Daily Practice

GCSE Science

2nd August 1988

5 questions · GCSE · 584 questions in this band

1
Variation, Evolution and Selection
Explain one reason it took many years for Darwin's theory of evolution by natural selection to become widely accepted.
2
Ecology
A student counts 3, 5, 4 and 8 dandelion plants in four separate 1 m^2 quadrats. Calculate the mean number of dandelions per quadrat.
3
Ecosystems, Adaptation and Feeding Relationships
Explain why a pyramid of biomass is never wider at the top than at the bottom.
4
Biodiversity, Cycles and Human Impact
Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
5
Chemistry Required Practicals and Data Analysis
A gas syringe collects 48 cubic centimetres of gas in 40 seconds. Calculate the mean rate.

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