Daily Practice · GCSE Science
December 1956 5-a-day
Every sheet in December 1956
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st December 1956State two ways of increasing the force produced by a motor effect setup, for a wire of fixed length at a fixed angle to the field.
- 2nd December 1956Why must the same volume of solution be used in every tube in an enzyme investigation?
- 3rd December 1956State the type of large biological molecule that all enzymes are made from.
- 4th December 1956Describe the symptoms of rose black spot and its effect on the plant.
- 5th December 1956Name the hormone released when blood glucose concentration is too high, and state its overall effect.
- 6th December 1956Define mutation.
- 7th December 1956A sample contains 90% of an isotope with mass number 10 and 10% of an isotope with mass number 11. Calculate the relative atomic mass, to 1 decimal place.
- 8th December 1956Why did Mendeleev leave gaps in his table?
- 9th December 1956Calculate the mass of 0.25 mol of sodium hydroxide, NaOH. (Na = 23, O = 16, H = 1)
- 10th December 1956Using the values in the previous question, calculate the overall energy change for the reaction.
- 11th December 1956The forward reaction of a particular reversible reaction is exothermic. State whether the reverse reaction is exothermic or endothermic.
- 12th December 1956State the flame test colour for sodium ions.
- 13th December 1956Calculate the gravitational potential energy gained by a 60 kg person climbing 5 m. (g = 9.8 N/kg)
- 14th December 1956A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.
- 15th December 1956A gas at 200 kPa occupies 3.0 cubic metres. It is compressed to 1.5 cubic metres at constant temperature. Calculate the new pressure.
- 16th December 1956State what the gradient of a distance-time graph represents.
- 17th December 1956Explain why ultraviolet, X-rays and gamma rays can be hazardous to human health, but radio waves are not.
- 18th December 1956Explain, in terms of forces, why a satellite in a stable orbit does not fall towards the Earth or fly off into space.
- 19th December 1956State three functions of mitosis.
- 20th December 1956What happens to guard cells when a plant is short of water?
- 21st December 1956Write the word equation for photosynthesis.
- 22nd December 1956In pea plants, the allele for tall stems (T) is dominant over the allele for short stems (t). A homozygous tall plant (TT) is crossed with a homozygous short plant (tt). State the genotype and phenotype of all the offspring.
- 23rd December 1956State one method used to try to maintain biodiversity.
- 24th December 1956Explain, using the reactivity series, why attaching blocks of zinc to the hull of a steel ship helps prevent the steel from rusting.
- 25th December 1956Why is graphite soft and slippery?
- 26th December 1956Explain the difference between a strong acid and a concentrated acid.
- 27th December 1956A reaction between calcium carbonate and hydrochloric acid produces 72 cm3 of carbon dioxide gas in 30 seconds. Calculate the mean rate of reaction.
- 28th December 1956State what happens to the carbon-to-carbon double bond of an alkene monomer during addition polymerisation.
- 29th December 1956State two long-term stores of carbon that removed carbon dioxide from the early atmosphere.
- 30th December 1956Name four energy stores.
- 31st December 1956Calculate the energy needed to melt 0.50 kg of a substance with a specific latent heat of fusion of 210000 J/kg.