All of AQA GCSE Biology (9-1) - Paper 1
Exam Q&A 100% Solved | Rated A+
What are the two types of microscopes? - ✔✔Light Microscope
Electron Microscope
What is the magnifying power of a light microscope? - ✔✔x 2,000
What is the magnifying power of an electron microscope? - ✔✔x 2,000,000
What is the resolving power? - ✔✔The ability to distinguish between two
separate points
What is the resolving power of light microscopes? - ✔✔200 nm
What is the resolving power of electron microscopes? - ✔✔0.2 nm
What are the advantages of light microscopes? - ✔✔1. living samples
2. can view samples in colour
What are the disadvantages of electron microscopes? - ✔✔1. dead
samples
2. samples in black and white
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,What can they do with electron microscopes to make them coloured? -
✔✔Dye them or colour them in
How do you work out magnification? - ✔✔Image size / Object size
How do you work out image size? - ✔✔Magnification x Object size
How do you work out object size? - ✔✔Image size / Magnification
How do you convert cm to mm? - ✔✔x 10
How do you convert um (micrometres) to mm? - ✔✔/ 1000
How do you convert mm to um (micrometres)? - ✔✔x 1000
What does an animal cell contain? - ✔✔Cytoplasm, Nucleus, Ribosomes,
Mitochondrion, Cell Membrane
Where is the nucleus located in an animal cell? - ✔✔The centre
What does the nucleus do? - ✔✔It controls the activities of the cell
What is the role of the cytoplasm? - ✔✔Where chemical reactions take
place
Does an animal cell have a cell wall? - ✔✔No, it does not
What is the role of the cell membrane? - ✔✔Controls the ENTRY and EXIT
of SUBSTANCES inside the cell
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,What is the role of mitochondria/on? - ✔✔Creates energy by aerobic
respiration
What does aerobic respiration mean? - ✔✔It requires oxygen
What is the role of ribosomes? - ✔✔Where protein synthesis takes place
What kind of shape is a plant cell? - ✔✔Rectangular
What kind of shape is an animal cell? - ✔✔Circular
What does a plant cell contain? - ✔✔Chloroplast
Starch grain
Cell Membrane
Cell Wall
Nucleus
Mitochondrion
Cytoplasm
What is the role of the cell wall? - ✔✔Supports and protects the cell
What is the role of the vacuole? - ✔✔contains cell sap
Why is a plant cell rectangular? - ✔✔Due to the cell wall - strong
Where is the nucleus placed in a plant cell? - ✔✔In one corner/side
What is the role of chloroplasts? - ✔✔Full of a pigment called chlorophyll
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, This is where photosynthesis takes place
What are bacteria responsible for? - ✔✔Diseases such as tuberculosis,
cholera.
What does a bacterial cell contain? - ✔✔Pilli
Plasmid
Ribosomes
Cytoplasm
Plasma membrane
Cell wall
Capsule
Bacterial Flagellum
Nucleoid - circular DNA
What is the purpose of a flagella to a bacterial cell? - ✔✔Helps it to move
What is the crucial thing about a bacterial cell? - ✔✔There is no distinct
nucleus - have nucleoid instead
What is a plasmid? - ✔✔Genetic information
What is the purpose of dendrites on a nerve cell? - ✔✔Allows the cells to
make lots of connections with other cells
4
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Exam Q&A 100% Solved | Rated A+
What are the two types of microscopes? - ✔✔Light Microscope
Electron Microscope
What is the magnifying power of a light microscope? - ✔✔x 2,000
What is the magnifying power of an electron microscope? - ✔✔x 2,000,000
What is the resolving power? - ✔✔The ability to distinguish between two
separate points
What is the resolving power of light microscopes? - ✔✔200 nm
What is the resolving power of electron microscopes? - ✔✔0.2 nm
What are the advantages of light microscopes? - ✔✔1. living samples
2. can view samples in colour
What are the disadvantages of electron microscopes? - ✔✔1. dead
samples
2. samples in black and white
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,What can they do with electron microscopes to make them coloured? -
✔✔Dye them or colour them in
How do you work out magnification? - ✔✔Image size / Object size
How do you work out image size? - ✔✔Magnification x Object size
How do you work out object size? - ✔✔Image size / Magnification
How do you convert cm to mm? - ✔✔x 10
How do you convert um (micrometres) to mm? - ✔✔/ 1000
How do you convert mm to um (micrometres)? - ✔✔x 1000
What does an animal cell contain? - ✔✔Cytoplasm, Nucleus, Ribosomes,
Mitochondrion, Cell Membrane
Where is the nucleus located in an animal cell? - ✔✔The centre
What does the nucleus do? - ✔✔It controls the activities of the cell
What is the role of the cytoplasm? - ✔✔Where chemical reactions take
place
Does an animal cell have a cell wall? - ✔✔No, it does not
What is the role of the cell membrane? - ✔✔Controls the ENTRY and EXIT
of SUBSTANCES inside the cell
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,What is the role of mitochondria/on? - ✔✔Creates energy by aerobic
respiration
What does aerobic respiration mean? - ✔✔It requires oxygen
What is the role of ribosomes? - ✔✔Where protein synthesis takes place
What kind of shape is a plant cell? - ✔✔Rectangular
What kind of shape is an animal cell? - ✔✔Circular
What does a plant cell contain? - ✔✔Chloroplast
Starch grain
Cell Membrane
Cell Wall
Nucleus
Mitochondrion
Cytoplasm
What is the role of the cell wall? - ✔✔Supports and protects the cell
What is the role of the vacuole? - ✔✔contains cell sap
Why is a plant cell rectangular? - ✔✔Due to the cell wall - strong
Where is the nucleus placed in a plant cell? - ✔✔In one corner/side
What is the role of chloroplasts? - ✔✔Full of a pigment called chlorophyll
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, This is where photosynthesis takes place
What are bacteria responsible for? - ✔✔Diseases such as tuberculosis,
cholera.
What does a bacterial cell contain? - ✔✔Pilli
Plasmid
Ribosomes
Cytoplasm
Plasma membrane
Cell wall
Capsule
Bacterial Flagellum
Nucleoid - circular DNA
What is the purpose of a flagella to a bacterial cell? - ✔✔Helps it to move
What is the crucial thing about a bacterial cell? - ✔✔There is no distinct
nucleus - have nucleoid instead
What is a plasmid? - ✔✔Genetic information
What is the purpose of dendrites on a nerve cell? - ✔✔Allows the cells to
make lots of connections with other cells
4
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
