Daily Practice · GCSE Science
October 1974 5-a-day
Every sheet in October 1974
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 1974Describe the positive result of the Biuret test.
- 2nd October 1974What is tested during preclinical testing?
- 3rd October 1974Put these into the correct order for a reflex arc: motor neuron, receptor, effector, relay neuron, sensory neuron.
- 4th October 1974State one structural adaptation of a polar bear that helps it survive in a cold environment.
- 5th October 1974Define a finite resource, giving one example.
- 6th October 1974State one reason why simple covalent substances such as chlorine have low melting points.
- 7th October 1974Why do companies prefer reactions with a high atom economy?
- 8th October 1974On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
- 9th October 1974Name the process used to separate crude oil into fractions.
- 10th October 1974Explain why the solvent level in the container must be below the pencil baseline.
- 11th October 1974In the specific heat capacity practical, why is the block insulated?
- 12th October 1974Describe the current-potential difference graph for a filament lamp.
- 13th October 1974State the difference between irradiation and contamination.
- 14th October 1974State Newton's First Law of Motion.
- 15th October 1974Two bar magnets are placed with their north poles facing each other. State what happens to the magnets.
- 16th October 1974State what is meant by red-shift.
- 17th October 1974Name the process that moves substances against a concentration gradient.
- 18th October 1974A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.
- 19th October 1974Explain why breathing rate and breathing depth both increase during exercise.
- 20th October 1974In pea plants, purple flower colour (allele H) is dominant over white flower colour (allele h). State the phenotype of a plant with genotype Hh.
- 21st October 1974Why is the burette rinsed with the solution it is going to contain rather than with water?
- 22nd October 1974State the relative mass and relative charge of a neutron.
- 23rd October 1974Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
- 24th October 1974State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.
- 25th October 1974Explain how a catalyst increases the rate of a reaction without being used up.
- 26th October 1974Which reagent is added, and in what colour change, to test for chlorine gas?
- 27th October 1974Explain how solid carbon particulates released by combustion can cause global dimming.
- 28th October 1974A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 29th October 1974Define specific latent heat of fusion.
- 30th October 1974A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
- 31st October 1974Give one everyday example of a transverse wave and one everyday example of a longitudinal wave.