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Daily Practice · GCSE Science

January 1998 - GCSE Science 5-a-day

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January 1998

31 sheets · 155 questions · GCSE

January 1998 compilationAll answers

Every sheet in January 1998

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

  1. 1st January 1998Explain why a current-carrying wire positioned exactly parallel to a magnetic field experiences no force.
  2. 2nd January 1998In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
  3. 3rd January 1998State two ways that bile aids the digestion of fats.
  4. 4th January 1998Why can HIV not be treated with antibiotics?
  5. 5th January 1998Name the three parts common to every homeostatic control system.
  6. 6th January 1998State one advantage and one disadvantage of selective breeding in farm animals.
  7. 7th January 1998State the relative charge of a neutron.
  8. 8th January 1998State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
  9. 9th January 1998Define the limiting reactant.
  10. 10th January 1998A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
  11. 11th January 1998In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
  12. 12th January 1998Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
  13. 13th January 1998Why should you write down the equation even if you cannot finish the calculation?
  14. 14th January 1998A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
  15. 15th January 1998What causes the pressure of a gas on the walls of its container?
  16. 16th January 1998A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.
  17. 17th January 1998A microwave oven uses electromagnetic waves with a wavelength of 0.12 m. Calculate the frequency of these waves (speed of light = 3 x 10^8 m/s).
  18. 18th January 1998Put the following in order of increasing distance from the Sun: Mars, Venus, Saturn, Earth.
  19. 19th January 1998Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
  20. 20th January 1998Why are xylem cells strengthened with lignin?
  21. 21st January 1998Why is glucose converted into starch for storage?
  22. 22nd January 1998Name the three-domain system of classification, and name the scientist most associated with proposing it.
  23. 23rd January 1998State one way in which high biodiversity benefits an ecosystem.
  24. 24th January 1998Explain how painting an iron gate helps prevent it from rusting.
  25. 25th January 1998Why can an ionic solid not conduct electricity?
  26. 26th January 1998Name the salt made from zinc oxide and nitric acid.
  27. 27th January 1998State what is meant by a catalyst.
  28. 28th January 1998State the functional group found in all alcohols.
  29. 29th January 1998Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.
  30. 30th January 1998Define specific heat capacity.
  31. 31st January 1998Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.