Daily Practice

GCSE Science

13th February 1993

5 questions · GCSE · 584 questions in this band

1
Inheritance, Variation and Evolution
State one difference between selective breeding and genetic engineering.
2
DNA, Genetics and Inheritance
In pea plants, purple flower colour (allele H) is dominant over white flower colour (allele h). State the phenotype of a plant with genotype Hh.
3
Variation, Evolution and Selection
Define speciation.
4
Ecology
Give one example of an abiotic factor that could affect where a plant species grows.
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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