Daily Practice · GCSE Science
December 1971 5-a-day
Every sheet in December 1971
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st December 1971State the eventual fate of a star with a much greater mass than the Sun, after it explodes as a supernova.
- 2nd December 1971Why is a stain such as iodine used when preparing a slide?
- 3rd December 1971Give two adaptations of a red blood cell.
- 4th December 1971Name the gas that is released as a product of photosynthesis.
- 5th December 1971Name the gland often called the body's master gland.
- 6th December 1971Explain why a pyramid of biomass is never wider at the top than at the bottom.
- 7th December 1971Explain why potable water is not required to be chemically pure.
- 8th December 1971Define a covalent bond.
- 9th December 1971State the name given to a reaction in which a substance loses electrons.
- 10th December 1971State the difference between a rechargeable cell and a non-rechargeable cell.
- 11th December 1971State the number of covalent bonds a carbon atom forms in a saturated hydrocarbon.
- 12th December 1971Give two processes that removed carbon dioxide from the early atmosphere.
- 13th December 1971Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
- 14th December 1971Calculate the current drawn by a 1150 W kettle on a 230 V supply.
- 15th December 1971State the approximate radius of a nucleus compared with the radius of an atom.
- 16th December 1971State the equation that links pressure, force and area.
- 17th December 1971In a simple d.c. electric motor, state the name and function of the component that reverses the current in the coil every half turn.
- 18th December 1971State the difference between resolution and accuracy.
- 19th December 1971Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
- 20th December 1971How do bacteria make a person feel ill?
- 21st December 1971Name the gland that monitors and controls blood glucose concentration.
- 22nd December 1971Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
- 23rd December 1971Write the electronic structure of an atom with 12 electrons.
- 24th December 1971On what property are elements ordered in the modern periodic table?
- 25th December 1971In the equation 2H2 + O2 gives 2H2O, how many moles of water are formed from 3 mol of hydrogen?
- 26th December 1971A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 27th December 1971State the two named reactants used in the Haber process.
- 28th December 1971Why must dilute nitric acid be added before silver nitrate solution when testing for a halide ion?
- 29th December 1971State the equation for work done.
- 30th December 1971State the UK mains supply frequency and typical potential difference.
- 31st December 1971State the relationship between pressure and volume for a fixed mass of gas at constant temperature.