MathsGenie logo
RevisionResourcesBlog

1m+ Students Can't Be Wrong

What GCSE and A-level students say after revising with MathsGenie.

Harvey B. avatar

Harvey B.

Student

“This is such an amazing platform, it offers everything needed to improve your grade in a time efficient manor. Personally I love the videos as I am able to find areas that I am weak at in the practice papers.”
Tameem R. avatar

Tameem R.

Student

“Genuinely took me from a grade 4 in maths to achieving a grade 8 in my GCSE's in less than a few months. Best mathematics revision website for those who are aiming to get those high grades.”
Anyim P. avatar

Anyim P.

Student

“Genuinely I think every maths student should have this site. It takes you through the entire AS and A level Maths course, alongside exam questions with step by step solutions.”
Muhammad A. avatar

Muhammad A.

Student

“predicted papers are very useful and i believe there's not a better website for GCSE maths in the UK”
Rayan K. avatar

Rayan K.

Student

“Best Maths Resource out there! Absolutely amazing videos and very concise explantions on everything. Don't even get me started on the loads of exam question/worksheets that are so helpful. And it's all free!”
Dee avatar

Dee

Student

“The best Maths resource site in the world! They have it all and do a great job of keeping everything up to date. I still don't know how they are able to make this free for all. You are truly amazing.”
Hamid I. avatar

Hamid I.

Student

“They have helped me with my A level Maths performance significantly and I jumped from a grade U to a Grade A in only 2-3 months. I HIGHLY recommend to Maths students especially for A level.”
Sophie avatar

Sophie

Student

“MathsGenie's YouTube videos and worksheets are amazing. The videos go into such great depth but in a way that's simple to understand.”
Maria E. avatar

Maria E.

Student

“Amazing website! Truly helped with my GCSEs - I was a very poor student. Managed to go up and reach all grade 6-9's from U-4's. Would definitely recommend :)”
Justine K. avatar

Justine K.

Student

“Absolutely brilliant website with well organised, well written resources for learning or revising maths. I never hesitate to recommend mathsgenie to my students.”
Daryl G. avatar

Daryl G.

Student

“Took me a bit of getting used to but this new site is excellent. I found the old one really useful but this is next level. I share it with all my colleagues and students.”
Binuk J. avatar

Binuk J.

Student

“I used to be really bad at math. My first GCSE mocks I had a 2 but after I found MathsGenie I jumped from 2 to 4 under 3 months.”
Jourdie avatar

Jourdie

Student

“Improved my grade, I used to be borderline passing maths now I'm performing much better. There are videos, practice papers, solutions, exam questions, past GCSE papers all for free. This is really useful.”
Olla avatar

Olla

Student

“Honestly, it's super great. Easy, with the explanation on the side. Every topic also has more than 50 questions, making you feel more confident in doing different types f question in one topic. Try it!”

Ready to breeze through your GCSEs?IGCSEs?A-Levels?AS Levels?GCSEs?GCSEs?

Sign inStart studying for free

Footer

Quick links

  • GCSE past papers
  • GCSE question bank
  • GCSE worksheets
  • GCSE revision guides
  • GCSE lessons
  • Literary Hub
  • Free maths course
  • A Level past papers
  • A Level question bank
  • Old MathsGenie

Tools

  • Revision planner
  • Mock exam builder
  • Ask Genie AI
  • Answer marking
  • Grade calculator
  • Pricing

Company

  • About MathsGenie
  • Careers
  • Contact
  • For educators
  • For parents
  • Student ambassadors
  • Help centre
  • More resources
  • Blog
  • Student questions
  • Sitemap
  • Privacy policy
  • Terms of Service
  • Cookie policy
  • Report a bug
MathsGenie logo

© 2026 MyDojo, Inc. All rights reserved. MyDojo, Inc. does business as MathsGenie.

Exam board names are used for identification only and do not imply affiliation or endorsement.

  1. Home
  2. /
  3. Student Questions

Your maths questions, answered

Clear explanations for the questions that slow you down, with every step of the working shown.

Genie ready to answer a maths question
Ask Genie something new
1 Cell biology

Active Transport vs Diffusion: What Is the Difference?

Learn what active transport is, why it needs energy, and how it differs from diffusion in GCSE Biology, with clear definitions and examples.

Read the answer →

1 Cell biology

How Does Mitosis Work in the Cell Cycle?

Learn how mitosis fits into the cell cycle, from cell growth and DNA replication to chromosome separation and two genetically identical cells.

Read the answer →

1 Cell biology

Page 1 of 6

Next

Still stuck? Ask Genie directly

Start a guided session and work through the idea step by step.

Ask Genie directly
Genie ready to help

Eukaryotic vs Prokaryotic Cells

Learn the differences between eukaryotic and prokaryotic cells, including their nuclei, genetic material, plasmids and sub-cellular structures.

Read the answer →

1 Cell biology

What Is Diffusion? GCSE Biology Explained

Learn what diffusion means in GCSE AQA Biology, how concentration affects net movement, examples in living organisms, and common exam mistakes.

