Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
24th July 2023
- 1Bioenergetics
A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 2Photosynthesis
Why is photosynthesis described as endothermic?
- 3Respiration, Exercise and Metabolism
Explain, in terms of respiration, why a build-up of lactic acid causes muscle fatigue during vigorous exercise.
- 4Homeostasis and Response
State one difference between nervous and hormonal coordination.
- 5The Nervous System and Reflexes
State the type of effector that produces a physical response by contracting.
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