Daily Practice · GCSE Science

Daily Practice - GCSE Science

26th March 1998

5 questions · GCSE · 584 questions in this band

1
Organisation
Name the organ system responsible for breaking food down into small, soluble molecules.
2
The Digestive System and Enzymes
Explain what happens to an enzyme above its optimum temperature.
3
The Circulatory System and Heart
Name the substance in red blood cells that binds oxygen.
4
Plant Tissues, Transport and Transpiration
Why does a potometer measure water uptake rather than transpiration directly?
5
Infection and Response
A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.

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