IBDP Biology

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.

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

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...

Paper 2 style Exam questions

Paper 2 questions Topic 1 Cells Free

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.

01 Cell biology

Cell division 1.6 Free

The control of cell division is just as essential for the survival of multicellular organisms as it is for the reproduction of single celled organisms. This topic covers the movement of chromosomes in the division of eukaryotic cells by mitosis.

01 Cell biology

The origin of cells 1.5 Free

Life has evolved from the first cells to all the cells we find in the huge diversity of today's organisms. This topic covers the origins of cells and the cell theory proposed by Pasteur and Schwaan when spontaneous generation of cells was believed.

01 Cell biology

Membrane transport 1.4 Free

The membrane controls what enters and leaves the cell. This includes using diffusion and osmosis. Sometimes the membrane uses integral proteins as channels and pumps, sometimes the membrane surrounds something which needs moving into or out of the cell.

Paper 1 style Exam questions

Topic 6 Human Physiology Paper 1 questions

This page contains multiple choice questions in the style of Paper 1 of the Biology exams. They test the breadth of your knowledge of the understandings and skills about Human Physiology.

05 Evolution

Cladistics 5.4

Cladistics is the study of the family relationships between different classification groups. A clade is a group containing all the descendants of an ancestor species. Understanding the evidence used to build cladograms is also required.

05 Evolution

Classification of biodiversity 5.3

Classification helps biologists wherever they are to group organisms into species sharing similar characteristics and share their ideas with others. A basic understanding of the main grouping and their basic features is covered in this topic.