Daily Practice · GCSE Science
June 1957 5-a-day
Every sheet in June 1957
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 1957Define an undifferentiated cell.
- 2nd June 1957Which tissue transports water and mineral ions from the roots?
- 3rd June 1957Give three uses of the glucose produced in photosynthesis.
- 4th June 1957Explain, using the idea of natural selection, why a population of insects can become resistant to a pesticide over time.
- 5th June 1957A peat bog covered an area of 850 hectares in 2015. By 2025, drainage for farmland had reduced the peat bog to 680 hectares. Calculate the percentage decrease in the area of the peat bog.
- 6th June 1957Explain why steel (an alloy of iron and carbon) is generally harder than pure iron.
- 7th June 1957Why do polymers have higher melting points than small molecules such as methane?
- 8th June 1957Complete: acid + metal carbonate gives ...
- 9th June 1957State the four factors that can increase the rate of a chemical reaction.
- 10th June 1957Name the carboxylic acid produced when ethanol is oxidised.
- 11th June 1957Describe, in terms of wavelength, the difference between the radiation the Earth receives from the Sun and the radiation it re-emits from its surface.
- 12th June 1957By what factor does kinetic energy increase if speed is doubled?
- 13th June 1957State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
- 14th June 1957Define the term 'half-life' of a radioactive isotope.
- 15th June 1957Define the term 'wavelength' of a wave.
- 16th June 1957State the difference between an alternator and a dynamo.
- 17th June 1957A microscope has a x10 eyepiece lens and a x20 objective lens. Calculate the total magnification.
- 18th June 1957Describe the positive result of the Biuret test.
- 19th June 1957What is tested during preclinical testing?
- 20th June 1957State the type of effector that produces a physical response by contracting.
- 21st June 1957Give one example of a biotic factor that could affect a population of rabbits.
- 22nd June 1957Explain why potable water is not the same as pure water.
- 23rd June 1957Explain why sodium chloride conducts electricity when molten but not when solid.
- 24th June 1957Why do companies prefer reactions with a high atom economy?
- 25th June 1957On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
- 26th June 1957Balance the equation for the complete combustion of methane: CH4 + O2 -> CO2 + H2O
- 27th June 1957Explain why the solvent level in the container must be below the pencil baseline.
- 28th June 1957In the specific heat capacity practical, why is the block insulated?
- 29th June 1957Describe the current-potential difference graph for a filament lamp.
- 30th June 1957State the difference between irradiation and contamination.