Daily Practice - 13+ Common Entrance
Common Entrance english, maths and science.
15th March 2025
- 1Biology: Cells, Microscopy and Genetics
State whether human eye colour is an example of inherited variation, environmental variation, or both.
- 2Biology: Respiration, Digestion and Gas Exchange
Name the substance that builds up in muscles during anaerobic respiration and causes fatigue.
- 3Chemistry: Materials
A pupil finds the volume of an irregular stone using a measuring cylinder. The water level rises from 35 cm^3 to 52 cm^3 when the stone is added. The stone has a mass of 42.5 g. Calculate the density of the stone, giving your answer to 2 significant figures.
- 4Chemistry: Acids, Reactions and the Periodic Table
Name the salt produced when zinc reacts with sulfuric acid.
- 5Chemistry: The Periodic Table and Separating Mixtures
In a chromatography experiment, the solvent front travels 10 cm and a dye spot travels 4 cm. Calculate the Rf value of the dye.
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