Daily Practice · GCSE Science
April 1975 5-a-day
Every sheet in April 1975
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 1975State two things excess glucose can be converted into for storage in the human body.
- 2nd April 1975Define homozygous.
- 3rd April 1975What does 'concordant' mean when applied to titres?
- 4th April 1975What did the alpha scattering experiment show that the plum pudding model could not explain?
- 5th April 1975Magnesium is burned in an open crucible and the mass increases. Explain why.
- 6th April 1975Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.
- 7th April 1975A 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.
- 8th April 1975Describe the result of the test for carbon dioxide.
- 9th April 1975Give one piece of evidence used to link human activity to recent climate change.
- 10th April 1975Give one advantage and one disadvantage of wind power.
- 11th April 1975Why does the temperature stay constant while a substance boils?
- 12th April 1975A gardener pushes a mower with a force of 60 N through a distance of 8.0 m. Calculate the work done. Use W = F x s.
- 13th April 1975State the difference between a transverse wave and a longitudinal wave.
- 14th April 1975Name the force that keeps the planets in orbit around the Sun.
- 15th April 1975Where is the DNA found in a bacterial cell?
- 16th April 1975Name the substance in red blood cells that binds oxygen.
- 17th April 1975Name the organelle in a plant cell where photosynthesis takes place.
- 18th April 1975Explain why sweating cools the body down.
- 19th April 1975In 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.
- 20th April 1975Name one method used to sterilise fresh water during the production of potable water.
- 21st April 1975Give the charge on an ion formed by a group 2 element.
- 22nd April 1975Write the word equation for the reaction between zinc and hydrochloric acid.
- 23rd April 1975State one factor that affects the size of the voltage produced by a chemical cell.
- 24th April 1975Name the catalyst used when an alkene reacts with hydrogen to form an alkane.
- 25th April 1975State the approximate percentage of nitrogen in today's atmosphere.
- 26th April 1975A spring is compressed. Which energy store increases?
- 27th April 1975Why is the live wire dangerous even when a device is switched off?
- 28th April 1975Describe the plum pudding model.
- 29th April 1975A force of 40 N is applied 0.25 m from a pivot. Calculate the moment.
- 30th April 1975A rectangular coil carrying a current is placed in a magnetic field, with its two long sides parallel to each other. Explain why the coil rotates rather than moving in a straight line.