Daily Practice · GCSE Science
February 1988 5-a-day
Every sheet in February 1988
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 1988Name the blood vessel that carries deoxygenated blood from the heart to the lungs.
- 2nd February 1988Name the gas that is released as a product of photosynthesis.
- 3rd February 1988Name the gland often called the body's master gland.
- 4th February 1988Thermus aquaticus is a species of bacterium that lives in hot springs at temperatures that would kill most other organisms. State the name given to an organism that is adapted to survive in such extreme conditions.
- 5th February 1988Explain why potable water is not required to be chemically pure.
- 6th February 1988Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
- 7th February 1988State the name given to a reaction in which a substance loses electrons.
- 8th February 1988State the only substance produced when a hydrogen fuel cell reacts pure hydrogen with pure oxygen.
- 9th February 1988State the number of covalent bonds a carbon atom forms in a saturated hydrocarbon.
- 10th February 1988Give two processes that removed carbon dioxide from the early atmosphere.
- 11th February 1988Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
- 12th February 1988Give the colour and function of the earth wire.
- 13th February 1988What observation showed the nucleus is positively charged and very small?
- 14th February 1988State the equation that links pressure, force and area.
- 15th February 1988In a simple d.c. electric motor, state the name and function of the component that reverses the current in the coil every half turn.
- 16th February 1988A student measures 24 cubic centimetres of gas in 3 minutes. Calculate the rate.
- 17th February 1988Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
- 18th February 1988Give one way of reducing the spread of malaria.
- 19th February 1988Name the gland that monitors and controls blood glucose concentration.
- 20th February 1988Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
- 21st February 1988Write the electronic structure of an atom with 12 electrons.
- 22nd February 1988Why do elements in the same group have similar chemical properties?
- 23rd February 1988Why is the amount of product directly proportional to the amount of limiting reactant?
- 24th February 1988A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 25th February 1988State the two named reactants used in the Haber process.
- 26th February 1988A solution forms a green precipitate with sodium hydroxide solution. Which ion is present?
- 27th February 1988Give the equation for wave speed and its units.
- 28th February 1988State the UK mains supply frequency and typical potential difference.
- 29th February 1988Why does reducing the volume of a gas increase the pressure even though the molecules do not speed up?