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Daily Practice · GCSE Science

March 1989 5-a-day

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March 1989

31 sheets · 155 questions · GCSE

March 1989 compilationAll answers

Every sheet in March 1989

The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.

  1. 1st March 1989State one way that pathogens can be spread from person to person.
  2. 2nd March 1989Explain why breathing rate and breathing depth both increase during exercise.
  3. 3rd March 1989In pea plants, purple flower colour (allele H) is dominant over white flower colour (allele h). State the phenotype of a plant with genotype Hh.
  4. 4th March 1989Name one way to make a rate of reaction experiment more valid rather than simply more precise.
  5. 5th March 1989Define an isotope.
  6. 6th March 1989A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?
  7. 7th March 1989State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.
  8. 8th March 1989Explain how a catalyst increases the rate of a reaction without being used up.
  9. 9th March 1989State the difference between a pure substance and a formulation.
  10. 10th March 1989Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
  11. 11th March 1989Name three renewable energy resources.
  12. 12th March 1989State the equation for density.
  13. 13th March 1989State whether friction is a contact force or a non-contact force.
  14. 14th March 1989Give one everyday example of a transverse wave and one everyday example of a longitudinal wave.
  15. 15th March 1989State what happens to the orbital speed needed for a stable orbit as the orbital radius increases.
  16. 16th March 1989Why is a stain such as iodine used when preparing a slide?
  17. 17th March 1989Give two adaptations of a red blood cell.
  18. 18th March 1989Complete the word equation for anaerobic respiration in yeast: glucose -> ___ + ___
  19. 19th March 1989Explain why type 1 diabetes is treated with insulin injections rather than tablets.
  20. 20th March 1989Explain why a pyramid of biomass is never wider at the top than at the bottom.
  21. 21st March 1989Give one reason distillation of seawater requires a large energy input.
  22. 22nd March 1989Define a covalent bond.
  23. 23rd March 1989A student reacts 2.4 g of magnesium with excess dilute hydrochloric acid: Mg + 2HCl -> MgCl2 + H2. Relative atomic mass of Mg = 24. Calculate the number of moles of hydrogen gas produced.
  24. 24th March 1989State the difference between a rechargeable cell and a non-rechargeable cell.
  25. 25th March 1989Name the alkene with the molecular formula C4H8.
  26. 26th March 1989Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
  27. 27th March 1989Name the energy store associated with a moving car.
  28. 28th March 1989Calculate the current drawn by a 1150 W kettle on a 230 V supply.
  29. 29th March 1989State the approximate radius of a nucleus compared with the radius of an atom.
  30. 30th March 1989A spanner is used to loosen a bolt. Explain why using a longer spanner makes it easier to loosen the bolt.
  31. 31st March 1989State two ways of increasing the force produced by a motor effect setup, for a wire of fixed length at a fixed angle to the field.