Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
3rd December 2023
- 1The Nervous System and Reflexes
State the type of effector that produces a physical response by contracting.
- 2Hormonal Coordination and Homeostasis
A person's blood glucose concentration is 4.8 mmol/dm^3 before breakfast and 7.2 mmol/dm^3 after breakfast. Calculate the increase in blood glucose concentration.
- 3Inheritance, Variation and Evolution
Name the three-domain system of classification, and name the scientist most associated with proposing it.
- 4DNA, Genetics and Inheritance
A man has genotype XY. State his sex, and state which sex chromosomes are found in the sperm cells he produces.
- 5Variation, Evolution and Selection
State what is meant by a selection pressure.
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