Daily Practice

GCSE Science

9th March 1984

5 questions · GCSE · 584 questions in this band

1
Ecology
Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
2
Ecosystems, Adaptation and Feeding Relationships
Explain why a pyramid of biomass is never wider at the top than at the bottom.
3
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.
4
Chemistry Required Practicals and Data Analysis
A gas syringe collects 48 cubic centimetres of gas in 40 seconds. Calculate the mean rate.
5
Atomic Structure and the Periodic Table
An atom has atomic number 11 and mass number 23. State the number of protons.

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