Daily Practice · GCSE Science
February 1972 5-a-day
Every sheet in February 1972
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 1972What happens to the total resistance when a second resistor is added in parallel, and why?
- 2nd February 1972What happens inside the nucleus when a beta particle is emitted?
- 3rd February 1972A skateboarder of mass 55 kg moving at 4 m/s collides with and grabs onto a stationary shopping trolley of mass 20 kg, and they move off together. Calculate their combined velocity immediately after the collision.
- 4th February 1972Describe the shape of the magnetic field produced around a long straight wire carrying a current.
- 5th February 1972State how the amount of red-shift is related to a galaxy's distance from Earth.
- 6th February 1972State three factors that increase the rate of diffusion.
- 7th February 1972A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.
- 8th February 1972State the word equation for anaerobic respiration in human muscle cells.
- 9th February 1972State whether cystic fibrosis is caused by a dominant or a recessive allele.
- 10th February 1972What does 'concordant' mean when applied to titres?
- 11th February 1972What did the alpha scattering experiment show that the plum pudding model could not explain?
- 12th February 1972Magnesium is burned in an open crucible and the mass increases. Explain why.
- 13th February 1972Aqueous copper sulfate solution is electrolysed using inert graphite electrodes. State the products formed at (a) the cathode and (b) the anode, giving a reason for each.
- 14th February 1972In the disappearing cross required practical, state the dependent variable that is measured.
- 15th February 1972Describe the result of the test for carbon dioxide.
- 16th February 1972Give one piece of evidence used to link human activity to recent climate change.
- 17th February 1972Give one advantage and one disadvantage of wind power.
- 18th February 1972Why does the temperature stay constant while a substance boils?
- 19th February 1972A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
- 20th February 1972A water wave has a wavelength of 0.4 m and a frequency of 2.5 Hz. Calculate its speed.
- 21st February 1972Explain how elements heavier than iron, such as gold, are created and distributed through the universe.
- 22nd February 1972Where is the DNA found in a bacterial cell?
- 23rd February 1972Name the substance in red blood cells that binds oxygen.
- 24th February 1972State three factors that can limit the rate of photosynthesis.
- 25th February 1972State the type of diabetes in which the pancreas produces little or no insulin.
- 26th February 1972In 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.
- 27th February 1972Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
- 28th February 1972Give the charge on an ion formed by a group 2 element.
- 29th February 1972Explain why aluminium cannot be extracted from aluminium oxide by heating with carbon.