IBDP Biology

Revision quizzes for DP Biology 2025

B1.2 Proteins - revision quiz

This simple revision quiz contains questions to help you revise the topic B2.3 Specialised cells This topic is all about the way that stem cells can differentiate into many different kinds of specialised cells. These cells each have adaptations...

Revision quizzes for DP Biology 2025

B1.1 Carbohydrates & lipids - Revision quiz

This simple revision quiz contains questions to help you revise the topic B2.3 Specialised cells This topic is all about the way that stem cells can differentiate into many different kinds of specialised cells. These cells each have adaptations...

Revision quizzes for DP Biology 2025

A4.2 Conservation & biodiversity - revision quiz

This simple revision quiz contains questions to help you revise the topic A4.1 Evolution and speciation. This topic is all about the different types of evidence for evolution and the way that reproductive isolation can lead to speciation. At...

Revision quizzes for DP Biology 2025

A4.1 Evolution & speciation - Revision quiz

This simple revision quiz contains questions to help you revise the topic B2.3 Specialised cells This topic is all about the way that stem cells can differentiate into many different kinds of specialised cells. These cells each have adaptations...

Revision quizzes for DP Biology 2025

A3.1 Diversity of organisms - revision quiz

This simple revision quiz contains questions to help you revise the topic A 3.1 Diversity of organisms. This topic is all about taxonomy and the concepts of a species in classification. It includes Linneus and the Binomial nomenclature as well...

Revision quizzes for DP Biology 2025

A1.2 Nucleic acids - revision quiz

This simple revision quiz contains questions to help you revise the topic A1.1 Water. This topic is all about the polarity of water molecules, hydrogen bonding and how the physical properties of water effect the adaptations of animals like the...

Revision quizzes for DP Biology 2025

A2.3 Viruses (HL) - revision quiz

This revision quiz contains questions to help you revise A2.3 Viruses (HL). This topic is all about the variety of structures which viruses have, the way that they use a host cell to replicate, and the differences between the lytic and the lysogenic cycle.

Theme A topics Free

This is an introduction to the Cell Biology topic. This page lists the understandings and skills expected for topic one. Helpful for revision.

Revision quizzes for DP Biology 2025

B2.3 Specialised cells - revision quiz

This simple revision quiz contains questions to help you revise the topic B2.3 Specialised cells This topic is all about the way that stem cells can differentiate into many different kinds of specialised cells. These cells each have adaptations.

Revision quizzes for DP Biology 2025

A3.2 Classification & cladistics - revision quiz

This simple revision quiz contains questions to help you revise the topic A1.1 Water. This topic is all about the polarity of water molecules, hydrogen bonding and how the physical properties of water effect the adaptations of animals like the...

Revision quizzes for DP Biology 2025

D2.3 Water potential - revision quiz

This simple revision quiz contains questions to help you revise the topic A2.2 Cell Structure This topic is all about the evidence to support the origin of the first cells, the early Earth atmosphere and the way lipids form 'bubbles' which can...

Revision quizzes for DP Biology 2025

A2.1 Origin of cells - revision quiz

This simple revision quiz contains questions to help you revise the topic A2.2 Cell Structure This topic is all about the use of microscopes, preparation of slides and the structure of prokaryote and eukaryote cells.

Revision quizzes for DP Biology 2025

A2.2 Cell structure - revision quiz Free

This simple revision quiz contains questions to help you revise the topic A2.2 Cell Structure This topic is all about the use of microscopes, preparation of slides and the structure of prokaryote and eukaryote cells.  

Revision quizzes for DP Biology 2025

A1.1 Water - revision quiz Free

This simple revision quiz contains questions to help you revise the topic A1.1 Water. This topic is all about the polarity of water molecules, hydrogen bonding and how the physical properties of water effect the adaptations of animals like the...

Revision quizzes for DP Biology 2025 Free

These pages contain exam style questions, organised by topic. Paper 1 style questions are multiple choice. You are not allowed to use a calculator. They test breadth of knowledge and and biological skills. Practise these questions to improve...

Paper 2 style Exam questions

Paper 2 questions Topic 5 Evolution

This page contains Paper 2 style questions that need structured longer written answers. A calculator can be used for any calculations. Every question comes with a few notes about the topic and a model answer.

Second Free Access Weekend! Free

If you have a Basic subscription we are opening free access to all the site pages on Saturday 4th and Sunday 5th March! You will be able to see all the resources, in all the topics. There is lots to help you with your Biology revision / self-study.

Paper 2 style Exam questions

Cross topic question challenges

These challenges help you to connect different topics by their biological concepts. You must choose the correct word to complete the paragraphs. The paragraphs illustrate how similar sub-topics link together.

Paper 2 style Exam questions

Paper 2 questions from Topic 2 Molecules

This page contains Paper 2 style questions that need structured longer written answers. A calculator can be used for any calculations. Every question comes with a few notes about the topic and a model answer.

Paper 2 style Exam questions Free

These pages contain longer written answers to questions found in paper two and three. Paper 2 style questions have several styles. You are allowed to use a calculator. They test detailed subject knowledge, application of knowledge and the use...