Daily Practice

GCSE Science

4th November 1992

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
What is an enzyme?
3
The Circulatory System and Heart
State the function of the valves in the heart and in veins.
4
Plant Tissues, Transport and Transpiration
Where are most stomata found on a typical leaf, and why?
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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