Daily Practice - GCSE Science
12th October 1998
- 1Ecology
Give one example of a biotic factor that could affect a population of rabbits.
- 2Ecosystems, Adaptation and Feeding Relationships
Thermus aquaticus is a species of bacterium that lives in hot springs at temperatures that would kill most other organisms. State the name given to an organism that is adapted to survive in such extreme conditions.
- 3Biodiversity, Cycles and Human Impact
State one method used to try to maintain biodiversity.
- 4Chemistry Required Practicals and Data Analysis
Give the resolution of a burette that can be read to the nearest half of a small division.
- 5Atomic Structure and the Periodic Table
An atom has atomic number 9 and mass number 19. Calculate the number of neutrons.
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent GCSE Science sheets
Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1998, including the monthly compilation PDF.