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Daily Practice · GCSE Science

July 1969 5-a-day

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July 1969

31 sheets · 155 questions · GCSE

July 1969 compilationAll answers

Every sheet in July 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 July 1969Describe the symptoms of rose black spot and its effect on the plant.
  2. 2nd July 1969Name the hormone released when blood glucose concentration is too high, and state its overall effect.
  3. 3rd July 1969Define mutation.
  4. 4th July 1969Explain, in terms of electrons, why reactivity decreases going down Group 7.
  5. 5th July 1969Why did Mendeleev leave gaps in his table?
  6. 6th July 1969Calculate the mass of 0.25 mol of sodium hydroxide, NaOH. (Na = 23, O = 16, H = 1)
  7. 7th July 1969Explain, in terms of bonds, why breaking bonds is an endothermic process.
  8. 8th July 1969The forward reaction of a particular reversible reaction is exothermic. State whether the reverse reaction is exothermic or endothermic.
  9. 9th July 1969State the flame test colour for sodium ions.
  10. 10th July 1969Calculate the gravitational potential energy gained by a 60 kg person climbing 5 m. (g = 9.8 N/kg)
  11. 11th July 1969In a series circuit, the current through one lamp is 0.30 A. State the current through a second lamp in the same circuit.
  12. 12th July 1969A gas at 200 kPa occupies 3.0 cubic metres. It is compressed to 1.5 cubic metres at constant temperature. Calculate the new pressure.
  13. 13th July 1969State what the gradient of a distance-time graph represents.
  14. 14th July 1969Explain why ultraviolet, X-rays and gamma rays can be hazardous to human health, but radio waves are not.
  15. 15th July 1969Explain, in terms of forces, why a satellite in a stable orbit does not fall towards the Earth or fly off into space.
  16. 16th July 1969State three functions of mitosis.
  17. 17th July 1969What happens to guard cells when a plant is short of water?
  18. 18th July 1969Write the word equation for photosynthesis.
  19. 19th July 1969In pea plants, the allele for tall stems (T) is dominant over the allele for short stems (t). A homozygous tall plant (TT) is crossed with a homozygous short plant (tt). State the genotype and phenotype of all the offspring.
  20. 20th July 1969State one method used to try to maintain biodiversity.
  21. 21st July 1969Explain, using the reactivity series, why attaching blocks of zinc to the hull of a steel ship helps prevent the steel from rusting.
  22. 22nd July 1969Why is graphite soft and slippery?
  23. 23rd July 1969Explain the difference between a strong acid and a concentrated acid.
  24. 24th July 1969A reaction between calcium carbonate and hydrochloric acid produces 72 cm3 of carbon dioxide gas in 30 seconds. Calculate the mean rate of reaction.
  25. 25th July 1969State what happens to the carbon-to-carbon double bond of an alkene monomer during addition polymerisation.
  26. 26th July 1969Describe, in terms of wavelength, the difference between the radiation the Earth receives from the Sun and the radiation it re-emits from its surface.
  27. 27th July 1969Name four energy stores.
  28. 28th July 1969State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
  29. 29th July 1969State one source of natural background radiation and one source of artificial (man-made) background radiation.
  30. 30th July 1969Name the type of electromagnetic wave used to sterilise medical equipment.
  31. 31st July 1969A transformer has a primary current of 2.0 A and a primary voltage of 230 V. The secondary voltage is 460 V. Assuming the transformer is 100 percent efficient, calculate the secondary current.