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Daily Practice · GCSE Science

July 1954 5-a-day

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July 1954

31 sheets · 155 questions · GCSE

July 1954 compilationAll answers

Every sheet in July 1954

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

  1. 1st July 1954How many pairs of chromosomes are there in a human body cell?
  2. 2nd July 1954Where are most stomata found on a typical leaf, and why?
  3. 3rd July 1954Name four limiting factors of photosynthesis.
  4. 4th July 1954Define the term allele.
  5. 5th July 1954State what is meant by the term biodiversity.
  6. 6th July 1954Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
  7. 7th July 1954Give one use of nanoparticles and one associated risk.
  8. 8th July 1954Give the ionic equation for neutralisation.
  9. 9th July 1954State what is shown on a rate graph when the line for the volume of gas produced becomes horizontal (flat).
  10. 10th July 1954Explain why carboxylic acids are described as 'weak acids'.
  11. 11th July 1954Explain, in one sentence, why the oceans were able to form only after the early Earth had cooled.
  12. 12th July 1954State the equation for gravitational potential energy.
  13. 13th July 1954A 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.
  14. 14th July 1954Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
  15. 15th July 1954Explain why ultraviolet radiation can be harmful to human skin.
  16. 16th July 1954State two ways of inducing a potential difference across a conductor using a magnetic field.
  17. 17th July 1954State one structure found in a bacterial cell but not in an animal cell.
  18. 18th July 1954Explain what happens to an enzyme above its optimum temperature.
  19. 19th July 1954Name three non-specific defences of the human body.
  20. 20th July 1954A ruler is released and falls 20 cm before being caught. Using distance = 0.5 x g x time^2 with g = 9.8 m/s^2, calculate the reaction time, to 3 significant figures.
  21. 21st July 1954Name the equipment used to measure the abundance of a small plant species within a sample area.
  22. 22nd July 1954Define a finite resource, giving one example.
  23. 23rd July 1954State one reason why simple covalent substances such as chlorine have low melting points.
  24. 24th July 1954Convert a concentration of 0.20 moles per cubic decimetre of NaOH into grams per cubic decimetre. (Mr = 40)
  25. 25th July 1954State the energy transfer that occurs during an exothermic reaction.
  26. 26th July 1954Define the term 'hydrocarbon'.
  27. 27th July 1954In a chromatography experiment, a dye spot travels 4.5 cm and the solvent front travels 6.0 cm. Calculate its Rf value.
  28. 28th July 1954Define the resolution of a measuring instrument.
  29. 29th July 1954Two 4 ohm resistors are connected in series. Calculate the total resistance.
  30. 30th July 1954Which type of radiation is stopped by a sheet of paper?
  31. 31st July 1954A shopping trolley has a mass of 25 kg. Calculate its weight, taking g = 9.8 N/kg.