Daily Practice · GCSE Science
April 2015 - GCSE Science 5-a-day
Every GCSE Science sheet published in April 2015, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in April 2015
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 2015State the function of the mitochondria.
- 2nd April 2015Which component of blood transports carbon dioxide, urea and hormones?
- 3rd April 2015State three factors that can limit the rate of photosynthesis.
- 4th April 2015State the type of diabetes in which the pancreas produces little or no insulin.
- 5th April 2015A student places ten 1 m x 1 m quadrats at random across a school field of area 3000 m2 and counts a total of 45 dandelions across all ten quadrats. Estimate the total number of dandelions on the field.
- 6th April 2015Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
- 7th April 2015Why can metals conduct electricity when solid?
- 8th April 2015Explain why aluminium cannot be extracted from aluminium oxide by heating with carbon.
- 9th April 2015State whether forming a new chemical bond requires energy or releases energy.
- 10th April 2015Describe the colour change seen when an alkene is shaken with bromine water.
- 11th April 2015Name three greenhouse gases.
- 12th April 2015A kettle transfers 360000 J of energy in 150 s. Calculate its power in watts.
- 13th April 2015What is the difference between alternating and direct current?
- 14th April 2015What observation showed that the atom is mostly empty space?
- 15th April 2015State the name of the upward force acting on an object placed in a fluid.
- 16th April 2015A current-carrying wire experiences a force of 1.2 N when placed at right angles to a magnetic field of flux density 0.40 T, carrying a current of 6.0 A. Calculate the length of wire in the field.
- 17th April 2015In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
- 18th April 2015Name the plant tissue that transports water and dissolved minerals from the roots to the leaves.
- 19th April 2015Why can HIV not be treated with antibiotics?
- 20th April 2015State one difference between nervous and hormonal coordination.
- 21st April 2015State what is meant by a selection pressure.
- 22nd April 2015Explain, in terms of electrons, why reactivity decreases going down Group 7.
- 23rd April 2015State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 24th April 2015Define the limiting reactant.
- 25th April 2015Explain, in terms of bonds, why breaking bonds is an endothermic process.
- 26th April 2015State Le Chatelier's principle in your own words.
- 27th April 2015Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 28th April 2015Why should you write down the equation even if you cannot finish the calculation?
- 29th April 2015In a series circuit, the current through one lamp is 0.30 A. State the current through a second lamp in the same circuit.
- 30th April 2015What causes the pressure of a gas on the walls of its container?