Daily Practice · GCSE Science

Daily Practice - GCSE Science

1st December 1997

5 questions · GCSE · 584 questions in this band

1
Transport in and out of Cells
Explain why a plant cell placed in pure water does not burst.
2
Organisation
An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
3
The Digestive System and Enzymes
Explain what happens to an enzyme above its optimum temperature.
4
The Circulatory System and Heart
Name the substance in red blood cells that binds oxygen.
5
Plant Tissues, Transport and Transpiration
Why does a potometer measure water uptake rather than transpiration directly?

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