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Daily Practice · GCSE Science

January 1957 5-a-day

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January 1957

31 sheets · 155 questions · GCSE

January 1957 compilationAll answers

Every sheet in January 1957

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 1957State one source of natural background radiation and one source of artificial (man-made) background radiation.
  2. 2nd January 1957Name the type of electromagnetic wave used to sterilise medical equipment.
  3. 3rd January 1957A 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.
  4. 4th January 1957Name the structure in a plant cell that controls the substances entering and leaving the cell.
  5. 5th January 1957What is an enzyme?
  6. 6th January 1957Describe phagocytosis.
  7. 7th January 1957Explain why reflex responses are faster than voluntary responses.
  8. 8th January 1957Define community, in ecological terms.
  9. 9th January 1957Name two methods of desalinating seawater.
  10. 10th January 1957Name the giant covalent structure made of carbon in which each carbon atom is bonded to four others.
  11. 11th January 1957Give the formula for percentage yield.
  12. 12th January 1957A student reacts excess zinc powder with 25 cm3 of copper sulfate solution in a polystyrene cup. The starting temperature is 21.0 degrees C and the maximum temperature reached is 58.5 degrees C. Calculate the temperature change.
  13. 13th January 1957Name the two industrial methods of cracking.
  14. 14th January 1957State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
  15. 15th January 1957Distinguish repeatability from reproducibility.
  16. 16th January 1957How does the resistance of a thermistor change as it gets hotter?
  17. 17th January 1957What is an alpha particle made of?
  18. 18th January 1957Explain, using Newton's Third Law, why a swimmer is able to push themselves forward by pushing backward against the water.
  19. 19th January 1957State what happens to the magnetic field around a straight current-carrying wire if the direction of the current is reversed.
  20. 20th January 1957State what red-shift shows about the motion of most distant galaxies.
  21. 21st January 1957Explain why a plant cell placed in pure water does not burst.
  22. 22nd January 1957Describe how phagocytes destroy pathogens in the body.
  23. 23rd January 1957State the word equation for aerobic respiration.
  24. 24th January 1957State one ethical concern raised by embryo screening.
  25. 25th January 1957In the rate experiment where a cross disappears, why is the result subjective?
  26. 26th January 1957An atom has an atomic number of 17 and a mass number of 37. How many neutrons does it have?
  27. 27th January 1957Calculate the number of moles in 20 g of calcium carbonate. (Mr = 100)
  28. 28th January 1957State the name given to the negative electrode in electrolysis.
  29. 29th January 1957Explain why using a light sensor and data logger is more reliable than timing by eye in the disappearing cross practical.
  30. 30th January 1957A solid gives a lilac flame test. Name the metal ion present.
  31. 31st January 1957Name the two additional products that can form during the incomplete combustion of a hydrocarbon fuel.