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GCSE Science
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22nd September 1991
- 1Communicable Diseases and Pathogens
Why can HIV not be treated with antibiotics?
- 2Human Defences, Vaccination and Drug Development
What is tested during preclinical testing?
- 3Bioenergetics
Name the organelle in a plant cell where photosynthesis takes place.
- 4Photosynthesis
A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
- 5Respiration, Exercise and Metabolism
A student counts 19 pulse beats in 10 seconds immediately after running. Calculate her heart rate in beats per minute.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1991, including the monthly compilation PDF.