Daily Practice

GCSE Science

31st December 1991

5 questions · GCSE · 584 questions in this band

1
Inheritance, Variation and Evolution
A plant grown in the shade is shorter than a genetically identical plant of the same species grown in full sunlight. State whether this difference is genetic variation, environmental variation, or both.
2
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.
3
Variation, Evolution and Selection
Name the scientist who proposed the three-domain system of classification, and name the three domains.
4
Ecology
State one structural adaptation of a polar bear that helps it survive in a cold environment.
5
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.

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