Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
14th February 2026
- 1Inheritance, Variation and Evolution
A plant grown in the shade is shorter than a genetically identical plant of the same species grown in full sunlight. State whether this difference is genetic variation, environmental variation, or both.
- 2DNA, Genetics and Inheritance
A man who is a known carrier of cystic fibrosis (Ff) has children with a woman who has been confirmed to carry no cystic fibrosis allele at all (FF). Explain why none of their children can have cystic fibrosis.
- 3Variation, Evolution and Selection
Name the scientist who proposed the three-domain system of classification, and name the three domains.
- 4Ecology
State one structural adaptation of a polar bear that helps it survive in a cold environment.
- 5Ecosystems, 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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