Daily Practice
GCSE Science
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9th March 1991
- 1Infection and Response
Explain why a small number of healthy volunteers are given a very low dose of a new drug in the first stage of a clinical trial.
- 2Communicable Diseases and Pathogens
Describe the symptoms of rose black spot and its effect on the plant.
- 3Human Defences, Vaccination and Drug Development
Explain what is meant by a double blind trial.
- 4Bioenergetics
Name the organelle in a plant cell where photosynthesis takes place.
- 5Photosynthesis
Why is photosynthesis described as endothermic?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1991, including the monthly compilation PDF.