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A-LEVEL Cheat Sheet 2026

The 30 highest-yield A-LEVEL facts, distilled from real exam questions. Print it, save it as a PDF, or study it here β€” free, no sign-up.

60 questions
90 min time limit
70.00% to pass
  1. Which measure of central tendency is most appropriate for ordinal data? β†’ Median
  2. What does the Gini Coefficient measure? β†’ Income inequality within a population
  3. In Shakespeare's 'Hamlet', what literary device is employed in the soliloquy 'To be, or not to be'? β†’ Antithesis
  4. What is the quotient rule for differentiation? β†’ d/dx(u/v) = (u'v βˆ’ uv')/vΒ²
  5. Which organelle is the site of aerobic respiration in eukaryotic cells? β†’ Mitochondrion
  6. What is the chain rule for differentiation? β†’ dy/dx = dy/du Γ— du/dx
  7. What does PEEL stand for in paragraph writing? β†’ Point, Evidence, Explain, Link
  8. What is the condition for two lines in 3D to be perpendicular? β†’ The dot product of their direction vectors equals zero
  9. Le Chatelier's principle predicts that increasing the pressure of a gaseous equilibrium will favour which side? β†’ The side with fewer moles of gas
  10. A geometric series has first term 8 and common ratio 0.5. What is the sum to infinity? β†’ 16
  11. What is the process of transcription in protein synthesis? β†’ Copying a section of DNA into mRNA in the nucleus
  12. In George Orwell's 'Animal Farm', the pigs gradually becoming indistinguishable from humans is an example of which literary device? β†’ Allegory
  13. During the light-dependent reactions of photosynthesis, what is the role of photolysis? β†’ Splitting water molecules to release electrons, protons, and oxygen
  14. What does the trapezium rule estimate? β†’ The area under a curve by dividing it into trapezoids
  15. What does ∫(3xΒ² + 2x) dx equal? β†’ xΒ³ + xΒ² + C
  16. What is meant by 'urban heat island' effect? β†’ Higher temperatures recorded in urban areas compared to surrounding rural areas
  17. What is the key feature that distinguishes an experiment from a correlational study? β†’ Manipulation of an independent variable to observe its effect on a dependent variable
  18. Two forces of 3 N and 4 N act at right angles to each other. What is the magnitude of the resultant force? β†’ 5 N
  19. What is the difference between an endothermic and an exothermic reaction in terms of enthalpy? β†’ Endothermic: Ξ”H > 0 (heat absorbed); exothermic: Ξ”H < 0 (heat released)
  20. Which of the following best describes an ionic bond? β†’ Electrostatic attraction between oppositely charged ions formed by electron transfer
  21. What is the role of restriction enzymes in genetic engineering? β†’ To cut DNA at specific recognition sequences, producing fragments for cloning
  22. What is the sum of an infinite geometric series with first term a and common ratio r (|r| < 1)? β†’ a/(1 βˆ’ r)
  23. What is the 'multiplier effect' in economic geography? β†’ The way in which one economic investment generates further economic activity and jobs
  24. Which of the following is an example of a push factor in migration? β†’ Political persecution in the country of origin
  25. What is the equation of a circle with centre (3, βˆ’2) and radius 5? β†’ (x βˆ’ 3)Β² + (y + 2)Β² = 25
  26. In 'A Christmas Carol' by Charles Dickens, Scrooge primarily functions as which type of character? β†’ A dynamic character who undergoes significant transformation
  27. What is the empirical formula of a compound containing 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen by mass? β†’ CHβ‚‚O
  28. Solve 2sin(x) - 1 = 0 for 0 ≀ x ≀ 2Ο€. How many solutions are there? β†’ 2
  29. On a velocity-time graph, what does the area under the line represent? β†’ Displacement
  30. A car of mass 1200 kg travels at 30 m/s. What is its kinetic energy? β†’ 540 kJ
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