Read the answer →

1 Cell biology

How to Culture Microorganisms Safely

Learn how to culture microorganisms safely using aseptic technique, sterilised equipment, agar plates and correct incubation for AQA GCSE Biology.

Read the answer →

1 Cell biology

What Is Osmosis? GCSE Biology Explained

Learn what osmosis is, how water crosses a partially permeable membrane, and why plant tissue changes mass in AQA GCSE Biology exam questions.

Read the answer →

1 Cell biology

What Are Chromosomes? GCSE Biology Explained

Learn what chromosomes are, where they are found, how they carry genes, and why they are copied before cell division for AQA GCSE Biology exams in clear notes.

Read the answer →

1 Cell biology

What Are Stem Cells and How Are They Used?

Learn what stem cells are, how embryonic and adult stem cells differ, and how therapeutic cloning may treat disease, including the risks, for AQA GCSE Biology.

Read the answer →

1 Cell biology

How Does Cell Specialisation Work?

Learn how cell specialisation works through differentiation, with GCSE Biology examples of specialised animal and plant cells and their adaptations.

Read the answer →

1 Cell biology

What Is Cell Differentiation? GCSE Biology

Learn what cell differentiation means, when it occurs in animals and plants, and how specialised cells perform their functions for AQA GCSE Biology.

Read the answer →

2 Organisation

How Does the Human Digestive System Work?

Learn how the human digestive system breaks down food using enzymes and bile, then absorbs small, soluble molecules into the blood for GCSE Biology.

Read the answer →

2 Organisation

What Is the Composition and Function of Blood?

Learn the four components of blood—plasma, red and white blood cells, and platelets—and how each is adapted to its function for AQA GCSE Biology.

Read the answer →

2 Organisation

What Causes Coronary Heart Disease?

Learn what causes coronary heart disease, how fatty deposits narrow coronary arteries, and how smoking, diet and exercise increase the risk at GCSE.

Read the answer →

1 Cell biology

Differences Between Animal and Plant Cells

Learn the key differences between animal and plant cells for AQA GCSE Biology, including cell walls, chloroplasts, vacuoles and shared structures.

Read the answer →

2 Organisation

Plant Tissues and Their Functions

Learn the main plant tissues and their functions, including epidermal, palisade, spongy mesophyll, xylem, phloem and meristem tissue.

Read the answer →

2 Organisation

What Causes Cancer? Benign vs Malignant Tumours

Learn what causes cancer and compare benign and malignant tumours, including invasion, spread and secondary tumours for AQA GCSE Biology.

Read the answer →

2 Organisation

Principles of Organisation in GCSE Biology

Learn how cells form tissues, tissues form organs and organs form organ systems, with a clear GCSE Biology example and common exam mistake to avoid easily.

Read the answer →

2 Organisation

What Health Issues Are Linked to Lifestyle?

Learn how diet, smoking, alcohol and inactivity increase the risk of common health issues, including cardiovascular disease, cancer and diabetes.

Read the answer →

3 Infection and response

Fungal Diseases in Plants and Humans

Learn the fungal disease required for AQA GCSE Biology: rose black spot, including its symptoms, spread, effects and methods of treatment.

Read the answer →

3 Infection and response

What Are Communicable (Infectious) Diseases?

Learn what communicable diseases are, how pathogens spread between organisms, and the key virus, bacteria, fungus and protist examples for AQA GCSE Biology.

Read the answer →

3 Infection and response

How Does Vaccination Work? GCSE Biology

Learn how vaccination protects individuals and reduces the spread of pathogens, with a clear AQA GCSE Biology explanation and common exam mistake.

Read the answer →

3 Infection and response

How New Drugs Are Discovered and Developed

Learn how new drugs are discovered, tested in preclinical studies and developed through clinical trials for AQA GCSE Biology examinations.

Read the answer →

3 Infection and response

What are Bacterial Diseases in AQA GCSE Biology?

Learn the named bacterial diseases in AQA GCSE Biology: Salmonella food poisoning and gonorrhoea, including their spread, symptoms and control methods.

Read the answer →

3 Infection and response

How the Body Defends Itself Against Pathogens

Learn how the human body uses physical barriers, white blood cells, antibodies and antitoxins to defend itself against pathogens for AQA GCSE Biology.

Read the answer →

GCSE

  • Biology
  • Chemistry
  • English Language
  • English Literature
  • Geography
  • Maths
  • Old Maths
  • Physics
  • Statistics

IGCSE

  • Biology
  • Business
  • Chemistry
  • Computer Science
  • English Language
  • English Literature
  • Geography
  • Maths
  • Physics

A Level

  • Biology
  • Business
  • Chemistry
  • Economics
  • Maths
  • Old Maths
  • Physics
  • Psychology
  • Sociology

AS Level

  • Biology
  • Business
  • Chemistry
  • Economics
  • Maths
  • Physics
  • Psychology
  • Religious Studies
  • Sociology