Daily Practice

GCSE Science

29th June 1992

5 questions · GCSE · 584 questions in this band

1
Ecology
Explain why deforestation to create land for cattle grazing can reduce biodiversity.
2
Ecosystems, 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.
3
Biodiversity, Cycles and Human Impact
State one method used to try to maintain biodiversity.
4
Chemistry Required Practicals and Data Analysis
Give the resolution of a burette that can be read to the nearest half of a small division.
5
Atomic Structure and the Periodic Table
A sample contains 90% of an isotope with mass number 10 and 10% of an isotope with mass number 11. Calculate the relative atomic mass, to 1 decimal place.

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