Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
18th February 2025
- 1Hormonal Coordination and Homeostasis
Explain why type 1 diabetes is treated with insulin injections rather than tablets.
- 2Inheritance, Variation and Evolution
Define phenotype.
- 3DNA, Genetics and Inheritance
State how many chromosomes are found in a normal human body cell, and how they are arranged.
- 4Variation, Evolution and Selection
Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
- 5Ecology
Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
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