Daily Practice

GCSE Science

20th July 1991

5 questions · GCSE · 584 questions in this band

1
Inheritance, Variation and Evolution
Explain, using the idea of natural selection, why a population of insects can become resistant to a pesticide over time.
2
DNA, Genetics and Inheritance
State one ethical concern raised by embryo screening.
3
Variation, Evolution and Selection
State one advantage and one disadvantage of selective breeding in farm animals.
4
Ecology
Name the equipment used to measure the abundance of a small plant species within a sample area.
5
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.

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