Daily Practice

GCSE Science

20th September 1988

5 questions · GCSE · 584 questions in this band

1
DNA, Genetics and Inheritance
A man has genotype XY. State his sex, and state which sex chromosomes are found in the sperm cells he produces.
2
Variation, Evolution and Selection
State what is meant by a selection pressure.
3
Ecology
Give one example of a biotic factor that could affect a population of rabbits.
4
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.
5
Biodiversity, Cycles and Human Impact
State one method used to try to maintain biodiversity.

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