Daily Practice

GCSE Science

30th June 1984

5 questions · GCSE · 584 questions in this band

1
Bioenergetics
A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
2
Photosynthesis
A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
3
Respiration, Exercise and Metabolism
Explain why breathing rate and breathing depth both increase during exercise.
4
Homeostasis and Response
Explain, in terms of blood vessels, how the skin helps to cool the body when it is too hot.
5
The Nervous System and Reflexes
Define a synapse.

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