Daily Practice · GCSE Science
March 2011 - GCSE Science 5-a-day
Every GCSE Science sheet published in March 2011, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in March 2011
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 2011Why does active transport require energy?
- 2nd March 2011A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.
- 3rd March 2011State two things excess glucose can be converted into for storage in the human body.
- 4th March 2011Define homozygous.
- 5th March 2011Name one way to make a rate of reaction experiment more valid rather than simply more precise.
- 6th March 2011Define an isotope.
- 7th March 2011A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?
- 8th March 2011Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.
- 9th March 2011A tangent drawn to a volume-time graph at 15 seconds passes through the points (5 s, 6 cm3) and (25 s, 66 cm3). Calculate the rate of reaction at 15 seconds.
- 10th March 2011State the difference between a pure substance and a formulation.
- 11th March 2011Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
- 12th March 2011Name three renewable energy resources.
- 13th March 2011State the equation for density.
- 14th March 2011A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
- 15th March 2011State the difference between a transverse wave and a longitudinal wave.
- 16th March 2011Name the force that keeps the planets in orbit around the Sun.
- 17th March 2011Why is a stain such as iodine used when preparing a slide?
- 18th March 2011Give two adaptations of a red blood cell.
- 19th March 2011State three factors that can limit the rate of photosynthesis.
- 20th March 2011Explain why sweating cools the body down.
- 21st March 2011Explain why a pyramid of biomass is never wider at the top than at the bottom.
- 22nd March 2011Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
- 23rd March 2011Define a covalent bond.
- 24th March 2011Explain why aluminium cannot be extracted from aluminium oxide by heating with carbon.
- 25th March 2011State the difference between a rechargeable cell and a non-rechargeable cell.
- 26th March 2011Name the catalyst used when an alkene reacts with hydrogen to form an alkane.
- 27th March 2011Name three greenhouse gases.
- 28th March 2011A kettle transfers 360000 J of energy in 150 s. Calculate its power in watts.
- 29th March 2011Calculate the current drawn by a 1150 W kettle on a 230 V supply.
- 30th March 2011State the approximate radius of a nucleus compared with the radius of an atom.
- 31st March 2011A force of 40 N is applied 0.25 m from a pivot. Calculate the moment.