Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
29th April 2020
- 1Human Defences, Vaccination and Drug Development
What is tested during preclinical testing?
- 2Bioenergetics
A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 3Photosynthesis
A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
- 4Respiration, Exercise and Metabolism
Explain, in terms of respiration, why a build-up of lactic acid causes muscle fatigue during vigorous exercise.
- 5Homeostasis and Response
State one difference between nervous and hormonal coordination.
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