Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
- 1Respiration, Exercise and Metabolism
State the word equation for aerobic respiration.
- 2Homeostasis and Response
Name the three parts common to every homeostatic control system.
- 3The Nervous System and Reflexes
A ruler is released and falls 20 cm before being caught. Using distance = 0.5 x g x time^2 with g = 9.8 m/s^2, calculate the reaction time, to 3 significant figures.
- 4Hormonal Coordination and Homeostasis
State the type of diabetes in which the pancreas produces little or no insulin.
- 5Inheritance, Variation and Evolution
Explain, using the idea of natural selection, why a population of insects can become resistant to a pesticide over time.
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