Daily Practice · GCSE Science
February 1969 5-a-day
Every sheet in February 1969
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 1969State one difference between a moon and an artificial satellite.
- 2nd February 1969What happens to the DNA before mitosis begins?
- 3rd February 1969State two conditions that increase the rate of transpiration.
- 4th February 1969A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
- 5th February 1969Define phenotype.
- 6th February 1969Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
- 7th February 1969State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.
- 8th February 1969Explain why graphite conducts electricity but diamond does not.
- 9th February 1969State what is observed when magnesium ribbon is added to copper sulfate solution.
- 10th February 1969State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 11th February 1969Name the type of biological molecule formed when amino acid monomers join together by condensation polymerisation.
- 12th February 1969State two long-term stores of carbon that removed carbon dioxide from the early atmosphere.
- 13th February 1969Calculate the kinetic energy of a 0.5 kg ball moving at 6 m/s.
- 14th February 1969Calculate the energy needed to melt 0.50 kg of a substance with a specific latent heat of fusion of 210000 J/kg.
- 15th February 1969Explain why americium-241, an alpha emitter, is suitable for use in a smoke detector.
- 16th February 1969A 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.
- 17th February 1969Explain why electricity is transmitted through the National Grid at a very high voltage rather than at the voltage used in homes.
- 18th February 1969Name the structure in a plant cell that controls the substances entering and leaving the cell.
- 19th February 1969Where is bile made and where is it stored?
- 20th February 1969Why does a vaccinated person not usually become ill when they meet the pathogen?
- 21st February 1969Name the chemical released at a synapse that carries the signal across the gap.
- 22nd February 1969Explain why deforestation to create land for cattle grazing can reduce biodiversity.
- 23rd February 1969Name two methods of desalinating seawater.
- 24th February 1969Name the giant covalent structure made of carbon in which each carbon atom is bonded to four others.
- 25th February 1969Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
- 26th February 1969State the energy transfer that occurs during an endothermic reaction.
- 27th February 1969State two products, other than water, that can be formed during the incomplete combustion of a hydrocarbon.
- 28th February 1969A sample produces only one spot when run in three different solvents. What does this suggest about the sample?