Daily Practice
GCSE Science
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13th February 1989
- 1Human Defences, Vaccination and Drug Development
Name three non-specific defences of the human body.
- 2Bioenergetics
State three factors that can limit the rate of photosynthesis.
- 3Photosynthesis
Why does the rate of photosynthesis fall at very high temperatures?
- 4Respiration, 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.
- 5Homeostasis and Response
State what is meant by negative feedback.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1989, including the monthly compilation PDF.