Daily Practice

GCSE Science

4th November 1989

5 questions · GCSE · 584 questions in this band

1
DNA, Genetics and Inheritance
A man who is a known carrier of cystic fibrosis (Ff) has children with a woman who has been confirmed to carry no cystic fibrosis allele at all (FF). Explain why none of their children can have cystic fibrosis.
2
Variation, Evolution and Selection
Name the scientist who proposed the three-domain system of classification, and name the three domains.
3
Ecology
State one structural adaptation of a polar bear that helps it survive in a cold environment.
4
Ecosystems, Adaptation and Feeding Relationships
Explain why a pyramid of biomass is never wider at the top than at the bottom.
5
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.

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