Daily Practice · GCSE Science
April 1985 5-a-day
Every sheet in April 1985
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 1985Name the type of electromagnetic wave used to treat cancer by killing cells in a tumour, and state which part of the atom emits it.
- 2nd April 1985State one difference between a moon and an artificial satellite.
- 3rd April 1985State three functions of mitosis.
- 4th April 1985What happens to guard cells when a plant is short of water?
- 5th April 1985Write the word equation for photosynthesis.
- 6th April 1985Define phenotype.
- 7th April 1985State one method used to try to maintain biodiversity.
- 8th April 1985Explain, using the reactivity series, why attaching blocks of zinc to the hull of a steel ship helps prevent the steel from rusting.
- 9th April 1985Why is graphite soft and slippery?
- 10th April 1985Explain the difference between a strong acid and a concentrated acid.
- 11th April 1985A reaction between calcium carbonate and hydrochloric acid produces 72 cm3 of carbon dioxide gas in 30 seconds. Calculate the mean rate of reaction.
- 12th April 1985Name the type of biological molecule formed when amino acid monomers join together by condensation polymerisation.
- 13th April 1985State two long-term stores of carbon that removed carbon dioxide from the early atmosphere.
- 14th April 1985Name four energy stores.
- 15th April 1985Calculate the energy needed to melt 0.50 kg of a substance with a specific latent heat of fusion of 210000 J/kg.
- 16th April 1985State one source of natural background radiation and one source of artificial (man-made) background radiation.
- 17th April 1985A radio wave has a wavelength of 3 m. Calculate its frequency, given that all electromagnetic waves travel at 3 x 10^8 m/s in a vacuum.
- 18th April 1985Explain why electricity is transmitted through the National Grid at a very high voltage rather than at the voltage used in homes.
- 19th April 1985Name the structure in a plant cell that controls the substances entering and leaving the cell.
- 20th April 1985What is an enzyme?
- 21st April 1985Describe phagocytosis.
- 22nd April 1985Name the chemical released at a synapse that carries the signal across the gap.
- 23rd April 1985Explain why deforestation to create land for cattle grazing can reduce biodiversity.
- 24th April 1985Name two methods of desalinating seawater.
- 25th April 1985Name the giant covalent structure made of carbon in which each carbon atom is bonded to four others.
- 26th April 1985Give the formula for percentage yield.
- 27th April 1985A student reacts excess zinc powder with 25 cm3 of copper sulfate solution in a polystyrene cup. The starting temperature is 21.0 degrees C and the maximum temperature reached is 58.5 degrees C. Calculate the temperature change.
- 28th April 1985State two products, other than water, that can be formed during the incomplete combustion of a hydrocarbon.
- 29th April 1985State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
- 30th April 1985Distinguish repeatability from reproducibility.