Daily Practice · GCSE Science
January 2002 - GCSE Science 5-a-day
Every GCSE Science sheet published in January 2002, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in January 2002
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 2002Where is the DNA found in a bacterial cell?
- 2nd January 2002Name the substance in red blood cells that binds oxygen.
- 3rd January 2002A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 4th January 2002A person's blood glucose concentration is 4.8 mmol/dm^3 before breakfast and 7.2 mmol/dm^3 after breakfast. Calculate the increase in blood glucose concentration.
- 5th January 2002In a grassland food chain, the biomass of grass available is 8400 kg and the biomass transferred to the rabbits that eat it is 940 kg. Calculate the percentage efficiency of biomass transfer from grass to rabbits, to 3 significant figures.
- 6th January 2002Classify crude oil as finite or renewable, and justify your answer.
- 7th January 2002Give the charge on an ion formed by a group 2 element.
- 8th January 2002Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
- 9th January 2002State one factor that affects the size of the voltage produced by a chemical cell.
- 10th January 2002Propene (C3H6) reacts with steam in the presence of a catalyst. Name the catalyst, and name the type of compound formed.
- 11th January 2002Give two human activities that increase the amount of greenhouse gases in the atmosphere.
- 12th January 2002A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
- 13th January 2002Why is the live wire dangerous even when a device is switched off?
- 14th January 2002Describe the plum pudding model.
- 15th January 2002State two factors, other than depth, that affect the pressure at a given point in a liquid.
- 16th January 2002State the name of the rule used to find the direction of the force on a current-carrying wire in a magnetic field, and name the three quantities it relates.
- 17th January 2002Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
- 18th January 2002State two ways that bile aids the digestion of fats.
- 19th January 2002Define a communicable disease.
- 20th January 2002State what is meant by negative feedback.
- 21st January 2002Name the scientist who proposed the three-domain system of classification, and name the three domains.
- 22nd January 2002State the relative charge of a neutron.
- 23rd January 2002Explain why potassium is more reactive than sodium.
- 24th January 2002Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
- 25th January 2002A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
- 26th January 2002State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
- 27th January 2002A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
- 28th January 2002A device transfers 4500 J in 90 s. Calculate its power.
- 29th January 2002A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
- 30th January 2002Why does a bicycle pump get warm when used?
- 31st January 2002A car's velocity increases from 8 m/s to 20 m/s over 4 seconds. Calculate its acceleration.