Daily Practice

GCSE Science

15th December 1972

5 questions · GCSE · 584 questions in this band

1
Human Defences, Vaccination and Drug Development
Explain what is meant by a double blind trial.
2
Bioenergetics
State three factors that can limit the rate of photosynthesis.
3
Photosynthesis
Why is photosynthesis described as endothermic?
4
Respiration, Exercise and Metabolism
A yeast culture respires without oxygen. Name the two products of this reaction, and name one industrial process that relies on it.
5
Homeostasis and Response
State what is meant by negative feedback.

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