 1mm?
✓ 1000
Write 17400m in standard form
✓ 1.74 x 10^4 m
Write 0.0034 in standard form
✓ 3.4 x 10^-3
How is a sperm cell adapted for its function?
✓ It has a tail to swim to the egg
How is a nerve cell adapted for its function?
✓ It has a long axon to conduct impulses over long distances
How is a muscle cell adapted for its function?
✓ It can contract to cause movement
How is a root hair cell adapted for its function?
✓ It has a large surface area to increase osmosis of water
