Daily Practice · GCSE Science
June 1968 5-a-day
Every sheet in June 1968
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 1968Define an undifferentiated cell.
- 2nd June 1968Which tissue transports water and mineral ions from the roots?
- 3rd June 1968Give three uses of the glucose produced in photosynthesis.
- 4th June 1968Give one piece of evidence that supports Darwin's theory of evolution by natural selection.
- 5th June 1968A 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 1968Explain why steel (an alloy of iron and carbon) is generally harder than pure iron.
- 7th June 1968Why do polymers have higher melting points than small molecules such as methane?
- 8th June 1968Complete: acid + metal carbonate gives ...
- 9th June 1968State the four factors that can increase the rate of a chemical reaction.
- 10th June 1968Name the two methods used to produce ethanol industrially.
- 11th June 1968Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.
- 12th June 1968By what factor does kinetic energy increase if speed is doubled?
- 13th June 1968Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
- 14th June 1968Define the term 'half-life' of a radioactive isotope.
- 15th June 1968State whether sound waves are transverse or longitudinal.
- 16th June 1968State the name of the component at the centre of a transformer's primary and secondary coils, and state its purpose.
- 17th June 1968A student views a red blood cell at a magnification of x2000. The image of the cell measures 20 mm across. Calculate the real width of the cell, giving your answer in micrometres (um).
- 18th June 1968Describe the positive result of the Biuret test.
- 19th June 1968What is tested during preclinical testing?
- 20th June 1968State why a reflex action is described as involuntary.
- 21st June 1968A student counts 3, 5, 4 and 8 dandelion plants in four separate 1 m^2 quadrats. Calculate the mean number of dandelions per quadrat.
- 22nd June 1968State the two main steps used to produce potable water from a fresh water source.
- 23rd June 1968State the charge on a calcium ion (Group 2).
- 24th June 1968Why do companies prefer reactions with a high atom economy?
- 25th June 1968On 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 1968State what happens to the boiling point of hydrocarbons as their chain length increases.
- 27th June 1968Explain why the solvent level in the container must be below the pencil baseline.
- 28th June 1968In the specific heat capacity practical, why is the block insulated?
- 29th June 1968Describe the current-potential difference graph for a filament lamp.
- 30th June 1968State the difference between irradiation and contamination.