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Daily Practice · GCSE Science

January 1969 5-a-day

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January 1969

31 sheets · 155 questions · GCSE

January 1969 compilationAll answers

Every sheet in January 1969

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 1969Name the substance in red blood cells that binds oxygen.
  2. 2nd January 1969Complete the word equation for anaerobic respiration in yeast: glucose -> ___ + ___
  3. 3rd January 1969State one risk factor linked to type 2 diabetes.
  4. 4th January 1969In 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.
  5. 5th January 1969Give one reason distillation of seawater requires a large energy input.
  6. 6th January 1969Give the charge on an ion formed by a group 2 element.
  7. 7th January 1969A 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.
  8. 8th January 1969State one factor that affects the size of the voltage produced by a chemical cell.
  9. 9th January 1969Define the term 'homologous series'.
  10. 10th January 1969Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
  11. 11th January 1969Name the energy store associated with a moving car.
  12. 12th January 1969Why is the live wire dangerous even when a device is switched off?
  13. 13th January 1969Describe the plum pudding model.
  14. 14th January 1969Write down the equation that links moment, force and distance.
  15. 15th January 1969A wire of length 0.20 m carries a current of 5.0 A at right angles to a magnetic field of flux density 0.60 T. Calculate the force on the wire.
  16. 16th January 1969Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
  17. 17th January 1969State the type of large biological molecule that all enzymes are made from.
  18. 18th January 1969Define a communicable disease.
  19. 19th January 1969Explain, in terms of blood vessels, how the skin helps to cool the body when it is too hot.
  20. 20th January 1969Define speciation.
  21. 21st January 1969A sample contains 90% of an isotope with mass number 10 and 10% of an isotope with mass number 11. Calculate the relative atomic mass, to 1 decimal place.
  22. 22nd January 1969Explain why potassium is more reactive than sodium.
  23. 23rd January 1969Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
  24. 24th January 1969Using the values in the previous question, calculate the overall energy change for the reaction.
  25. 25th January 1969State the catalyst commonly used in the Haber process.
  26. 26th January 1969A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
  27. 27th January 1969A device transfers 4500 J in 90 s. Calculate its power.
  28. 28th January 1969A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.
  29. 29th January 1969Why does a bicycle pump get warm when used?
  30. 30th January 1969Define the term 'vector quantity' and give one example.
  31. 31st January 1969Name the type of electromagnetic wave used to treat cancer by killing cells in a tumour, and state which part of the atom emits it.