Revision Library
/Subjects/Science/Daily Practice
Daily Practice · GCSE Science

January 1980 5-a-day

← Today's GCSE Science sheet

January 1980

31 sheets · 155 questions · GCSE

January 1980 compilationAll answers

Every sheet in January 1980

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 1980Where is the DNA found in a bacterial cell?
  2. 2nd January 1980Name the substance in red blood cells that binds oxygen.
  3. 3rd January 1980Name the gas that is released as a product of photosynthesis.
  4. 4th January 1980Name the hormone released by the adrenal glands that prepares the body for fight or flight.
  5. 5th January 1980In a grassland food chain, the biomass of grass available is 8400 kg and the biomass transferred to the rabbits that eat it is 940 kg. Calculate the percentage efficiency of biomass transfer from grass to rabbits, to 3 significant figures.
  6. 6th January 1980Explain why potable water is not required to be chemically pure.
  7. 7th January 1980Give the charge on an ion formed by a group 2 element.
  8. 8th January 1980State the name given to a reaction in which a substance loses electrons.
  9. 9th January 1980State one factor that affects the size of the voltage produced by a chemical cell.
  10. 10th January 1980State the general formula of the alkenes.
  11. 11th January 1980Give two processes that removed carbon dioxide from the early atmosphere.
  12. 12th January 1980Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
  13. 13th January 1980Why is the live wire dangerous even when a device is switched off?
  14. 14th January 1980Describe the plum pudding model.
  15. 15th January 1980A box of weight 120 N has a base area of 0.40 m^2. Calculate the pressure it exerts on the ground.
  16. 16th January 1980Explain why a current-carrying wire positioned exactly parallel to a magnetic field experiences no force.
  17. 17th January 1980Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
  18. 18th January 1980Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
  19. 19th January 1980Define a communicable disease.
  20. 20th January 1980Name the three parts common to every homeostatic control system.
  21. 21st January 1980State one advantage and one disadvantage of selective breeding in farm animals.
  22. 22nd January 1980Write the electronic structure of an atom with 12 electrons.
  23. 23rd January 1980Explain why potassium is more reactive than sodium.
  24. 24th January 1980Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
  25. 25th January 1980A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
  26. 26th January 1980In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
  27. 27th January 1980A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
  28. 28th January 1980A device transfers 4500 J in 90 s. Calculate its power.
  29. 29th January 1980State the UK mains supply frequency and typical potential difference.
  30. 30th January 1980Why does a bicycle pump get warm when used?
  31. 31st January 1980A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.