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Daily Practice · GCSE Science

March 1970 5-a-day

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March 1970

31 sheets · 155 questions · GCSE

March 1970 compilationAll answers

Every sheet in March 1970

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 1970In a simple d.c. electric motor, state the name and function of the component that reverses the current in the coil every half turn.
  2. 2nd March 1970Define the independent variable.
  3. 3rd March 1970An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
  4. 4th March 1970Name the type of pathogen that causes malaria.
  5. 5th March 1970Name the gland that monitors and controls blood glucose concentration.
  6. 6th March 1970Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
  7. 7th March 1970An atom has atomic number 11 and mass number 23. State the number of protons.
  8. 8th March 1970Why are the noble gases unreactive?
  9. 9th March 1970How many atoms are there in 0.5 mol of helium?
  10. 10th March 1970State whether the combustion of methane is exothermic or endothermic.
  11. 11th March 1970State the two named reactants used in the Haber process.
  12. 12th March 1970Describe the test, and the positive result, for ammonium ions.
  13. 13th March 1970Convert 3.5 kJ into joules.
  14. 14th March 1970Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
  15. 15th March 1970How is the temperature of a gas related to the motion of its molecules?
  16. 16th March 1970A ball decelerates uniformly from 18 m/s to 0 m/s over a distance of 2.7 m while being caught. Using (final velocity)^2 = (initial velocity)^2 + 2 x acceleration x distance, calculate its deceleration.
  17. 17th March 1970An X-ray has a wavelength of 1 x 10^-10 m. Calculate its frequency (speed of light = 3 x 10^8 m/s).
  18. 18th March 1970A satellite in a stable, small-radius, close orbit around the Earth is compared with a satellite in a stable, large-radius, distant orbit. State which of the two satellites has the greater orbital speed.
  19. 19th March 1970How many pairs of chromosomes are there in a human body cell?
  20. 20th March 1970Where are most stomata found on a typical leaf, and why?
  21. 21st March 1970Name four limiting factors of photosynthesis.
  22. 22nd March 1970Give one piece of evidence that supports Darwin's theory of evolution by natural selection.
  23. 23rd March 1970State what is meant by the term biodiversity.
  24. 24th March 1970Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
  25. 25th March 1970Give one use of nanoparticles and one associated risk.
  26. 26th March 1970Give the ionic equation for neutralisation.
  27. 27th March 1970State what is shown on a rate graph when the line for the volume of gas produced becomes horizontal (flat).
  28. 28th March 1970Name the two methods used to produce ethanol industrially.
  29. 29th March 1970Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
  30. 30th March 1970State the equation for gravitational potential energy.
  31. 31st March 1970State the correct SI unit for density.