Daily Practice · GCSE Science

Daily Practice - GCSE Science

11th September 1997

5 questions · GCSE · 584 questions in this band

1
Infection and Response
A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.
2
Communicable Diseases and Pathogens
Why can HIV not be treated with antibiotics?
3
Human Defences, Vaccination and Drug Development
What is tested during preclinical testing?
4
Bioenergetics
A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
5
Photosynthesis
A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?

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