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Daily Practice · GCSE Science

March 1992 5-a-day

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March 1992

31 sheets · 155 questions · GCSE

March 1992 compilationAll answers

Every sheet in March 1992

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 1992State the three factors needed for a current-carrying wire to experience a force due to the motor effect.
  2. 2nd March 1992Define the independent variable.
  3. 3rd March 1992Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
  4. 4th March 1992Name the type of pathogen that causes malaria.
  5. 5th March 1992A patient's core body temperature has fallen to 35 degrees Celsius. State two physical responses their body makes to raise it back toward normal.
  6. 6th March 1992Explain one reason it took many years for Darwin's theory of evolution by natural selection to become widely accepted.
  7. 7th March 1992Write the electronic structure of an atom with 12 electrons.
  8. 8th March 1992Why are the noble gases unreactive?
  9. 9th March 1992How many atoms are there in 0.5 mol of helium?
  10. 10th March 1992A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
  11. 11th March 1992State what is meant by dynamic equilibrium.
  12. 12th March 1992Describe the test, and the positive result, for ammonium ions.
  13. 13th March 1992Convert 3.5 kJ into joules.
  14. 14th March 1992State the UK mains supply frequency and typical potential difference.
  15. 15th March 1992How is the temperature of a gas related to the motion of its molecules?
  16. 16th March 1992A skydiver reaches terminal velocity during free fall. Explain what is meant by 'terminal velocity'.
  17. 17th March 1992State the seven regions of the electromagnetic spectrum in order of increasing frequency.
  18. 18th March 1992State what provides the centripetal force that keeps a planet in orbit around the Sun.
  19. 19th March 1992How many pairs of chromosomes are there in a human body cell?
  20. 20th March 1992Where are most stomata found on a typical leaf, and why?
  21. 21st March 1992Name four limiting factors of photosynthesis.
  22. 22nd March 1992Define the term allele.
  23. 23rd March 1992State what is meant by the term biodiversity.
  24. 24th March 1992Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
  25. 25th March 1992Give one use of nanoparticles and one associated risk.
  26. 26th March 1992Give the ionic equation for neutralisation.
  27. 27th March 1992State what is shown on a rate graph when the line for the volume of gas produced becomes horizontal (flat).
  28. 28th March 1992Explain why carboxylic acids are described as 'weak acids'.
  29. 29th March 1992Explain, in one sentence, why the oceans were able to form only after the early Earth had cooled.
  30. 30th March 1992State the equation for gravitational potential energy.
  31. 31st March 1992A 1.5 kg block of iron is heated from 18 degrees C to 98 degrees C. The specific heat capacity of iron is 450 J/(kg degrees C). Calculate the change in thermal energy.