Daily Practice · GCSE Science
July 1965 5-a-day
Every sheet in July 1965
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st July 1965How many pairs of chromosomes are there in a human body cell?
- 2nd July 1965Where are most stomata found on a typical leaf, and why?
- 3rd July 1965Name four limiting factors of photosynthesis.
- 4th July 1965Define phenotype.
- 5th July 1965State what is meant by the term biodiversity.
- 6th July 1965Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
- 7th July 1965Give one use of nanoparticles and one associated risk.
- 8th July 1965Give the ionic equation for neutralisation.
- 9th July 1965State what is shown on a rate graph when the line for the volume of gas produced becomes horizontal (flat).
- 10th July 1965Name the type of biological molecule formed when amino acid monomers join together by condensation polymerisation.
- 11th July 1965Describe, in terms of wavelength, the difference between the radiation the Earth receives from the Sun and the radiation it re-emits from its surface.
- 12th July 1965State the equation for gravitational potential energy.
- 13th July 1965State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
- 14th July 1965Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
- 15th July 1965A 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.
- 16th July 1965Explain why electricity is transmitted through the National Grid at a very high voltage rather than at the voltage used in homes.
- 17th July 1965A microscope has a x10 eyepiece lens and a x20 objective lens. Calculate the total magnification.
- 18th July 1965Explain what happens to an enzyme above its optimum temperature.
- 19th July 1965Name three non-specific defences of the human body.
- 20th July 1965Name the chemical released at a synapse that carries the signal across the gap.
- 21st July 1965Explain why deforestation to create land for cattle grazing can reduce biodiversity.
- 22nd July 1965Explain why potable water is not the same as pure water.
- 23rd July 1965Explain why sodium chloride conducts electricity when molten but not when solid.
- 24th July 1965Convert a concentration of 0.20 moles per cubic decimetre of NaOH into grams per cubic decimetre. (Mr = 40)
- 25th July 1965State the energy transfer that occurs during an exothermic reaction.
- 26th July 1965State two products, other than water, that can be formed during the incomplete combustion of a hydrocarbon.
- 27th July 1965In a chromatography experiment, a dye spot travels 4.5 cm and the solvent front travels 6.0 cm. Calculate its Rf value.
- 28th July 1965Define the resolution of a measuring instrument.
- 29th July 1965Two 4 ohm resistors are connected in series. Calculate the total resistance.
- 30th July 1965Which type of radiation is stopped by a sheet of paper?
- 31st July 1965Explain why a larger vehicle mass increases braking distance.