Daily Practice · GCSE Science

Daily Practice - GCSE Science

14th March 1994

5 questions · GCSE · 584 questions in this band

1
Variation, Evolution and Selection
Define speciation.
2
Ecology
Give one example of an abiotic factor that could affect where a plant species grows.
3
Ecosystems, Adaptation and Feeding Relationships
A student places ten 1 m x 1 m quadrats at random across a school field of area 3000 m2 and counts a total of 45 dandelions across all ten quadrats. Estimate the total number of dandelions on the field.
4
Biodiversity, Cycles and Human Impact
A peat bog covered an area of 850 hectares in 2015. By 2025, drainage for farmland had reduced the peat bog to 680 hectares. Calculate the percentage decrease in the area of the peat bog.
5
Chemistry Required Practicals and Data Analysis
Name one way to make a rate of reaction experiment more valid rather than simply more precise.

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