Three days left. Every OCR B question opens with a real-world scenario before it asks any biology, so recall alone won't get you there. Paper 1 covers genes, keeping healthy, and life on Earth. Here's where to spend your time.
One focus per day, building to a timed run. Work it in order.
Ranked from analysed past papers. Start at the top: if you run out of time, you will have covered the most-tested ground.
DNA structure and inheritance questions appear throughout B1 in a real-world scenario, so you must be able to apply the biology to an unfamiliar context, not just recall definitions.
Genetic diagrams are a guaranteed calculation-style question. Practise them until working out ratios is second nature.
Communicable disease, pathogen spread and the body's defences form the core of B2 Keeping Healthy and appear across multiple questions on this paper.
How vaccines work and why herd immunity protects a population is consistently tested, often as an evaluate-style question about vaccination programmes.
The word equation, chlorophyll's role, and interpreting a limiting-factors graph are dependable sources of marks across the Life on Earth content.
Constructing food webs, interpreting pyramids of biomass, and redrawing the carbon cycle from memory come up consistently in B3 content.
OCR B examines 'should we use this technology?' questions directly. Learn the process and be ready to give a scientific reason for and against, not just an opinion.
Antibiotic resistance is used as a modern example of evolution and links B1 genetics directly to disease treatment content in B2.
PrepWise has a one-page Knowledge Organiser for every topic above. In your final 3 days, use them the same way each time: cover the page, try to recall everything from memory, uncover and check what you missed, then repeat that topic again tomorrow.
Rules specific to Paper 1. On this paper, structure earns as many marks as knowledge.
OCR B never asks bare recall questions. Read the context carefully first, identify which topic it's really testing, then apply what you know. Students who only memorise facts struggle here; students who understand the underlying biology can transfer it to any scenario.
These appear often and catch students out when statements look similar. Read each row as its own complete claim rather than skimming the whole table at once, and don't assume the pattern of true/false answers looks 'balanced'.
OCR B examines socio-scientific issues like genetic engineering, stem cells and biodiversity directly. Give a specific scientific reason for and against, then reach a justified conclusion. A one-sided opinion or a vague 'it depends' answer loses marks.
When asked to sequence 4-5 lettered statements into the correct order, work through the underlying process step by step rather than guessing from memory. Getting the causal chain right matters more than recognising individual facts.
The errors examiners see most on this paper. Each one is an easy mark you already know how to keep.
Writing 'survival of the fittest' as the whole answer on natural selection → That phrase alone earns no marks. You need the full chain: variation exists, some variants have an advantage, those individuals are more likely to survive and reproduce, so the allele becomes more common over generations.
Giving an opinion instead of a scientific justification on 'should we...?' questions → OCR B wants your answer grounded in biology: name a specific risk or benefit and explain the mechanism behind it, not just state whether you agree or disagree.
Confusing communicable and non-communicable disease → Communicable diseases are caused by pathogens and can spread between organisms. Non-communicable diseases are not caused by pathogens and cannot be passed on, even though lifestyle and genetic factors affect risk. Keep the definitions separate.
Saying antibiotics work on viruses → Antibiotics only work on bacteria because they target processes bacterial cells have that human and viral cells don't. Viruses reproduce inside host cells, so antibiotics have nothing to target.
Reversing answers in a true/false table under time pressure → Slow down on true/false tables specifically. It's easy to tick the wrong column when working quickly, and OCR B examiner reports flag this as a common, avoidable error.
The 60 minutes before you walk in. Review what you know and settle your nerves.
Reading this plan is not the same as being able to do it. Answer exam-style Biology questions in PrepWise, get them marked in seconds, and find the gaps while you still have time to fix them.
Open the Biology Knowledge Organisers, quiz every priority topic and walk in ready. Free during alpha.
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