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📄 Cambridge International A Level · 9700

Cambridge International A Level Biology Exam Technique Cheat Sheet 2026 (9700)

Every Cambridge International A Level Biology command word decoded — what examiners actually want, the structure that earns full marks, the top mistakes flagged in real examiner reports, and the phrases that pick up the marks others leave on the table. Free printable PDF.

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7 command words decoded

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5 top mistakes flagged

Phrases that earn marks

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Print-ready PDF

Command words — click to expand

Top tips for Biology

  1. 1For chain-of-reasoning explain questions: every sentence must contain 'because', 'therefore' or 'so that'.
  2. 2Quote values from graphs/tables for ALL describe-data questions.
  3. 3Magnification calcs: convert mm → μm explicitly (× 1000) before substituting.
  4. 4Plan 6-mark questions before writing — number the 6 points in the margin.
  5. 5Use named structures (mitochondria, ribosomes, active site) — not generic 'organelles'.

⚠️ Top mistakes examiners flag for Biology

  • Forgetting to convert units in magnification calculations.
  • Using 'particles' instead of named molecules (water, oxygen, glucose).
  • Writing about 'red blood cells' carrying oxygen — say 'haemoglobin'.
  • Confusing AS-level depth (less detail) with A2-level depth (mechanism + significance).
  • Skipping the chain of reasoning — examiners need each step in the cause → effect.

✅ Phrases that earn marks

  • …active site is complementary in shape and charge to the substrate
  • …ATP is hydrolysed releasing energy
  • …osmosis: water moves from high to low water potential through a partially-permeable membrane
  • …depolarisation occurs as Na⁺ ions enter the axon
  • …cyclic photophosphorylation produces ATP

❌ Phrases that lose marks

  • Particles move (say: ions / molecules move)
  • Stuff goes through the membrane
  • Things bind (say: substrate binds to active site)
  • Cells make energy (say: cells release energy from glucose)

Extended answers are where the marks live in Biology

Cambridge International A Level Biology 6-mark and extended-response questions are won or lost on STRUCTURE and command-word interpretation. A Tutopiya Biology specialist marks your mock answers like an examiner and shows you exactly which command words you're misreading. Submit a free enquiry to get matched.

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Cambridge International A Level Biology exam technique — FAQ

What are the most important command words in Cambridge International A Level Biology?

Cambridge International A Level Biology (9700) papers use 7 core command words. The most frequently misread are Define (where students add unnecessary explanation) and Explain (where students describe instead of reasoning with because/therefore). The full breakdown — what each word means, the answer structure, and the do/don't list — is in the interactive cheat sheet above.

What's the difference between "describe" and "explain" in Cambridge International A Level Biology?

Describe asks WHAT happens — quote values from data, state the trend, no reasoning. Explain asks WHY — every sentence must contain "because", "therefore" or "as a result". Mixing them up is one of the highest-frequency reasons Cambridge International A Level Biology students lose marks they could have earned with the same content.

What are the top examiner-flagged mistakes for Cambridge International A Level Biology?

Across recent Cambridge International A Level Biology examiner reports, the most-flagged mistakes are: Forgetting to convert units in magnification calculations.; Using 'particles' instead of named molecules; Writing about 'red blood cells' carrying oxygen. The full list with explanations is in the "Top mistakes" block in the cheat sheet above.

Can I print the Cambridge International A Level Biology exam technique cheat sheet as a PDF?

Yes — click the "Download Biology Cheat Sheet PDF" button above. Sign up free (no payment), and the printable A4 PDF downloads instantly. The PDF includes the command-word table, top tips, common mistakes and the earn/avoid phrase pairs — designed to fit on one page so you can pin it above your desk.

Will this cheat sheet help me get a top grade in Cambridge International A Level Biology?

The cheat sheet covers EXAM TECHNIQUE — how to read command words, structure answers, and use mark-scheme language. Combined with strong subject knowledge it can lift students by 1–2 grades by closing the gap on extended-response questions. Use the Cambridge International A Level Biology Grade Predictor to see where you currently sit and how many marks you need for the next grade up.

Is this Cambridge International A Level Biology cheat sheet free?

Yes — fully free. Sign up takes 10 seconds (name + email) and unlocks the PDF download for this and every other Tutopiya study tool. We use the email to send occasional Cambridge International A Level Biology revision resources and exam updates. Unsubscribe at any time.